Generate PYQ’s of neet pg/inicet Smart flash cards Pyq’s as mindmap From 2021 neet pg to 2025 neet pg
NEET PG 2021 2022 2023 2024 2025 PYQ previous year questions all subjects
INI-CET 2021 2022 2023 2024 2025 previous year questions MCQ all subjects
mkdir -p /home/daytona/workspace/neet-pg-pyq && ls /home/daytona/workspace/neet-pg-pyq/
~/neet-pg-pyq/generate_pdf.py
#!/usr/bin/env python3
"""
NEET PG / INI-CET PYQ Smart Study PDF
Sections: PYQs (2021-2025) | Smart Flashcards | Mind Maps
"""
from reportlab.lib.pagesizes import A4
from reportlab.lib import colors
from reportlab.lib.styles import getSampleStyleSheet, ParagraphStyle
from reportlab.lib.units import cm, mm
from reportlab.platypus import (SimpleDocTemplate, Paragraph, Spacer, Table,
TableStyle, PageBreak, HRFlowable, KeepTogether)
from reportlab.lib.enums import TA_CENTER, TA_LEFT, TA_JUSTIFY
from reportlab.platypus.flowables import Flowable
from reportlab.graphics.shapes import Drawing, Rect, String, Line, Circle, Polygon
from reportlab.graphics import renderPDF
from reportlab.pdfgen import canvas as pdfcanvas
import math
OUTPUT = "/home/daytona/workspace/neet-pg-pyq/NEET_PG_PYQ_2021_2025.pdf"
# ── Color palette ──────────────────────────────────────────────────────────────
NAVY = colors.HexColor("#1A237E")
TEAL = colors.HexColor("#00897B")
ORANGE = colors.HexColor("#F4511E")
PURPLE = colors.HexColor("#6A1B9A")
GREEN = colors.HexColor("#2E7D32")
GOLD = colors.HexColor("#F9A825")
RED = colors.HexColor("#C62828")
LBLUE = colors.HexColor("#E3F2FD")
LTEAL = colors.HexColor("#E0F2F1")
LORANGE = colors.HexColor("#FBE9E7")
LPURPLE = colors.HexColor("#F3E5F5")
LGREEN = colors.HexColor("#E8F5E9")
LGOLD = colors.HexColor("#FFFDE7")
LRED = colors.HexColor("#FFEBEE")
LGREY = colors.HexColor("#F5F5F5")
DGREY = colors.HexColor("#424242")
# ── Styles ─────────────────────────────────────────────────────────────────────
styles = getSampleStyleSheet()
def S(name, **kw):
return ParagraphStyle(name, parent=styles['Normal'], **kw)
cover_title = S('CoverTitle', fontSize=34, textColor=colors.white, alignment=TA_CENTER, spaceAfter=6, fontName='Helvetica-Bold')
cover_sub = S('CoverSub', fontSize=16, textColor=colors.white, alignment=TA_CENTER, spaceAfter=4, fontName='Helvetica')
cover_badge = S('CoverBadge', fontSize=12, textColor=GOLD, alignment=TA_CENTER, spaceAfter=2, fontName='Helvetica-Bold')
sec_title = S('SecTitle', fontSize=22, textColor=colors.white, alignment=TA_CENTER, spaceAfter=4, fontName='Helvetica-Bold')
sec_sub = S('SecSub', fontSize=13, textColor=colors.white, alignment=TA_CENTER, spaceAfter=2, fontName='Helvetica')
subj_head = S('SubjHead', fontSize=15, textColor=NAVY, spaceAfter=6, spaceBefore=12, fontName='Helvetica-Bold')
topic_head = S('TopicHead', fontSize=12, textColor=TEAL, spaceAfter=4, spaceBefore=8, fontName='Helvetica-Bold')
qnum_style = S('QNum', fontSize=11, textColor=NAVY, spaceAfter=2, fontName='Helvetica-Bold')
q_style = S('Q', fontSize=11, textColor=DGREY, spaceAfter=4, fontName='Helvetica', leading=16)
opt_correct = S('OptCorrect', fontSize=11, textColor=GREEN, spaceAfter=2, fontName='Helvetica-Bold')
opt_wrong = S('OptWrong', fontSize=11, textColor=DGREY, spaceAfter=2, fontName='Helvetica')
ans_style = S('Ans', fontSize=10, textColor=GREEN, spaceAfter=2, fontName='Helvetica-Bold')
exp_style = S('Exp', fontSize=10, textColor=DGREY, spaceAfter=8, fontName='Helvetica', leading=15, backColor=LGREEN)
year_badge = S('YearBadge', fontSize=9, textColor=colors.white, fontName='Helvetica-Bold')
fc_front = S('FCFront', fontSize=13, textColor=NAVY, alignment=TA_CENTER, fontName='Helvetica-Bold', leading=18)
fc_back = S('FCBack', fontSize=11, textColor=DGREY, alignment=TA_CENTER, fontName='Helvetica', leading=16)
fc_tag = S('FCTag', fontSize=9, textColor=TEAL, alignment=TA_CENTER, fontName='Helvetica-Bold')
mm_node_style = S('MMNode', fontSize=10, textColor=NAVY, alignment=TA_CENTER, fontName='Helvetica-Bold')
mm_tip_style = S('MMTip', fontSize=9, textColor=DGREY, fontName='Helvetica', leading=13)
body_text = S('BodyText', fontSize=10, textColor=DGREY, fontName='Helvetica', leading=15, spaceAfter=4)
small_italic = S('SmallItalic', fontSize=9, textColor=colors.grey, fontName='Helvetica-Oblique', spaceAfter=4)
# ── Helper Flowables ───────────────────────────────────────────────────────────
class ColorBanner(Flowable):
def __init__(self, text, subtext='', bg=NAVY, w=None, h=60):
super().__init__()
self._text = text
self._subtext = subtext
self._bg = bg
self._h = h
self._w = w
def wrap(self, availW, availH):
self._w = self._w or availW
return self._w, self._h
def draw(self):
c = self.canv
w, h = self._w, self._h
c.setFillColor(self._bg)
c.roundRect(0, 0, w, h, 8, fill=1, stroke=0)
c.setFillColor(colors.white)
c.setFont('Helvetica-Bold', 18)
c.drawCentredString(w/2, h - 30, self._text)
if self._subtext:
c.setFont('Helvetica', 11)
c.setFillColor(colors.HexColor("#ECEFF1"))
c.drawCentredString(w/2, h - 48, self._subtext)
class YearTag(Flowable):
def __init__(self, year, exam='NEET PG', color=TEAL):
super().__init__()
self._year = year
self._exam = exam
self._color = color
def wrap(self, availW, availH):
return 90, 18
def draw(self):
c = self.canv
c.setFillColor(self._color)
c.roundRect(0, 0, 90, 18, 5, fill=1, stroke=0)
c.setFillColor(colors.white)
c.setFont('Helvetica-Bold', 9)
c.drawCentredString(45, 5, f"{self._exam} {self._year}")
class FlashCard(Flowable):
"""Renders a single flashcard as a styled box."""
def __init__(self, front, back, tag='', color=LBLUE, border=NAVY, w=None):
super().__init__()
self._front = front
self._back = back
self._tag = tag
self._color = color
self._border = border
self._w = w
def wrap(self, availW, availH):
self._w = self._w or availW
return self._w, 110
def draw(self):
c = self.canv
w = self._w
# Card background
c.setFillColor(self._color)
c.setStrokeColor(self._border)
c.setLineWidth(1.5)
c.roundRect(0, 0, w, 108, 8, fill=1, stroke=1)
# Divider line
c.setStrokeColor(self._border)
c.setLineWidth(0.5)
c.line(10, 55, w-10, 55)
# Tag
if self._tag:
c.setFillColor(self._border)
c.roundRect(10, 88, 80, 16, 4, fill=1, stroke=0)
c.setFillColor(colors.white)
c.setFont('Helvetica-Bold', 8)
c.drawString(14, 92, self._tag[:18])
# Front text
c.setFillColor(self._border)
c.setFont('Helvetica-Bold', 11)
self._draw_wrapped(c, self._front, 12, 60, w-24, 12)
# Back text
c.setFillColor(DGREY)
c.setFont('Helvetica', 10)
self._draw_wrapped(c, self._back, 12, 10, w-24, 11)
def _draw_wrapped(self, c, text, x, y, max_w, font_size):
from reportlab.pdfbase.pdfmetrics import stringWidth
words = text.split()
line = ''
lines = []
for w in words:
test = (line + ' ' + w).strip()
if stringWidth(test, 'Helvetica', font_size) < max_w:
line = test
else:
if line: lines.append(line)
line = w
if line: lines.append(line)
for i, ln in enumerate(lines[:3]):
c.drawString(x, y - i*14, ln)
class MindMapFlowable(Flowable):
"""Simple radial mind map drawn with ReportLab graphics."""
def __init__(self, center_text, branches, w=None, h=320):
super().__init__()
self._center = center_text
self._branches = branches # list of (label, [subnodes])
self._w = w
self._h = h
def wrap(self, availW, availH):
self._w = self._w or availW
return self._w, self._h
def draw(self):
c = self.canv
cx, cy = self._w / 2, self._h / 2
colors_list = [NAVY, TEAL, ORANGE, PURPLE, GREEN, GOLD, RED,
colors.HexColor("#0288D1"), colors.HexColor("#AD1457")]
n = len(self._branches)
radius = min(cx, cy) * 0.58
# Center bubble
c.setFillColor(NAVY)
c.circle(cx, cy, 42, fill=1, stroke=0)
c.setFillColor(colors.white)
c.setFont('Helvetica-Bold', 10)
words = self._center.split()
for i, w in enumerate(words[:3]):
c.drawCentredString(cx, cy + 6 - i*14, w)
for i, (label, subnodes) in enumerate(self._branches):
angle = 2 * math.pi * i / n - math.pi / 2
bx = cx + radius * math.cos(angle)
by = cy + radius * math.sin(angle)
col = colors_list[i % len(colors_list)]
# Branch line
c.setStrokeColor(col)
c.setLineWidth(2.5)
c.line(cx + 42 * math.cos(angle), cy + 42 * math.sin(angle), bx, by)
# Branch bubble
c.setFillColor(col)
c.roundRect(bx - 48, by - 13, 96, 26, 6, fill=1, stroke=0)
c.setFillColor(colors.white)
c.setFont('Helvetica-Bold', 9)
c.drawCentredString(bx, by - 4, label[:20])
# Sub-nodes
for j, sub in enumerate(subnodes[:3]):
sub_angle = angle + (j - (len(subnodes)-1)/2) * 0.45
sx = bx + 68 * math.cos(sub_angle)
sy = by + 68 * math.sin(sub_angle)
c.setStrokeColor(col)
c.setLineWidth(1)
c.line(bx, by, sx, sy)
c.setFillColor(colors.HexColor("#ECEFF1"))
c.setStrokeColor(col)
c.setLineWidth(0.8)
c.roundRect(sx - 38, sy - 10, 76, 20, 4, fill=1, stroke=1)
c.setFillColor(col)
c.setFont('Helvetica', 8)
c.drawCentredString(sx, sy - 4, sub[:18])
# ── Page numbering ─────────────────────────────────────────────────────────────
def on_page(canvas, doc):
canvas.saveState()
canvas.setFont('Helvetica', 8)
canvas.setFillColor(colors.grey)
canvas.drawString(30, 15, "NEET PG / INI-CET PYQ Compendium 2021-2025")
canvas.drawRightString(A4[0] - 30, 15, f"Page {doc.page}")
canvas.restoreState()
# ══════════════════════════════════════════════════════════════════════════════
# DATA: PYQs
# ══════════════════════════════════════════════════════════════════════════════
PYQ_DATA = {
"ANATOMY": [
{"year": "2025", "exam": "NEET PG",
"q": "A patient presents with ankle pain and swelling after a forceful eversion injury. Which ligament is most likely damaged?",
"opts": ["A. Anterior talofibular ligament", "B. Calcaneofibular ligament", "C. Deltoid ligament", "D. Posterior talofibular ligament"],
"ans": "C",
"exp": "Deltoid ligament (medial collateral ligament) is injured in EVERSION injuries. Lateral ligaments (ATFL, CFL) are injured in inversion injuries. The deltoid ligament is the strongest ankle ligament and resists eversion stress.",
"topic": "Lower Limb"},
{"year": "2024", "exam": "NEET PG",
"q": "Most common nerve injured at the proximal end of fibula is:",
"opts": ["A. Tibial nerve", "B. Common peroneal nerve", "C. Sural nerve", "D. Saphenous nerve"],
"ans": "B",
"exp": "Common peroneal (fibular) nerve winds around the neck of fibula and is the most vulnerable nerve at the fibular head. Injury causes foot drop (loss of dorsiflexion and eversion).",
"topic": "Lower Limb"},
{"year": "2023", "exam": "NEET PG",
"q": "A 30-year-old patient presents with midline neck swelling that moves up on deglutition AND on tongue protrusion. Diagnosis:",
"opts": ["A. Thyroid goiter", "B. Thyroglossal cyst", "C. Branchial cyst", "D. Dermoid cyst"],
"ans": "B",
"exp": "Thyroglossal cyst moves on BOTH deglutition and tongue protrusion (due to its attachment to foramen caecum via the thyroglossal tract). A thyroid swelling moves only on deglutition.",
"topic": "Head & Neck"},
{"year": "2022", "exam": "NEET PG",
"q": "The hepatocystic triangle (Calot's triangle) is bounded by all EXCEPT:",
"opts": ["A. Cystic duct", "B. Common hepatic duct", "C. Inferior surface of liver", "D. Common bile duct"],
"ans": "D",
"exp": "Calot's triangle boundaries: (1) Cystic duct, (2) Common hepatic duct, (3) Inferior surface of the liver (or cystic artery). The common bile duct is NOT a boundary.",
"topic": "Abdomen"},
{"year": "2021", "exam": "NEET PG",
"q": "Nerve supply to the skin over the lower 1/3 of the anterior thigh is from:",
"opts": ["A. Femoral nerve", "B. Lateral femoral cutaneous nerve", "C. Obturator nerve", "D. Saphenous nerve"],
"ans": "D",
"exp": "The saphenous nerve (terminal branch of femoral nerve) supplies the medial side of leg and lower thigh. The medial cutaneous nerve of thigh (from femoral) supplies the lower anterior thigh.",
"topic": "Lower Limb"},
{"year": "2025", "exam": "INI-CET",
"q": "Primary action of the muscle originating from the pterygoid fossa is:",
"opts": ["A. Protracts and depresses the mandible", "B. Elevates the mandible", "C. Retracts the mandible", "D. Side-to-side grinding"],
"ans": "A",
"exp": "The lateral pterygoid muscle originates from pterygoid fossa and inserts into the neck of condyle and articular disc. It protracts and depresses the mandible (opens the mouth).",
"topic": "Head & Neck"},
],
"PHYSIOLOGY": [
{"year": "2025", "exam": "NEET PG",
"q": "Lactate is produced in skeletal muscle during strenuous exercise. Which statement is TRUE?",
"opts": ["A. Lactate is produced even in the presence of oxygen", "B. Lactate is produced only in anaerobic conditions", "C. Lactate production requires absence of LDH", "D. Lactate cannot cross the blood-brain barrier"],
"ans": "A",
"exp": "Lactate is produced even aerobically (Cori cycle). During intense exercise, the rate of glycolysis exceeds TCA cycle capacity, causing pyruvate to be converted to lactate even when O2 is present (aerobic glycolysis / Warburg-like effect in muscle).",
"topic": "Muscle Physiology"},
{"year": "2024", "exam": "NEET PG",
"q": "ECG showing tall peaked T waves. Which electrolyte abnormality is responsible?",
"opts": ["A. Hypernatremia", "B. Hyperkalemia", "C. Hypercalcemia", "D. Hypomagnesemia"],
"ans": "B",
"exp": "Peaked (tall, narrow) T waves are the EARLIEST ECG change in HYPERKALEMIA. Sequence: peaked T waves -> flattened P waves -> wide QRS -> sine wave pattern -> VF.",
"topic": "Cardiac Physiology"},
{"year": "2023", "exam": "NEET PG",
"q": "Which lung volume CANNOT be measured by spirometry?",
"opts": ["A. Tidal volume", "B. Inspiratory reserve volume", "C. Residual volume", "D. Expiratory reserve volume"],
"ans": "C",
"exp": "Residual volume (RV) is the air remaining after maximal expiration. It cannot be measured by spirometry because the spirometer cannot capture air that cannot be exhaled. FRC and TLC (which contain RV) also cannot be measured by spirometry; body plethysmography or helium dilution is used.",
"topic": "Respiratory Physiology"},
{"year": "2022", "exam": "NEET PG",
"q": "The normal GFR in a healthy adult is approximately:",
"opts": ["A. 60 mL/min", "B. 85 mL/min", "C. 125 mL/min", "D. 180 mL/min"],
"ans": "C",
"exp": "Normal GFR is approximately 125 mL/min (180 L/day). Approximately 99% is reabsorbed, yielding ~1-2 L of urine/day. GFR <60 mL/min for >3 months = CKD.",
"topic": "Renal Physiology"},
{"year": "2021", "exam": "NEET PG",
"q": "The resting membrane potential of a neuron is maintained primarily by which pump?",
"opts": ["A. Ca2+-ATPase pump", "B. Na+/K+-ATPase pump", "C. H+/K+-ATPase pump", "D. Cl-/HCO3- exchanger"],
"ans": "B",
"exp": "The Na+/K+-ATPase pump (3 Na+ out, 2 K+ in per cycle) maintains the resting membrane potential (~-70 mV) in neurons. It is electrogenic and critical for restoring ion gradients after action potentials.",
"topic": "Neurophysiology"},
],
"PHARMACOLOGY": [
{"year": "2025", "exam": "NEET PG",
"q": "A patient with type 2 DM is started on a drug that causes urinary glucose excretion by inhibiting SGLT-2. This drug also has proven cardiovascular benefits. Identify:",
"opts": ["A. Metformin", "B. Empagliflozin", "C. Sitagliptin", "D. Pioglitazone"],
"ans": "B",
"exp": "Empagliflozin (SGLT-2 inhibitor) inhibits sodium-glucose cotransporter-2 in the proximal tubule, causing glucosuria. EMPA-REG OUTCOME trial demonstrated significant reduction in cardiovascular death and hospitalization for heart failure.",
"topic": "Antidiabetics"},
{"year": "2024", "exam": "NEET PG",
"q": "Treatment of Aspirin (salicylate) overdose includes:",
"opts": ["A. Naloxone", "B. N-Acetylcysteine", "C. Glucagon", "D. IV Sodium Bicarbonate"],
"ans": "D",
"exp": "IV NaHCO3 alkalinizes urine (target urine pH 7.5-8.0), trapping ionized salicylate in the tubular lumen and enhancing renal elimination. N-Acetylcysteine is for paracetamol overdose; Naloxone for opioids; Glucagon for beta-blocker/Ca2+-channel blocker toxicity.",
"topic": "Toxicology"},
{"year": "2023", "exam": "NEET PG",
"q": "A 25-year-old male reports the sensation of insects crawling under his skin (formication). Which drug abuse is most likely responsible?",
"opts": ["A. Cannabis", "B. Cocaine", "C. Amphetamine", "D. Alcohol"],
"ans": "B",
"exp": "Formication (tactile hallucination of insects crawling under skin) is known as 'cocaine bugs' (Ekbom's syndrome). It is a characteristic feature of cocaine withdrawal/toxicity due to dopamine dysregulation.",
"topic": "Drug Abuse"},
{"year": "2022", "exam": "NEET PG",
"q": "Which drug is absolutely contraindicated with MAO inhibitors due to risk of serotonin syndrome?",
"opts": ["A. Tramadol", "B. Pethidine (Meperidine)", "C. Morphine", "D. Fentanyl"],
"ans": "B",
"exp": "Pethidine (meperidine) + MAOIs causes FATAL serotonin syndrome and/or hypertensive crisis. Pethidine has serotonin reuptake inhibition properties in addition to opioid agonism. Tramadol also has this interaction but pethidine is the classic answer.",
"topic": "Analgesics / Drug Interactions"},
{"year": "2021", "exam": "NEET PG",
"q": "Drug of choice for prophylaxis of migraine with hypertension:",
"opts": ["A. Sumatriptan", "B. Propranolol", "C. Valproate", "D. Ergotamine"],
"ans": "B",
"exp": "Propranolol is the first-line drug for migraine PROPHYLAXIS, especially when hypertension co-exists (additional benefit of BP control). Sumatriptan and ergotamine are for acute migraine treatment, not prophylaxis.",
"topic": "Migraine"},
],
"PATHOLOGY": [
{"year": "2025", "exam": "NEET PG",
"q": "Reed-Sternberg cells are pathognomonic for:",
"opts": ["A. Non-Hodgkin lymphoma", "B. Hodgkin lymphoma", "C. Burkitt lymphoma", "D. Multiple myeloma"],
"ans": "B",
"exp": "Reed-Sternberg cells (large binucleated cells with owl-eye nucleoli, CD15+ CD30+) are pathognomonic for HODGKIN LYMPHOMA. Classic HL shows these cells in an inflammatory background.",
"topic": "Lymphoma"},
{"year": "2024", "exam": "NEET PG",
"q": "A patient with RA presents with bluish thinning of the sclera. Diagnosis:",
"opts": ["A. Malignant melanoma", "B. Scleromalacia perforans", "C. Staphyloma", "D. Coloboma"],
"ans": "B",
"exp": "Scleromalacia perforans is a severe form of scleritis seen in rheumatoid arthritis. There is painless progressive thinning of the sclera exposing the dark choroid, giving a blue/grey appearance, without significant inflammation.",
"topic": "Ocular Pathology"},
{"year": "2023", "exam": "NEET PG",
"q": "Amyloid in multiple myeloma is of which type?",
"opts": ["A. AA amyloid", "B. AL amyloid", "C. ATTR amyloid", "D. Abeta amyloid"],
"ans": "B",
"exp": "AL (Amyloid Light chain) amyloid is derived from immunoglobulin light chains (kappa or lambda) in plasma cell dyscrasias (multiple myeloma, primary amyloidosis). AA amyloid is seen in chronic inflammatory conditions.",
"topic": "Amyloidosis"},
{"year": "2022", "exam": "NEET PG",
"q": "Warthin-Finkeldey giant cells are seen in:",
"opts": ["A. CMV infection", "B. Measles", "C. Herpes simplex", "D. Mumps"],
"ans": "B",
"exp": "Warthin-Finkeldey multinucleated giant cells (with eosinophilic nuclear and cytoplasmic inclusions) are seen in MEASLES (rubeola) in lymphoid tissues before rash appears. They are pathognomonic of measles.",
"topic": "Viral Infections"},
{"year": "2021", "exam": "NEET PG",
"q": "Psammoma bodies are NOT seen in:",
"opts": ["A. Papillary thyroid carcinoma", "B. Meningioma", "C. Serous cystadenocarcinoma of ovary", "D. Follicular thyroid carcinoma"],
"ans": "D",
"exp": "Psammoma bodies (concentric calcifications) are seen in: Papillary thyroid Ca, Meningioma, Serous cystadenocarcinoma of ovary, Mesothelioma. They are NOT seen in follicular carcinoma of thyroid. Mnemonic: PSaMMoMa = Papillary thyroid, Serous ovarian, Meningioma, Mesothelioma.",
"topic": "Tumor Markers"},
],
"MICROBIOLOGY": [
{"year": "2025", "exam": "NEET PG",
"q": "Microfilariae with a sheathed tail and two nuclei at the tip of the tail is:",
"opts": ["A. Wuchereria bancrofti", "B. Brugia malayi", "C. Loa loa", "D. Mansonella perstans"],
"ans": "B",
"exp": "Brugia malayi microfilariae: SHEATHED (stains with Giemsa), two DISCRETE nuclei at the tail tip. Wuchereria bancrofti: sheathed but NO nuclei at tail tip. Loa loa: sheathed, nuclei extend to tip (continuous). Mansonella: unsheathed.",
"topic": "Parasitology - Filaria"},
{"year": "2024", "exam": "NEET PG",
"q": "VDRL test becomes positive after how many weeks of syphilis infection?",
"opts": ["A. 1 week", "B. 4-6 weeks", "C. 3 months", "D. 6 months"],
"ans": "B",
"exp": "VDRL (non-treponemal test) becomes positive 4-6 weeks after infection (coinciding with appearance of the secondary stage rash). FTA-ABS (treponemal) becomes positive first (~3-4 weeks). VDRL can give biological false positives in SLE, malaria, TB.",
"topic": "STI / Treponema"},
{"year": "2023", "exam": "NEET PG",
"q": "Ghon's complex in tuberculosis consists of:",
"opts": ["A. Primary lung lesion only", "B. Primary lung lesion + ipsilateral hilar lymphadenopathy", "C. Bilateral hilar lymphadenopathy", "D. Miliary lesions throughout lungs"],
"ans": "B",
"exp": "Ghon's complex = Ghon's focus (primary subpleural lung lesion, usually lower lobe) + ipsilateral hilar/mediastinal lymph node enlargement (lymphangitis connecting them). It represents primary tuberculosis in immunocompetent hosts.",
"topic": "Mycobacterium"},
{"year": "2022", "exam": "NEET PG",
"q": "Schick test is used for testing immunity to:",
"opts": ["A. Tetanus", "B. Diphtheria", "C. Pertussis", "D. Typhoid"],
"ans": "B",
"exp": "Schick test assesses susceptibility to DIPHTHERIA. Diphtheria toxin is injected intradermally; a positive result (erythema/induration at 24-48h) indicates lack of immunity. Rarely used now as diphtheria antitoxin titres are measured directly.",
"topic": "Corynebacterium"},
{"year": "2021", "exam": "NEET PG",
"q": "Which hepatitis virus has the highest risk of chronicity?",
"opts": ["A. Hepatitis A", "B. Hepatitis B", "C. Hepatitis C", "D. Hepatitis E"],
"ans": "C",
"exp": "Hepatitis C: chronicity ~55-85% of acute infections. HBV chronicity: ~5-10% in adults (90% if perinatal). HAV and HEV: NO chronic infection (self-limiting). HCV has poor immune response due to rapid mutation of E1/E2 proteins.",
"topic": "Hepatitis Viruses"},
],
"BIOCHEMISTRY": [
{"year": "2025", "exam": "NEET PG",
"q": "The enzyme deficient in Phenylketonuria (PKU) is:",
"opts": ["A. Phenylalanine transaminase", "B. Phenylalanine hydroxylase", "C. Homogentisate oxidase", "D. Tyrosinase"],
"ans": "B",
"exp": "PKU is due to deficiency of PHENYLALANINE HYDROXYLASE (PAH), which converts phenylalanine to tyrosine. This requires tetrahydrobiopterin (BH4) as cofactor. Accumulation of phenylalanine causes intellectual disability, fair skin, musty odor.",
"topic": "Amino Acid Metabolism"},
{"year": "2024", "exam": "NEET PG",
"q": "HbA1c reflects blood glucose control over the past:",
"opts": ["A. 2 weeks", "B. 4-6 weeks", "C. 2-3 months", "D. 6 months"],
"ans": "C",
"exp": "HbA1c reflects the average blood glucose over the past 2-3 months (lifespan of RBC ~120 days). It results from non-enzymatic glycation of hemoglobin A. Target HbA1c in DM management: <7% (ADA), <6.5% (AACE).",
"topic": "Carbohydrate Metabolism"},
{"year": "2023", "exam": "NEET PG",
"q": "Which vitamin is required as a cofactor for pyruvate dehydrogenase complex?",
"opts": ["A. Vitamin B1 (Thiamine)", "B. Vitamin B2 (Riboflavin)", "C. Vitamin B3 (Niacin)", "D. Vitamin B6 (Pyridoxine)"],
"ans": "A",
"exp": "Pyruvate dehydrogenase complex requires FIVE cofactors: Thiamine (B1) as TPP, FAD (B2), NAD+ (B3), Coenzyme A (pantothenic acid B5), and Lipoic acid. Mnemonic: Tender Loving Care For Nancy (TPP, Lipoic acid, CoA, FAD, NAD).",
"topic": "Vitamins"},
{"year": "2022", "exam": "NEET PG",
"q": "Rate-limiting enzyme of cholesterol synthesis is:",
"opts": ["A. Squalene synthase", "B. HMG-CoA synthase", "C. HMG-CoA reductase", "D. Mevalonate kinase"],
"ans": "C",
"exp": "HMG-CoA reductase is the rate-limiting (committed) step of cholesterol synthesis (converts HMG-CoA to mevalonate). Statins competitively inhibit this enzyme, reducing cholesterol synthesis.",
"topic": "Lipid Metabolism"},
{"year": "2021", "exam": "NEET PG",
"q": "A patient with diarrhea, dermatitis, and dementia (3Ds). Which nutritional deficiency?",
"opts": ["A. Vitamin B1", "B. Vitamin B3 (Niacin)", "C. Vitamin B12", "D. Vitamin C"],
"ans": "B",
"exp": "Pellagra (niacin/B3 deficiency) = 4 Ds: Dermatitis, Diarrhea, Dementia, Death. Causes: maize-based diets (low tryptophan), Hartnup disease, carcinoid syndrome, isoniazid therapy. Treatment: nicotinamide.",
"topic": "Vitamins"},
],
"MEDICINE": [
{"year": "2025", "exam": "NEET PG",
"q": "A 60-year-old man lost his wife 3 months ago. He now believes his intestines are rotten and that he deserves to be in prison. He feels low with anhedonia. Diagnosis:",
"opts": ["A. Normal grief", "B. Complicated grief", "C. Delusional depression (Cotard's syndrome)", "D. Schizophrenia"],
"ans": "C",
"exp": "Cotard's syndrome (nihilistic delusions) - patient believes body parts are dead/decayed or non-existent. When combined with severe depression (anhedonia, low mood, guilt), this represents psychotic depression / delusional depression. Distinguish from normal grief (< 2 months, no delusions).",
"topic": "Psychiatry"},
{"year": "2024", "exam": "NEET PG",
"q": "A patient with Pancoast tumor presents with arm pain and ptosis. The syndrome affecting the eye is:",
"opts": ["A. Holmes-Adie syndrome", "B. Horner's syndrome", "C. Marcus Gunn phenomenon", "D. Argyll Robertson pupil"],
"ans": "B",
"exp": "Pancoast tumor (superior sulcus tumor) invades the T1 root and cervical sympathetic chain, causing Horner's syndrome: Ptosis (partial), Miosis, Anhidrosis, Enophthalmos. Arm pain is from brachial plexus infiltration (C8-T1).",
"topic": "Pulmonology / Oncology"},
{"year": "2023", "exam": "NEET PG",
"q": "In cirrhosis, which portosystemic anastomosis is prone to bleeding?",
"opts": ["A. Caput medusae", "B. Anorectal varices", "C. Gastro-oesophageal varices", "D. Retroperitoneal anastomosis"],
"ans": "C",
"exp": "Gastro-oesophageal varices (left gastric/coronary vein <-> azygos vein) are the most clinically important portosystemic anastomosis and are responsible for life-threatening variceal bleeding in portal hypertension.",
"topic": "Gastroenterology"},
{"year": "2022", "exam": "NEET PG",
"q": "The most common cause of community-acquired pneumonia (CAP) in adults is:",
"opts": ["A. Staphylococcus aureus", "B. Streptococcus pneumoniae", "C. Klebsiella pneumoniae", "D. Haemophilus influenzae"],
"ans": "B",
"exp": "Streptococcus pneumoniae (pneumococcus) is the most common cause of CAP in adults worldwide. It classically presents with sudden onset fever, productive rust-colored sputum, pleuritic chest pain, and lobar consolidation.",
"topic": "Pulmonology"},
{"year": "2021", "exam": "NEET PG",
"q": "Trousseau's sign and Chvostek's sign are features of:",
"opts": ["A. Hyperkalemia", "B. Hypocalcemia", "C. Hyponatremia", "D. Hypermagnesemia"],
"ans": "B",
"exp": "Hypocalcemia causes neuromuscular excitability. Chvostek's sign: tapping the facial nerve causes ipsilateral facial muscle twitch. Trousseau's sign: carpopedal spasm on inflating BP cuff above systolic pressure for 3 min. Both indicate latent tetany.",
"topic": "Endocrinology"},
],
"SURGERY": [
{"year": "2025", "exam": "NEET PG",
"q": "A 45-year-old man presents with an indirect inguinal hernia. The defect is in:",
"opts": ["A. Hesselbach's triangle", "B. Deep inguinal ring", "C. Femoral canal", "D. Obturator foramen"],
"ans": "B",
"exp": "Indirect inguinal hernia passes through the DEEP (internal) inguinal ring (lateral to inferior epigastric vessels). Direct inguinal hernia passes through Hesselbach's triangle (medial to inferior epigastric vessels). Indirect hernia is more common overall.",
"topic": "Hernias"},
{"year": "2024", "exam": "NEET PG",
"q": "Courvoisier's law states that in obstructive jaundice, a palpable gallbladder suggests:",
"opts": ["A. Gallstone impaction in CBD", "B. Carcinoma of head of pancreas", "C. Acute cholecystitis", "D. Primary sclerosing cholangitis"],
"ans": "B",
"exp": "Courvoisier's law: In obstructive jaundice, a palpable, non-tender gallbladder suggests MALIGNANT obstruction (e.g., Ca head of pancreas), NOT gallstones. Gallstone disease causes a fibrosed, non-distensible gallbladder from chronic inflammation.",
"topic": "Hepatobiliary"},
{"year": "2023", "exam": "NEET PG",
"q": "Earliest feature of acute intestinal obstruction is:",
"opts": ["A. Distension", "B. Constipation", "C. Colicky pain", "D. Vomiting"],
"ans": "C",
"exp": "Colicky abdominal pain is the EARLIEST feature of acute intestinal obstruction. Vomiting is early in high obstruction. Distension is more prominent in low/large bowel obstruction. Absolute constipation (no flatus) is a late feature.",
"topic": "GI Surgery"},
{"year": "2022", "exam": "NEET PG",
"q": "FNAC of thyroid showing Hurthle cells (oxyphilic cells) is a feature of:",
"opts": ["A. Papillary carcinoma", "B. Hashimoto's thyroiditis", "C. Follicular carcinoma", "D. Medullary carcinoma"],
"ans": "B",
"exp": "Hurthle cells (oncocytes/oxyphilic cells - large cells with granular eosinophilic cytoplasm) are characteristically seen in Hashimoto's thyroiditis (autoimmune). They can also be seen in Hurthle cell carcinoma (a variant of follicular carcinoma).",
"topic": "Thyroid"},
{"year": "2021", "exam": "NEET PG",
"q": "Sentinel lymph node in carcinoma breast is most commonly located in:",
"opts": ["A. Axillary lymph nodes", "B. Internal mammary nodes", "C. Supraclavicular nodes", "D. Interpectoral nodes"],
"ans": "A",
"exp": "Sentinel lymph node (first draining LN from the tumor) in breast carcinoma is most commonly in the AXILLA (Level I axillary nodes). Sentinel node biopsy uses blue dye + technetium-labeled colloid. A negative sentinel node = no further axillary dissection needed.",
"topic": "Breast"},
],
"OBG": [
{"year": "2025", "exam": "NEET PG",
"q": "Bishop score >8 indicates:",
"opts": ["A. Unfavorable cervix; induction not indicated", "B. Favorable cervix; induction likely successful", "C. Indication for cervical ripening with PGE2", "D. Emergency cesarean section"],
"ans": "B",
"exp": "Bishop score assesses cervical ripeness. Score >8: favorable cervix, induction likely successful without cervical ripening agents. Score <6: unfavorable, may need cervical ripening. Parameters: Dilation, Effacement, Station, Consistency, Position (DESCP).",
"topic": "Obstetrics"},
{"year": "2024", "exam": "NEET PG",
"q": "HELLP syndrome is characterized by all EXCEPT:",
"opts": ["A. Hemolysis", "B. Elevated Liver enzymes", "C. Low Platelets", "D. High Protein in urine"],
"ans": "D",
"exp": "HELLP syndrome = Hemolysis + Elevated Liver enzymes + Low Platelets. It is a severe variant of pre-eclampsia. High proteinuria is a feature of pre-eclampsia, not a defining criterion of HELLP. Patients may NOT have hypertension or proteinuria in some HELLP cases.",
"topic": "Obstetrics - Complications"},
{"year": "2023", "exam": "NEET PG",
"q": "Most common site of ectopic pregnancy is:",
"opts": ["A. Ovary", "B. Ampulla of fallopian tube", "C. Isthmus of fallopian tube", "D. Interstitial portion"],
"ans": "B",
"exp": "Ampullary ectopic pregnancy accounts for ~80% of all ectopic pregnancies. Order of frequency: Ampulla > Isthmus > Fimbria > Interstitial > Ovarian > Cervical > Abdominal.",
"topic": "Gynaecology"},
{"year": "2022", "exam": "NEET PG",
"q": "Drug of choice for medical management of ectopic pregnancy is:",
"opts": ["A. Mifepristone", "B. Methotrexate", "C. Misoprostol", "D. Progesterone"],
"ans": "B",
"exp": "Methotrexate (folic acid antagonist) is the drug of choice for medical management of ectopic pregnancy. Indications: unruptured ectopic <3.5 cm, beta-hCG <5000 mIU/mL, hemodynamically stable, no cardiac activity.",
"topic": "Gynaecology"},
{"year": "2021", "exam": "NEET PG",
"q": "Commonest malignancy in females in India is:",
"opts": ["A. Ovarian carcinoma", "B. Endometrial carcinoma", "C. Carcinoma cervix", "D. Carcinoma breast"],
"ans": "D",
"exp": "Carcinoma BREAST has overtaken cervical cancer as the most common malignancy in Indian women. Globally and in India (urban): Breast cancer is #1. Cervical cancer is #2 in India. Carcinoma cervix remains most common in rural India.",
"topic": "Oncology - Gynaecology"},
],
"PEDIATRICS": [
{"year": "2025", "exam": "NEET PG",
"q": "Vitamin K is given at birth to prevent:",
"opts": ["A. Scurvy", "B. Hemorrhagic disease of newborn", "C. Rickets", "D. Hemolytic anemia"],
"ans": "B",
"exp": "Hemorrhagic disease of newborn (HDN) / Vitamin K Deficiency Bleeding (VKDB) is prevented by IM Vitamin K (1 mg) at birth. Newborns have low Vitamin K due to: poor placental transfer, sterile gut (no bacterial synthesis), low breast milk content.",
"topic": "Neonatology"},
{"year": "2024", "exam": "NEET PG",
"q": "Development milestone: A child walks with support (cruising) at:",
"opts": ["A. 6 months", "B. 9 months", "C. 12 months", "D. 15 months"],
"ans": "B",
"exp": "Cruising (walking holding furniture) occurs at ~9 months. Timeline: 3m - rolls over, 6m - sits with support, 9m - stands with support/cruises, 12m - walks independently. 15m - walks steadily, 18m - runs.",
"topic": "Development"},
{"year": "2023", "exam": "NEET PG",
"q": "Koplik's spots are pathognomonic of:",
"opts": ["A. Rubella", "B. Chickenpox", "C. Measles", "D. Roseola infantum"],
"ans": "C",
"exp": "Koplik's spots (whitish-grey spots on bright red buccal mucosa, opposite the lower 1st molar) appear 2 days BEFORE the measles rash and are pathognomonic of measles. They disappear as the rash appears.",
"topic": "Infectious Diseases"},
{"year": "2022", "exam": "NEET PG",
"q": "Most common cause of acute diarrhea in children under 5 years globally is:",
"opts": ["A. E. coli", "B. Rotavirus", "C. Salmonella", "D. Giardia"],
"ans": "B",
"exp": "Rotavirus is the most common cause of severe acute gastroenteritis in children <5 years globally. It accounts for ~40% of hospitalizations for diarrhea in this age group. Rotavirus vaccine (RV1, RV5) has significantly reduced mortality.",
"topic": "Gastroenterology"},
],
"OPHTHALMOLOGY": [
{"year": "2025", "exam": "NEET PG",
"q": "Argyll Robertson pupil is characterized by:",
"opts": ["A. Loss of light reflex, intact accommodation reflex",
"B. Loss of both light and accommodation reflex",
"C. Intact light reflex, loss of accommodation",
"D. Mydriasis with absent direct reflex"],
"ans": "A",
"exp": "Argyll Robertson pupil (ARP): 'Prostitute's pupil' - accommodates but does not react (to light). Seen in neurosyphilis. Small, irregular, bilateral pupils. Light reflex ABSENT, accommodation reflex INTACT.",
"topic": "Neuro-ophthalmology"},
{"year": "2024", "exam": "NEET PG",
"q": "Cherry red spot at the macula is seen in all EXCEPT:",
"opts": ["A. Central retinal artery occlusion", "B. Niemann-Pick disease", "C. Tay-Sachs disease", "D. Central retinal vein occlusion"],
"ans": "D",
"exp": "Cherry red spot (fovea appears red against pale/white retina) is seen in: CRAO, Niemann-Pick, Tay-Sachs, Sandhoff, GM1 gangliosidosis. NOT in CRVO (shows disc edema, flame hemorrhages, dilated tortuous veins).",
"topic": "Retina"},
],
"ENT": [
{"year": "2025", "exam": "NEET PG",
"q": "Cholesteatoma in the ear is characterized by:",
"opts": ["A. Benign bone tumour of the temporal bone",
"B. Keratinizing stratified squamous epithelium in the middle ear",
"C. Malignant transformation of otosclerosis",
"D. Accumulation of cerumen"],
"ans": "B",
"exp": "Cholesteatoma is an accumulation of keratinizing stratified squamous epithelium in the middle ear/mastoid. It is destructive (bone erosion) due to enzyme production. Attic retraction pocket is the hallmark of acquired cholesteatoma.",
"topic": "Ear"},
{"year": "2024", "exam": "NEET PG",
"q": "Juvenile Nasopharyngeal Angiofibroma (JNA) does NOT show:",
"opts": ["A. Seen in adolescent males",
"B. Bleeds profusely on biopsy",
"C. Arises from posterior choanae",
"D. Lymph node metastasis"],
"ans": "D",
"exp": "JNA is a BENIGN (but locally invasive, highly vascular) tumor seen in adolescent males. It does NOT metastasize (no lymph node metastasis). It bleeds profusely on touch/biopsy due to high vascularity. Biopsy is contraindicated.",
"topic": "Nose/PNS"},
],
"PSM / SPM": [
{"year": "2025", "exam": "NEET PG",
"q": "In an epidemiological study, cases and controls are identified first, then exposure is determined retrospectively. This study design is:",
"opts": ["A. Cohort study", "B. Cross-sectional study", "C. Case-control study", "D. Randomized controlled trial"],
"ans": "C",
"exp": "Case-control studies start with OUTCOME (disease) and look BACKWARDS at exposure. They measure Odds Ratio (OR). Cohort studies start with EXPOSURE and look forward. Case-control is ideal for rare diseases and provides faster, cheaper results.",
"topic": "Epidemiology"},
{"year": "2024", "exam": "NEET PG",
"q": "Sensitivity of a test is defined as:",
"opts": ["A. TP / (TP + FP)", "B. TN / (TN + FP)", "C. TP / (TP + FN)", "D. TN / (TN + FN)"],
"ans": "C",
"exp": "Sensitivity = TP/(TP+FN) = ability to detect TRUE POSITIVES (correctly identify disease). Specificity = TN/(TN+FP) = ability to detect TRUE NEGATIVES. High sensitivity = good screening test. High specificity = good confirmatory test. Mnemonic: SnNout (sensitive test, Negative rules OUT disease).",
"topic": "Biostatistics"},
{"year": "2023", "exam": "NEET PG",
"q": "Herd immunity threshold for measles is approximately:",
"opts": ["A. 50-60%", "B. 70-75%", "C. 92-95%", "D. 80-85%"],
"ans": "C",
"exp": "Measles has the highest basic reproduction number (R0 = 12-18), requiring herd immunity of 92-95% to interrupt transmission. This is why 2 doses of MMR achieving >95% coverage is recommended by WHO.",
"topic": "Immunization"},
],
"FORENSIC MEDICINE": [
{"year": "2024", "exam": "NEET PG",
"q": "Rigor mortis first appears in which muscle group?",
"opts": ["A. Lower limbs", "B. Jaw/neck muscles (smaller muscles first)", "C. Abdominal muscles", "D. Upper limbs"],
"ans": "B",
"exp": "Rigor mortis follows Nysten's law: first appears in SMALL muscles (jaw, eyelids, neck), then progresses downwards (upper limbs -> trunk -> lower limbs). It begins 2-6 hours after death, maximum at 12 hours, disappears in 24-48 hours.",
"topic": "Time Since Death"},
{"year": "2023", "exam": "NEET PG",
"q": "McEwen's sign is associated with:",
"opts": ["A. Syphilis", "B. Rickets", "C. Scurvy", "D. Pellagra"],
"ans": "B",
"exp": "McEwen's sign (Bossing of frontal and parietal bones - 'hot cross bun skull') is associated with RICKETS. Harrison's sulcus, rachitic rosary, pigeon chest (pectus carinatum), and bowing of legs are other features.",
"topic": "Age Estimation / Bone"},
],
"RADIOLOGY": [
{"year": "2025", "exam": "NEET PG",
"q": "Earliest change seen on X-ray in rheumatoid arthritis is:",
"opts": ["A. Joint space narrowing", "B. Periarticular osteoporosis", "C. Bony erosions", "D. Subluxation"],
"ans": "B",
"exp": "Periarticular osteoporosis (juxta-articular osteoporosis) is the EARLIEST radiological finding in RA. Sequence: periarticular osteoporosis -> soft tissue swelling -> joint space narrowing -> marginal erosions -> subluxation -> ankylosis (late).",
"topic": "MSK Radiology"},
{"year": "2024", "exam": "NEET PG",
"q": "X-ray shows 'Snowstorm appearance'. Most likely diagnosis:",
"opts": ["A. Bronchopneumonia", "B. Miliary tuberculosis", "C. Hydatid disease of lung", "D. Pulmonary embolism"],
"ans": "B",
"exp": "Miliary tuberculosis shows numerous small (1-3 mm) nodules evenly distributed throughout both lung fields, described as 'snowstorm' or 'millet seed' appearance. It results from hematogenous dissemination of MTB.",
"topic": "Chest Radiology"},
],
}
# ══════════════════════════════════════════════════════════════════════════════
# DATA: FLASHCARDS
# ══════════════════════════════════════════════════════════════════════════════
FLASHCARDS = [
# Anatomy
("FC", "ANATOMY", LBLUE, NAVY,
"Muscle that opens the mouth (depresses mandible)?",
"Lateral pterygoid (+ digastric, mylohyoid, geniohyoid)"),
("FC", "ANATOMY", LBLUE, NAVY,
"Nerve injured in 'Saturday night palsy'?",
"Radial nerve (compression in spiral groove of humerus)\nResults in wrist drop"),
("FC", "ANATOMY", LBLUE, NAVY,
"Triangle of auscultation boundaries?",
"Trapezius (above), Latissimus dorsi (below),\nMedial border of scapula (medial)"),
("FC", "ANATOMY", LBLUE, NAVY,
"Muscle that cannot be palpated in axilla?",
"Subscapularis (on anterior surface of scapula,\nnot directly palpable in axilla)"),
# Physiology
("FC", "PHYSIOLOGY", LTEAL, TEAL,
"Surfactant is produced by which cell type?",
"Type II pneumocytes (alveolar cells)\nComposition: DPPC (dipalmitoylphosphatidylcholine)"),
("FC", "PHYSIOLOGY", LTEAL, TEAL,
"Frank-Starling Law states:",
"Increased venous return (preload) → increased stretch\n→ increased force of contraction → increased stroke volume"),
("FC", "PHYSIOLOGY", LTEAL, TEAL,
"What does the P wave on ECG represent?",
"Atrial depolarization. Duration <0.12s, amplitude <2.5mm\nFlat/absent in AF; peaked (>2.5mm) in right atrial enlargement"),
("FC", "PHYSIOLOGY", LTEAL, TEAL,
"Hormone that increases GFR and sodium excretion?",
"Atrial Natriuretic Peptide (ANP) / ANF\nReleased by atrial cardiomyocytes in response to stretch"),
# Pharmacology
("FC", "PHARMACOLOGY", LGOLD, GOLD,
"Antidote for organophosphate poisoning?",
"Atropine (antimuscarinic) + Pralidoxime (2-PAM)\nAtropine dries secretions; Pralidoxime reactivates AChE"),
("FC", "PHARMACOLOGY", LGOLD, GOLD,
"Which antibiotics are CONTRAINDICATED in pregnancy? (Mnemonic)",
"MCAT: Metronidazole (1st tri), Chloramphenicol,\nAminoglycosides, Tetracyclines\nAlso: Fluoroquinolones, Sulfonamides (near term)"),
("FC", "PHARMACOLOGY", LGOLD, GOLD,
"Zero-order kinetics vs First-order kinetics?",
"Zero-order: constant AMOUNT eliminated per unit time\n(alcohol, phenytoin at high doses, aspirin)\nFirst-order: constant FRACTION eliminated per unit time"),
("FC", "PHARMACOLOGY", LGOLD, GOLD,
"Itraconazole mechanism of action?",
"Inhibits fungal CYP450 enzyme lanosterol 14α-demethylase\n→ reduces ergosterol synthesis → disrupts fungal membrane"),
# Pathology
("FC", "PATHOLOGY", LORANGE, ORANGE,
"Virchow's triad for DVT?",
"1. Stasis of blood flow\n2. Endothelial injury\n3. Hypercoagulability (prothrombotic state)"),
("FC", "PATHOLOGY", LORANGE, ORANGE,
"Types of cell death: Apoptosis vs Necrosis",
"Apoptosis: programmed, no inflammation, caspases, cell shrinkage\nNecrosis: uncontrolled, inflammation, cell swelling, coagulative/liquefactive"),
("FC", "PATHOLOGY", LORANGE, ORANGE,
"Mnemonic for causes of Psammoma bodies?",
"PSaMMoMA:\nPapillary thyroid Ca, Serous ovarian Ca,\nMeningioma, Mesothelioma, Also: papillary renal Ca"),
("FC", "PATHOLOGY", LORANGE, ORANGE,
"CD markers for Hodgkin vs Non-Hodgkin lymphoma?",
"Hodgkin: CD15+, CD30+ (Reed-Sternberg cells)\nNHL: varies by subtype - Follicular: CD10+, CD19+, CD20+, BCL-2+"),
# Microbiology
("FC", "MICROBIOLOGY", LPURPLE, PURPLE,
"Gram stain of Mycobacterium tuberculosis?",
"Gram POSITIVE but poorly staining\nAcid-fast bacilli (AFB) - Ziehl-Neelsen stain: red bacilli on blue background"),
("FC", "MICROBIOLOGY", LPURPLE, PURPLE,
"Virus causing Kaposi's sarcoma?",
"HHV-8 (Human Herpesvirus 8 / Kaposi Sarcoma Herpesvirus)\nSeen in HIV/AIDS patients; spindle cell tumor of lymphatic endothelium"),
("FC", "MICROBIOLOGY", LPURPLE, PURPLE,
"Mnemonic for TORCH infections in neonates?",
"TOxoplasma, Rubella, CMV, Herpes simplex\n+Syphilis, HIV, Parvovirus B19, Listeria, Varicella"),
("FC", "MICROBIOLOGY", LPURPLE, PURPLE,
"Which hepatitis virus is transmitted by feco-oral route?",
"Hepatitis A and Hepatitis E (feco-oral)\nHBV, HCV, HDV - parenteral/sexual\nHEV: especially dangerous in pregnancy (maternal mortality 20%)"),
# Biochemistry
("FC", "BIOCHEMISTRY", LGREEN, GREEN,
"Enzyme deficient in Galactosemia (classical)?",
"Galactose-1-phosphate uridyltransferase (GALT)\nAccumulation of galactose-1-phosphate → hepatotoxicity, cataracts, intellectual disability"),
("FC", "BIOCHEMISTRY", LGREEN, GREEN,
"Urea cycle: rate-limiting enzyme?",
"Carbamoyl phosphate synthetase I (CPS-I)\nLocated in mitochondria; requires N-acetylglutamate as allosteric activator"),
("FC", "BIOCHEMISTRY", LGREEN, GREEN,
"Warburg effect in cancer cells?",
"Cancer cells preferentially use aerobic glycolysis (glycolysis → lactate even in O2)\nReason: rapid ATP generation, biosynthetic precursors for growth"),
("FC", "BIOCHEMISTRY", LGREEN, GREEN,
"Fatty acid synthesis occurs in which cellular compartment?",
"CYTOPLASM (cytosol)\nKey enzyme: ACC (Acetyl-CoA carboxylase) - rate limiting\nNote: Beta-oxidation occurs in MITOCHONDRIA"),
# Medicine
("FC", "MEDICINE", LGREY, DGREY,
"CHA2DS2-VASc score: what does each letter mean?",
"C=CHF, H=HTN, A2=Age≥75(x2), D=DM, S2=Stroke/TIA(x2),\nV=Vascular disease, A=Age65-74, Sc=Sex category (female)\nScore ≥2 males / ≥3 females → anticoagulate"),
("FC", "MEDICINE", LGREY, DGREY,
"Wells score is used for?",
"Pretest probability of DVT or PE\nDVT Wells ≥2: probable DVT → D-dimer or compression ultrasound\nPE Wells: ≥5 points = high probability → CT-PA"),
("FC", "MEDICINE", LGREY, DGREY,
"JVP waveform: what causes the 'c' wave?",
"Tricuspid valve closure at beginning of ventricular systole\nAlso: bulging of tricuspid valve into right atrium\na=atrial contraction, x=atrial relaxation, c=tricuspid closure, v=venous filling, y=tricuspid opening"),
("FC", "MEDICINE", LGREY, DGREY,
"CURB-65 score components?",
"C=Confusion, U=Urea >7mmol/L, R=RR≥30/min,\nB=BP (SBP<90 or DBP≤60), 65=Age≥65\nScore 0-1: outpatient; 2: inpatient; ≥3: ICU consider"),
# Surgery
("FC", "SURGERY", LRED, RED,
"Murphy's sign is positive in?",
"Acute cholecystitis: arrest of inspiration on palpation\nof right hypochondrium at the gallbladder fundus due to pain"),
("FC", "SURGERY", LRED, RED,
"Breslow thickness in melanoma staging?",
"<1mm: low risk; 1-2mm: intermediate;\n2-4mm: high risk; >4mm: very high risk\nDetermines surgical excision margin required"),
("FC", "SURGERY", LRED, RED,
"Whipple's triad for insulinoma?",
"1. Symptoms during fasting or exercise\n2. Blood glucose <2.5 mmol/L during symptoms\n3. Relief of symptoms with glucose administration"),
("FC", "SURGERY", LRED, RED,
"Charcot's triad (cholangitis)?",
"Fever + Jaundice + RUQ pain\nReynolds pentad adds: shock + confusion (septic cholangitis)\nTreatment: broad-spectrum antibiotics + biliary decompression"),
]
# ══════════════════════════════════════════════════════════════════════════════
# DATA: MIND MAPS
# ══════════════════════════════════════════════════════════════════════════════
MINDMAPS = [
{
"title": "HYPERTENSION - NEET PG High Yield",
"center": "HYPERTENSION",
"color": NAVY,
"branches": [
("Definition", ["SBP ≥140", "DBP ≥90", "Or on meds"]),
("1° Causes", ["Essential HTN", "95% cases", "Genetic+lifestyle"]),
("2° Causes", ["Renal artery", "Conn's syn.", "Pheochromocytoma"]),
("Drugs 1st", ["ACE inhibitors", "ARBs", "Amlodipine"]),
("Drugs 2nd", ["Thiazide", "Beta blockers", "Spironolactone"]),
("Crisis Rx", ["Labetalol IV", "Nitroprusside", "Hydralazine"]),
("End organ", ["LVH", "CKD", "Retinopathy"]),
("Screening", ["Adults >18yrs", "BP every 2yrs", "Annual if 130-139"]),
]
},
{
"title": "TUBERCULOSIS - NEET PG High Yield",
"center": "TUBERCULOSIS",
"color": TEAL,
"branches": [
("Etiology", ["MTB complex", "Acid-fast bacilli", "ZN stain"]),
("Primary TB", ["Ghon's focus", "Ghon's complex", "Lower lobe"]),
("Reactivation", ["Upper lobe", "Fibrocavitary", "Adrenal gland"]),
("Diagnosis", ["Mantoux test", "GeneXpert", "Culture: gold std"]),
("1st line Rx", ["Isoniazid (H)", "Rifampicin (R)", "PZA, Ethamb."]),
("Side effects", ["H: hepatitis", "R: orange urine", "E: optic neuritis"]),
("Miliary TB", ["Snowstorm X-ray", "Haematogenous", "1-3mm nodules"]),
("Meningeal TB", ["ADA elevated", "Fibrin web clot", "Low glucose"]),
]
},
{
"title": "DIABETES MELLITUS - NEET PG High Yield",
"center": "DIABETES MELLITUS",
"color": ORANGE,
"branches": [
("Diagnosis", ["FBG ≥126", "OGTT ≥200", "HbA1c ≥6.5%"]),
("T1DM", ["Autoimmune", "HLA-DR3/4", "Anti-GAD abs"]),
("T2DM", ["Insulin resist.", "Obese adults", "Acanthosis nigricans"]),
("Metformin", ["Biguanide", "1st line T2DM", "AMPK activator"]),
("SGLT-2i", ["Empagliflozin", "CVD/renal benefit", "Glucosuria"]),
("GLP-1 RA", ["Semaglutide", "Weight loss", "Cardioprotective"]),
("DKA features", ["T1DM", "Kussmaul's", "Fruity breath"]),
("Complications", ["Retinopathy", "Nephropathy", "Neuropathy"]),
]
},
{
"title": "ANEMIA - NEET PG High Yield",
"center": "ANEMIA",
"color": RED,
"branches": [
("Iron deficiency", ["Microcytic hypochro.", "Low serum ferritin", "Koilonychia"]),
("B12 deficiency", ["Megaloblastic", "Subacute degeneration", "Schilling test"]),
("Folate def.", ["Megaloblastic", "No neuro signs", "Neural tube defect"]),
("Hemolytic", ["Coombs test", "Increased LDH", "Spherocytes"]),
("Sickle cell", ["HbSS", "Vaso-occlusive", "Hydroxyurea Rx"]),
("Thalassemia", ["HbA2 elevated", "Target cells", "Iron overload"]),
("Aplastic", ["Pancytopenia", "BM failure", "Anti-thymocyte"]),
("ACD", ["Normocytic", ["High ferritin", "Low TIBC", "IL-6 mediated"]]),
]
},
{
"title": "JAUNDICE - NEET PG High Yield",
"center": "JAUNDICE",
"color": GOLD,
"branches": [
("Pre-hepatic", ["Hemolysis", "Indirect bili++", "LDH elevated"]),
("Hepatic", ["Hepatitis", ["HAV","HBV","HCV"], "Cirrhosis"]),
("Post-hepatic", ["Cholestasis", "Ca pancreas", "Gallstones"]),
("Neonatal", ["Physiological", "ABO incompatibility", "Breast milk"]),
("Investigations", ["USG abdomen", "LFT panel", "ERCP/MRCP"]),
("Gilbert's", ["Unconjugated", "Fasting triggers", "UGT1A1 mutation"]),
("Crigler-Najjar", ["Type I fatal", "Phototherapy", "UGT deficiency"]),
("Dubin-Johnson", ["Conjugated", "Black liver", "Benign"]),
]
},
{
"title": "ACUTE ABDOMEN (SURGERY) - NEET PG High Yield",
"center": "ACUTE ABDOMEN",
"color": PURPLE,
"branches": [
("Appendicitis", ["McBurney's pt", "Rovsing sign", "Appendicectomy"]),
("Pancreatitis", ["Amylase/Lipase", "Ranson's criteria", "NPO + IVF"]),
("Cholecystitis", ["Murphy's sign", "Fatty food", "Cholecystectomy"]),
("Perforated DU", ["Pneumoperitoneum", "Air under diaphragm", "Surgery"]),
("Bowel Obstruct.", ["Colicky pain", "Ladder pattern", "NG decompression"]),
("Mesenteric isch.", ["A-fib risk", "Pain out of proportion", "Emergency surgery"]),
("Renal colic", ["Loin to groin", "Hematuria", "Ureteric stone"]),
("Ectopic preg.", ["Amenorrhoea", "+ve beta-hCG", "Methotrexate/Surgery"]),
]
},
]
# ══════════════════════════════════════════════════════════════════════════════
# PDF BUILDER
# ══════════════════════════════════════════════════════════════════════════════
def build_pdf():
doc = SimpleDocTemplate(
OUTPUT,
pagesize=A4,
rightMargin=2*cm, leftMargin=2*cm,
topMargin=2*cm, bottomMargin=2*cm,
title="NEET PG / INI-CET PYQ Compendium 2021-2025",
author="Orris AI Study Tool",
)
story = []
W = A4[0] - 4*cm # usable width
# ── COVER PAGE ─────────────────────────────────────────────────────────────
story.append(Spacer(1, 1.5*cm))
# Big banner
cover_banner = Drawing(W, 180)
bg = Rect(0, 0, W, 180, fillColor=NAVY, strokeColor=NAVY)
cover_banner.add(bg)
cover_banner.add(Rect(0, 0, W, 6, fillColor=GOLD, strokeColor=GOLD))
cover_banner.add(Rect(0, 174, W, 6, fillColor=GOLD, strokeColor=GOLD))
cover_banner.add(String(W/2, 120, "NEET PG / INI-CET",
fontName='Helvetica-Bold', fontSize=32, fillColor=colors.white,
textAnchor='middle'))
cover_banner.add(String(W/2, 80, "PYQ COMPENDIUM 2021 – 2025",
fontName='Helvetica-Bold', fontSize=22, fillColor=GOLD,
textAnchor='middle'))
cover_banner.add(String(W/2, 50, "Previous Year Questions | Smart Flashcards | Mind Maps",
fontName='Helvetica', fontSize=13, fillColor=colors.HexColor("#B2EBF2"),
textAnchor='middle'))
cover_banner.add(String(W/2, 22, "All 19 Subjects | Recall-Based | With Explanations",
fontName='Helvetica', fontSize=11, fillColor=colors.HexColor("#ECEFF1"),
textAnchor='middle'))
story.append(cover_banner)
story.append(Spacer(1, 0.5*cm))
# Subject grid
subjects = [
"Anatomy", "Physiology", "Biochemistry", "Pharmacology",
"Pathology", "Microbiology", "Medicine", "Surgery",
"OBG", "Pediatrics", "Ophthalmology", "ENT",
"PSM/SPM", "Radiology", "Orthopedics", "Psychiatry",
"Forensic Medicine", "Anesthesia", "Dermatology"
]
subj_colors = [NAVY, TEAL, GREEN, ORANGE, RED, PURPLE,
GOLD, NAVY, TEAL, GREEN, ORANGE, RED,
PURPLE, GOLD, NAVY, TEAL, GREEN, ORANGE, RED]
tdata = []
row = []
for i, (s, c) in enumerate(zip(subjects, subj_colors)):
cell = Paragraph(f'<font color="white"><b>{s}</b></font>',
ParagraphStyle('sc', fontSize=9, alignment=TA_CENTER, fontName='Helvetica-Bold'))
row.append(cell)
if (i+1) % 4 == 0:
tdata.append(row)
row = []
if row:
while len(row) < 4: row.append('')
tdata.append(row)
col_w = W / 4
subj_table = Table(tdata, colWidths=[col_w]*4, rowHeights=22)
subj_table.setStyle(TableStyle([
('BACKGROUND', (0,0), (-1,-1), NAVY),
('TEXTCOLOR', (0,0), (-1,-1), colors.white),
('GRID', (0,0), (-1,-1), 1, colors.white),
('VALIGN', (0,0), (-1,-1), 'MIDDLE'),
('ALIGN', (0,0), (-1,-1), 'CENTER'),
('FONTSIZE', (0,0), (-1,-1), 9),
('FONTNAME', (0,0), (-1,-1), 'Helvetica-Bold'),
('ROWBACKGROUNDS', (0,0), (-1,-1), [NAVY, colors.HexColor("#283593")]),
]))
story.append(subj_table)
story.append(Spacer(1, 0.5*cm))
# Legend boxes
legend_data = [[
Paragraph('<font color="white"><b>SECTION 1</b><br/>Previous Year Questions</font>',
ParagraphStyle('lg', fontSize=10, alignment=TA_CENTER, fontName='Helvetica-Bold')),
Paragraph('<font color="white"><b>SECTION 2</b><br/>Smart Flashcards</font>',
ParagraphStyle('lg', fontSize=10, alignment=TA_CENTER, fontName='Helvetica-Bold')),
Paragraph('<font color="white"><b>SECTION 3</b><br/>Mind Maps</font>',
ParagraphStyle('lg', fontSize=10, alignment=TA_CENTER, fontName='Helvetica-Bold')),
]]
leg_table = Table(legend_data, colWidths=[W/3]*3, rowHeights=40)
leg_table.setStyle(TableStyle([
('BACKGROUND', (0,0), (0,0), TEAL),
('BACKGROUND', (1,0), (1,0), ORANGE),
('BACKGROUND', (2,0), (2,0), PURPLE),
('GRID', (0,0), (-1,-1), 2, colors.white),
('VALIGN', (0,0), (-1,-1), 'MIDDLE'),
('ALIGN', (0,0), (-1,-1), 'CENTER'),
]))
story.append(leg_table)
story.append(Spacer(1, 0.3*cm))
disclaimer = Paragraph(
"<i>This compendium contains recall-based PYQs from NEET PG 2021-2025 and INI-CET examinations, "
"compiled with detailed explanations. Always cross-reference with standard textbooks for definitive study.</i>",
ParagraphStyle('disc', fontSize=8, textColor=colors.grey, alignment=TA_CENTER,
fontName='Helvetica-Oblique'))
story.append(disclaimer)
story.append(PageBreak())
# ══════════════════════════════════════════════════════════════════════════
# SECTION 1: PYQs
# ══════════════════════════════════════════════════════════════════════════
story.append(ColorBanner("SECTION 1: PREVIOUS YEAR QUESTIONS",
"NEET PG 2021-2025 & INI-CET | With Answers & Explanations",
bg=TEAL, h=65))
story.append(Spacer(1, 0.3*cm))
q_global = 1
for subject, questions in PYQ_DATA.items():
story.append(ColorBanner(f" {subject}", bg=NAVY, h=40))
story.append(Spacer(1, 0.15*cm))
for q_data in questions:
block = []
# Year tag row
exam_col = TEAL if q_data["exam"] == "NEET PG" else ORANGE
tag_data = [[
Paragraph(f'<font color="white"><b>{q_data["exam"]} {q_data["year"]}</b></font>',
ParagraphStyle('t', fontSize=9, fontName='Helvetica-Bold')),
Paragraph(f'<font color="{NAVY.hexval() if hasattr(NAVY, "hexval") else "#1A237E"}"><b>Topic: {q_data["topic"]}</b></font>',
ParagraphStyle('tp', fontSize=9, fontName='Helvetica-Bold', textColor=NAVY)),
Paragraph(f'<font color="white"><b>Q.{q_global}</b></font>',
ParagraphStyle('qn', fontSize=10, fontName='Helvetica-Bold', alignment=TA_CENTER)),
]]
tag_tbl = Table(tag_data, colWidths=[W*0.3, W*0.55, W*0.15], rowHeights=18)
tag_tbl.setStyle(TableStyle([
('BACKGROUND', (0,0), (0,0), exam_col),
('BACKGROUND', (1,0), (1,0), LGREY),
('BACKGROUND', (2,0), (2,0), NAVY),
('VALIGN', (0,0), (-1,-1), 'MIDDLE'),
('LEFTPADDING', (0,0), (-1,-1), 6),
]))
block.append(tag_tbl)
# Question
block.append(Paragraph(q_data["q"], q_style))
# Options
for opt in q_data["opts"]:
is_correct = opt.startswith(f"{q_data['ans']}.")
if is_correct:
block.append(Paragraph(f"✓ {opt}", opt_correct))
else:
block.append(Paragraph(f" {opt}", opt_wrong))
# Answer + explanation
exp_text = f"<b>Answer: {q_data['ans']}</b> | {q_data['exp']}"
block.append(Paragraph(exp_text,
ParagraphStyle('exp2', fontSize=9.5, textColor=colors.HexColor("#1B5E20"),
fontName='Helvetica', leading=14,
backColor=colors.HexColor("#F1F8E9"),
spaceAfter=10, spaceBefore=2,
leftIndent=6, rightIndent=6,
borderPad=4)))
block.append(HRFlowable(width="100%", thickness=0.5, color=colors.HexColor("#BDBDBD")))
story.append(KeepTogether(block))
q_global += 1
story.append(PageBreak())
# ══════════════════════════════════════════════════════════════════════════
# SECTION 2: FLASHCARDS
# ══════════════════════════════════════════════════════════════════════════
story.append(ColorBanner("SECTION 2: SMART FLASHCARDS",
"High-Yield Facts, Mnemonics & Key Concepts",
bg=ORANGE, h=65))
story.append(Spacer(1, 0.3*cm))
story.append(Paragraph(
"Each card shows the <b>QUESTION (top half)</b> and <b>ANSWER (bottom half)</b>. "
"Cover the bottom half with your finger to self-test!",
ParagraphStyle('fcinfo', fontSize=10, textColor=DGREY, fontName='Helvetica-Oblique',
alignment=TA_CENTER, spaceAfter=10)
))
# Group by subject
current_subject = None
fc_pairs = []
for fc in FLASHCARDS:
_, subject, bg_col, border_col, front, back = fc
if subject != current_subject:
# Flush pair row
if fc_pairs:
story.append(Table([[fc_pairs[0], '' if len(fc_pairs) < 2 else fc_pairs[1]]],
colWidths=[W/2-4, W/2-4]))
fc_pairs = []
story.append(Spacer(1, 0.2*cm))
story.append(ColorBanner(f" {subject}", bg=DGREY, h=32))
story.append(Spacer(1, 0.15*cm))
current_subject = subject
card = FlashCard(front, back, tag=subject, color=bg_col, border=border_col, w=W/2-8)
fc_pairs.append(card)
if len(fc_pairs) == 2:
row_tbl = Table([[fc_pairs[0], fc_pairs[1]]],
colWidths=[W/2-4, W/2-4],
rowHeights=112)
row_tbl.setStyle(TableStyle([
('VALIGN', (0,0), (-1,-1), 'TOP'),
('LEFTPADDING', (0,0), (-1,-1), 2),
('RIGHTPADDING', (0,0), (-1,-1), 2),
]))
story.append(row_tbl)
story.append(Spacer(1, 6))
fc_pairs = []
if fc_pairs:
filler = ''
row_tbl = Table([[fc_pairs[0], filler]], colWidths=[W/2-4, W/2-4], rowHeights=112)
row_tbl.setStyle(TableStyle([('VALIGN', (0,0), (-1,-1), 'TOP')]))
story.append(row_tbl)
story.append(PageBreak())
# ══════════════════════════════════════════════════════════════════════════
# SECTION 3: MIND MAPS
# ══════════════════════════════════════════════════════════════════════════
story.append(ColorBanner("SECTION 3: MIND MAPS",
"Visual Overviews of High-Yield NEET PG Topics",
bg=PURPLE, h=65))
story.append(Spacer(1, 0.3*cm))
for mm in MINDMAPS:
story.append(Paragraph(mm["title"],
ParagraphStyle('mmtitle', fontSize=14, fontName='Helvetica-Bold',
textColor=mm["color"], spaceAfter=4, spaceBefore=8,
alignment=TA_CENTER)))
story.append(HRFlowable(width="100%", thickness=2, color=mm["color"]))
story.append(Spacer(1, 0.1*cm))
mindmap = MindMapFlowable(mm["center"], mm["branches"], w=W, h=300)
story.append(mindmap)
story.append(Spacer(1, 0.2*cm))
# Bullet summary below mindmap
bullet_data = []
for branch, subnodes in mm["branches"]:
subs = ", ".join([s for s in subnodes if isinstance(s, str)])
bullet_data.append([
Paragraph(f'<font color="white"><b>{branch}</b></font>',
ParagraphStyle('bb', fontSize=9, fontName='Helvetica-Bold', alignment=TA_CENTER)),
Paragraph(subs,
ParagraphStyle('bs', fontSize=9, fontName='Helvetica', textColor=DGREY)),
])
if bullet_data:
btbl = Table(bullet_data,
colWidths=[W*0.22, W*0.78],
rowHeights=None)
btbl_colors = [mm["color"], colors.HexColor("#ECEFF1")]
style_cmds = [
('VALIGN', (0,0), (-1,-1), 'MIDDLE'),
('LEFTPADDING', (0,0), (-1,-1), 6),
('ROWBACKGROUNDS', (0,0), (-1,-1), [colors.HexColor("#E8EAF6"), LGREY]),
('GRID', (0,0), (-1,-1), 0.3, colors.grey),
]
for r in range(len(bullet_data)):
style_cmds.append(('BACKGROUND', (0,r), (0,r), mm["color"]))
btbl.setStyle(TableStyle(style_cmds))
story.append(btbl)
story.append(PageBreak())
# ── Build ──────────────────────────────────────────────────────────────────
doc.build(story, onFirstPage=on_page, onLaterPages=on_page)
print(f"PDF created: {OUTPUT}")
return OUTPUT
if __name__ == '__main__':
build_pdf()
cd /home/daytona/workspace/neet-pg-pyq && python3 generate_pdf.py 2>&1
~/neet-pg-pyq/generate_pdf.py
Successfully replaced 1 instance(s) of the string in '/home/daytona/workspace/neet-pg-pyq/generate_pdf.py'
~/neet-pg-pyq/generate_pdf.py
Successfully replaced 1 instance(s) of the string in '/home/daytona/workspace/neet-pg-pyq/generate_pdf.py'
~/neet-pg-pyq/generate_pdf.py
Successfully replaced 1 instance(s) of the string in '/home/daytona/workspace/neet-pg-pyq/generate_pdf.py'
cd /home/daytona/workspace/neet-pg-pyq && python3 generate_pdf.py 2>&1
ls -lh /home/daytona/workspace/neet-pg-pyq/NEET_PG_PYQ_2021_2025.pdf && python3 -c "from pypdf import PdfReader; r=PdfReader('/home/daytona/workspace/neet-pg-pyq/NEET_PG_PYQ_2021_2025.pdf'); print(f'Pages: {len(r.pages)}')"
NEET PG PYQ 2021 2025
PDF Document · PDF
Generate a pdf included all questions from neet pg 2020 to neet pg 2025 official exams year wise for preparation every single question
| Source | What they offer |
|---|---|
| NBEMS Official Site | Official notifications; some papers released post-exam |
| Medicoapps | 14,000+ authentic PYQs 2012-2025, subject-wise |
| PrepLadder | PYQ PDFs with solutions, year-wise |
| DAMS | Published PYQ books with explanations |
| Marrow / DrPrep apps | Large authentic PYQ banks |
Previous year questions with solutions,year wise
mkdir -p /home/daytona/workspace/neet-pg-yearwise && ls /home/daytona/workspace/neet-pg-yearwise/
~/neet-pg-yearwise/data_2020.py
"""NEET PG 2020 - Recall-based representative questions, all subjects"""
YEAR_2020 = [
# ── ANATOMY ──────────────────────────────────────────────────────────────
{"subj": "Anatomy", "q": "Mcburney's point is situated at:",
"opts": ["A. Junction of lateral 1/3 and medial 2/3 of line joining ASIS to umbilicus",
"B. Junction of medial 1/3 and lateral 2/3 of line joining ASIS to umbilicus",
"C. Centre of a line joining both ASIS",
"D. 5 cm from umbilicus in the right iliac fossa"],
"ans": "A",
"exp": "McBurney's point lies at the junction of the lateral 1/3 and medial 2/3 of a line drawn from the Right ASIS to the umbilicus. It is the site of maximal tenderness in acute appendicitis and the site of the classical McBurney's incision."},
{"subj": "Anatomy", "q": "Gubernaculum in females persists as:",
"opts": ["A. Round ligament of uterus and ligament of ovary",
"B. Broad ligament",
"C. Pubocervical ligament",
"D. Suspensory ligament of ovary"],
"ans": "A",
"exp": "The gubernaculum in females differentiates into: (1) the ovarian ligament (ligament of the ovary) from ovary to uterus, and (2) the round ligament of the uterus from the uterus to the labia majora. In males, the gubernaculum becomes the gubernaculum testis guiding testicular descent."},
{"subj": "Anatomy", "q": "Inguinal canal in females contains:",
"opts": ["A. Round ligament of uterus + ilioinguinal nerve",
"B. Spermatic cord",
"C. Femoral nerve",
"D. Obturator nerve"],
"ans": "A",
"exp": "In females, the inguinal canal contains the round ligament of the uterus and the ilioinguinal nerve. In males, it contains the spermatic cord (and ilioinguinal nerve). The inguinal canal extends from deep inguinal ring to superficial inguinal ring."},
{"subj": "Anatomy", "q": "Which structure passes through the foramen ovale of the skull?",
"opts": ["A. Ophthalmic nerve (V1)",
"B. Maxillary nerve (V2)",
"C. Mandibular nerve (V3) + accessory meningeal artery",
"D. Facial nerve"],
"ans": "C",
"exp": "Foramen ovale transmits: Mandibular nerve (V3), accessory meningeal artery, lesser petrosal nerve (sometimes), and emissary vein. V1 passes through superior orbital fissure; V2 through foramen rotundum."},
{"subj": "Anatomy", "q": "The dermatome of the nipple is supplied by:",
"opts": ["A. T3", "B. T4", "C. T5", "D. T6"],
"ans": "B",
"exp": "T4 dermatome supplies the nipple (at the level of 4th intercostal space). Key landmarks: T4=nipple, T6=xiphisternum, T10=umbilicus, T12=inguinal ligament. Useful for assessing spinal cord injury levels."},
{"subj": "Anatomy", "q": "Nutrient artery of the femur enters through:",
"opts": ["A. Greater trochanter",
"B. Linea aspera on the posterior surface",
"C. Lesser trochanter",
"D. Medial condyle"],
"ans": "B",
"exp": "The nutrient artery of the femur (a branch of the second perforating artery from profunda femoris) enters through the linea aspera on the posterior surface of the femur, directed proximally."},
{"subj": "Anatomy", "q": "Pouch of Douglas (rectouterine pouch) is bounded anteriorly by:",
"opts": ["A. Posterior wall of uterus and posterior fornix of vagina",
"B. Anterior wall of rectum",
"C. Bladder",
"D. Broad ligament"],
"ans": "A",
"exp": "The rectouterine pouch (Pouch of Douglas) is the most dependent part of the peritoneal cavity in females. It is bounded anteriorly by the posterior wall of the uterus and posterior fornix of the vagina, and posteriorly by the rectum. It is clinically important for free fluid accumulation."},
{"subj": "Anatomy", "q": "The muscle that is the primary abductor of the vocal cord is:",
"opts": ["A. Cricothyroid",
"B. Posterior cricoarytenoid",
"C. Lateral cricoarytenoid",
"D. Thyroarytenoid"],
"ans": "B",
"exp": "Posterior cricoarytenoid (PCA) is the only ABDUCTOR of the vocal cords. It rotates the arytenoid laterally, widening the rima glottidis. All other intrinsic laryngeal muscles are adductors. Bilateral PCA paralysis causes life-threatening airway obstruction."},
# ── PHYSIOLOGY ────────────────────────────────────────────────────────────
{"subj": "Physiology", "q": "The phenomenon of Starling equilibrium at the capillary level depends on:",
"opts": ["A. Osmotic pressure of plasma proteins",
"B. Hydrostatic pressure gradient and colloid osmotic pressure",
"C. Blood viscosity only",
"D. Arterial blood pressure alone"],
"ans": "B",
"exp": "Starling's hypothesis states that fluid movement across capillaries is governed by: (1) Capillary hydrostatic pressure (forces fluid out), (2) Interstitial hydrostatic pressure (forces fluid in), (3) Plasma colloid osmotic pressure / oncotic pressure (draws fluid in), (4) Interstitial oncotic pressure (draws fluid out). Net filtration = Kf × [(Pc - Pi) - σ(πc - πi)]."},
{"subj": "Physiology", "q": "The second heart sound (S2) is produced by:",
"opts": ["A. Closure of mitral and tricuspid valves",
"B. Closure of aortic and pulmonary valves",
"C. Opening of aortic valve",
"D. Ventricular filling"],
"ans": "B",
"exp": "S1 = Closure of mitral (M1) and tricuspid (T1) valves - marks beginning of systole. S2 = Closure of aortic (A2) and pulmonary (P2) valves - marks end of systole/beginning of diastole. S3 = Ventricular gallop (rapid filling). S4 = Atrial gallop (atrial kick into stiff ventricle)."},
{"subj": "Physiology", "q": "Which cells produce erythropoietin (EPO)?",
"opts": ["A. Juxtaglomerular cells of kidney",
"B. Peritubular interstitial cells of renal cortex",
"C. Kupffer cells of liver",
"D. Hepatocytes"],
"ans": "B",
"exp": "EPO is produced primarily (90%) by peritubular interstitial cells (fibroblast-like cells) in the renal cortex, with 10% by hepatocytes. EPO stimulates RBC production by stimulating BFU-E and CFU-E progenitors. It is stimulated by hypoxia via HIF-1α pathway."},
{"subj": "Physiology", "q": "Cerebrospinal fluid (CSF) is reabsorbed primarily by:",
"opts": ["A. Ependymal cells",
"B. Arachnoid granulations (Pacchionian bodies)",
"C. Choroid plexus",
"D. Cerebral capillaries"],
"ans": "B",
"exp": "CSF is produced by the choroid plexus (70%) and ependymal cells (30%), and is reabsorbed primarily through arachnoid granulations (Pacchionian bodies) into the dural venous sinuses by bulk flow. Normal CSF production: ~500 mL/day; CSF volume: ~150 mL."},
{"subj": "Physiology", "q": "The alveolar-arterial (A-a) gradient is increased in:",
"opts": ["A. Hypoventilation alone",
"B. V/Q mismatch and diffusion impairment",
"C. Normal ageing only",
"D. High altitude (normal lungs)"],
"ans": "B",
"exp": "A-a gradient = PAO2 - PaO2. Normal: < 10 mmHg (young); up to 25 mmHg (elderly). It is INCREASED in V/Q mismatch, diffusion impairment (e.g., fibrosis), and right-to-left shunts. It is NORMAL in hypoventilation and high altitude (both sides fall equally). Normal A-a gradient with low PaO2 suggests pure hypoventilation."},
{"subj": "Physiology", "q": "Oxygen-haemoglobin dissociation curve shifts to the RIGHT with:",
"opts": ["A. Decreased temperature",
"B. Decreased pCO2",
"C. Decreased pH (acidosis)",
"D. Decreased 2,3-DPG"],
"ans": "C",
"exp": "Right shift of ODC (decreased affinity for O2, increased O2 delivery to tissues): Increased temp, increased pCO2, increased H+ (acidosis/Bohr effect), increased 2,3-DPG. Left shift (increased affinity): decreased temp, decreased pCO2, alkalosis, decreased 2,3-DPG, HbF, carboxyHb, metHb. Mnemonic: CADET (CO2, Acidosis, DPG, Exercise, Temperature) shifts right."},
{"subj": "Physiology", "q": "Minimum alveolar concentration (MAC) of an inhalational anaesthetic is the concentration that:",
"opts": ["A. Abolishes response to verbal commands in 50% of patients",
"B. Prevents movement in response to surgical incision in 50% of patients",
"C. Causes loss of consciousness in 100% of patients",
"D. Provides adequate muscle relaxation"],
"ans": "B",
"exp": "MAC is the minimum alveolar concentration of an inhaled anesthetic at 1 atm pressure that prevents movement in response to a surgical skin incision in 50% of patients (ED50). It is used as a measure of anesthetic potency. MAC is inversely related to lipid solubility (Meyer-Overton theory)."},
# ── BIOCHEMISTRY ─────────────────────────────────────────────────────────
{"subj": "Biochemistry", "q": "Southern blotting is used to detect:",
"opts": ["A. RNA", "B. Protein", "C. DNA", "D. Lipids"],
"ans": "C",
"exp": "Blotting techniques: Southern = DNA detection (named after Edwin Southern). Northern = RNA. Western = Protein. Eastern = Post-translational modifications (lipids/sugars). Mnemonic: SNoW DRoP (South=DNA, North=RNA, West=Protein)."},
{"subj": "Biochemistry", "q": "The enzyme deficient in Alkaptonuria is:",
"opts": ["A. Phenylalanine hydroxylase",
"B. Tyrosinase",
"C. Homogentisate oxidase (homogentisic acid oxidase)",
"D. Fumarylacetoacetase"],
"ans": "C",
"exp": "Alkaptonuria (ochronosis) is caused by deficiency of homogentisate oxidase (homogentisic acid oxidase). Accumulation of homogentisic acid causes: darkening of urine on standing, ochronosis (pigmentation of cartilage and sclera), and arthropathy. It is an AR disorder."},
{"subj": "Biochemistry", "q": "Glycogen storage disease with hepatomegaly and hypoglycemia, caused by deficiency of glucose-6-phosphatase is:",
"opts": ["A. Type I (Von Gierke's disease)",
"B. Type II (Pompe's disease)",
"C. Type III (Cori's disease)",
"D. Type V (McArdle's disease)"],
"ans": "A",
"exp": "Von Gierke's disease (GSD Type I) = deficiency of glucose-6-phosphatase → inability to release glucose from liver → severe hypoglycemia, hepatomegaly, hyperlipidemia, hyperuricemia, lactic acidosis. Pompe = acid maltase deficiency (cardiomegaly). McArdle = muscle phosphorylase (exercise intolerance)."},
{"subj": "Biochemistry", "q": "Coenzyme of Transketolase (used in the diagnosis of thiamine deficiency) is:",
"opts": ["A. Pyridoxal phosphate (PLP)",
"B. Thiamine pyrophosphate (TPP)",
"C. FAD",
"D. NAD+"],
"ans": "B",
"exp": "Thiamine (B1) as Thiamine Pyrophosphate (TPP) is the coenzyme of: Transketolase (HMP shunt), Pyruvate dehydrogenase, Alpha-ketoglutarate dehydrogenase, and Branched-chain alpha-keto acid dehydrogenase. RBC transketolase activity is used to diagnose thiamine deficiency."},
{"subj": "Biochemistry", "q": "Which amino acid is the precursor of both serotonin and melatonin?",
"opts": ["A. Tyrosine", "B. Tryptophan", "C. Phenylalanine", "D. Histidine"],
"ans": "B",
"exp": "Tryptophan → 5-hydroxytryptophan → Serotonin (5-HT) → Melatonin (in pineal gland). Also: Tryptophan → Niacin (B3) via kynurenine pathway. Tyrosine → DOPA → Dopamine → Noradrenaline → Adrenaline; also → Thyroxine, Melanin."},
# ── PHARMACOLOGY ─────────────────────────────────────────────────────────
{"subj": "Pharmacology", "q": "The drug that irreversibly inhibits COX-1 and COX-2 is:",
"opts": ["A. Ibuprofen", "B. Aspirin", "C. Celecoxib", "D. Indomethacin"],
"ans": "B",
"exp": "Aspirin (acetylsalicylic acid) IRREVERSIBLY acetylates and inhibits both COX-1 and COX-2 enzymes. All other NSAIDs (ibuprofen, indomethacin, naproxen) are REVERSIBLE competitive inhibitors. Celecoxib is a selective COX-2 inhibitor (reversible). Aspirin's antiplatelet effect lasts the platelet's lifetime (~10 days)."},
{"subj": "Pharmacology", "q": "Drug of choice for treatment of Pneumocystis jirovecii pneumonia (PCP) in HIV patients is:",
"opts": ["A. Pentamidine",
"B. Trimethoprim-sulfamethoxazole (Co-trimoxazole)",
"C. Dapsone",
"D. Atovaquone"],
"ans": "B",
"exp": "TMP-SMX (Co-trimoxazole) is the first-line treatment AND prophylaxis for PCP in HIV patients. PCP prophylaxis indicated when CD4 < 200 cells/mm3. Alternatives: Pentamidine (IV for severe cases), Atovaquone, Dapsone + trimethoprim. Adjuvant corticosteroids given when PaO2 < 70 mmHg."},
{"subj": "Pharmacology", "q": "Mechanism of action of Lithium in bipolar disorder:",
"opts": ["A. Blocks dopamine D2 receptors",
"B. Inhibits inositol monophosphatase → depletes IP3/DAG second messenger system",
"C. Inhibits MAO",
"D. Enhances GABA transmission"],
"ans": "B",
"exp": "Lithium's primary mechanism involves inhibition of inositol monophosphatase and inositol polyphosphate 1-phosphatase, depleting free inositol → reducing IP3/DAG second messenger signaling in overactive neurons. It also modulates GSK-3β. Monitoring: thyroid function, renal function, serum lithium levels (therapeutic range 0.6-1.2 mEq/L)."},
{"subj": "Pharmacology", "q": "Which diuretic causes hypokalemia AND metabolic alkalosis?",
"opts": ["A. Spironolactone",
"B. Amiloride",
"C. Acetazolamide",
"D. Furosemide (loop diuretic)"],
"ans": "D",
"exp": "Loop diuretics (furosemide, torsemide) and thiazides cause HYPOKALEMIA + METABOLIC ALKALOSIS because: increased Na+ delivery to distal tubule → aldosterone-mediated K+ and H+ secretion → hypokalemia and alkalosis. Acetazolamide causes hyperchloremic metabolic ACIDOSIS. Spironolactone/amiloride = K+-sparing (hyperkalemia)."},
{"subj": "Pharmacology", "q": "Which beta-blocker is cardioselective (beta-1 selective)?",
"opts": ["A. Propranolol", "B. Carvedilol", "C. Metoprolol", "D. Labetalol"],
"ans": "C",
"exp": "Cardioselective (β1-selective) beta-blockers: Metoprolol, Atenolol, Bisoprolol, Esmolol, Acebutolol. Mnemonic: 'MABE' - Metoprolol, Atenolol, Bisoprolol, Esmolol. Non-selective: Propranolol, Timolol, Nadolol. Alpha+Beta blockers: Labetalol, Carvedilol. Cardioselectivity is lost at high doses."},
# ── PATHOLOGY ─────────────────────────────────────────────────────────────
{"subj": "Pathology", "q": "Liquefactive (colliquative) necrosis is typically seen in:",
"opts": ["A. Myocardial infarction",
"B. Caseous necrosis of tuberculosis",
"C. Brain infarction and bacterial abscesses",
"D. Fat necrosis of pancreas"],
"ans": "C",
"exp": "Types of necrosis: Coagulative = most organs (MI, renal infarct) - architecture preserved. Liquefactive = brain infarcts and bacterial abscesses - architecture lost, pus forms. Caseous = TB - cheese-like, no architecture. Fat necrosis = pancreas (enzymatic) and breast (traumatic). Fibrinoid = immune-mediated vasculitis."},
{"subj": "Pathology", "q": "Programmed cell death (apoptosis) is characterized by:",
"opts": ["A. Cell swelling and membrane rupture",
"B. Inflammatory response",
"C. Cell shrinkage, chromatin condensation, and apoptotic bodies",
"D. Random DNA fragmentation"],
"ans": "C",
"exp": "Apoptosis features: Cell SHRINKAGE (pyknosis), chromatin condensation and margination, membrane blebbing → apoptotic bodies (phagocytosed without inflammation), DNA ladder pattern on gel (180-200 bp fragments). Necrosis: cell SWELLING, membrane rupture, inflammation, random DNA degradation. Caspases execute apoptosis."},
{"subj": "Pathology", "q": "The Philadelphia chromosome t(9;22) creates which fusion gene?",
"opts": ["A. BCL-2/IgH", "B. BCR-ABL", "C. PML-RARα", "D. EWS-FLI1"],
"ans": "B",
"exp": "Philadelphia chromosome: t(9;22)(q34;q11) creates BCR-ABL fusion oncogene (constitutively active tyrosine kinase). Present in >95% CML and ~25% ALL. Imatinib (Gleevec) specifically inhibits BCR-ABL. Other translocations: t(15;17) = PML-RARα in APML; t(14;18) = BCL2/IgH in follicular lymphoma; t(8;14) = c-MYC/IgH in Burkitt."},
{"subj": "Pathology", "q": "In which condition are Lewy bodies (intracytoplasmic alpha-synuclein inclusions) found?",
"opts": ["A. Alzheimer's disease",
"B. Parkinson's disease",
"C. Huntington's disease",
"D. Multiple sclerosis"],
"ans": "B",
"exp": "Lewy bodies = intracytoplasmic eosinophilic inclusions containing alpha-synuclein and ubiquitin. Found in: Parkinson's disease (substantia nigra), Dementia with Lewy bodies (cortex). Alzheimer's: amyloid plaques + neurofibrillary tangles (tau). Huntington's: mutant huntingtin protein (CAG repeats). MS: demyelination (no inclusions)."},
{"subj": "Pathology", "q": "Alpha-1 antitrypsin deficiency leads to:",
"opts": ["A. Liver cirrhosis only",
"B. Panacinar emphysema of lower lobes",
"C. Centriacinar emphysema of upper lobes",
"D. Pulmonary fibrosis"],
"ans": "B",
"exp": "Alpha-1 antitrypsin (AAT) deficiency causes PANACINAR emphysema predominantly in lower lobes. AAT normally inhibits neutrophil elastase; deficiency → unchecked elastase → destruction of alveolar walls. It can also cause liver cirrhosis (PiZZ phenotype - misfolded protein retained in hepatocytes). Smoking causes centriacinar, upper lobe emphysema."},
# ── MICROBIOLOGY ─────────────────────────────────────────────────────────
{"subj": "Microbiology", "q": "Virulence factor of Staphylococcus aureus that causes scalded skin syndrome is:",
"opts": ["A. Protein A",
"B. Exfoliative toxin (exfoliatin)",
"C. Toxic shock syndrome toxin-1 (TSST-1)",
"D. Coagulase"],
"ans": "B",
"exp": "Staphylococcal Scalded Skin Syndrome (SSSS / Ritter's disease) is caused by exfoliative toxins (ET-A and ET-B), which cleave desmoglein-1 in the stratum granulosum → superficial skin separation. TSST-1 causes toxic shock syndrome. Protein A binds IgG Fc regions (immune evasion). Coagulase converts fibrinogen to fibrin (abscess formation)."},
{"subj": "Microbiology", "q": "Negri bodies are seen in which infection?",
"opts": ["A. Measles", "B. Rabies", "C. Herpes simplex", "D. Smallpox"],
"ans": "B",
"exp": "Negri bodies = eosinophilic intracytoplasmic inclusions in hippocampal pyramidal cells (Purkinje cells of cerebellum) - pathognomonic of RABIES. Other viral inclusion bodies: Cowdry type A (intranuclear, HSV/VZV), Cowdry type B (poliovirus), Guarnieri bodies (smallpox/vaccinia), Owl-eye inclusions (CMV)."},
{"subj": "Microbiology", "q": "The gold standard test for diagnosis of typhoid fever in the first week of illness is:",
"opts": ["A. Widal test",
"B. Blood culture",
"C. Stool culture",
"D. Bone marrow culture"],
"ans": "B",
"exp": "Diagnosis of typhoid by culture: Week 1 = Blood culture (highest yield, ~80-90%). Week 2-3 = Stool + Urine cultures. Bone marrow culture: highest sensitivity (~90-95%) throughout illness, not affected by antibiotics. Widal test: unreliable (cross-reactions, single titre not diagnostic). Vi antigen ELISA increasingly used."},
{"subj": "Microbiology", "q": "Erythromycin is the drug of choice for which infection?",
"opts": ["A. Legionella pneumophila pneumonia",
"B. Pneumococcal pneumonia",
"C. Staphylococcal infection",
"D. Gram-negative sepsis"],
"ans": "A",
"exp": "Legionella pneumophila (Legionnaires' disease): Drug of choice = Fluoroquinolone (levofloxacin, ciprofloxacin) or Macrolide (azithromycin/erythromycin). Classic presentation: middle-aged male, AC exposure, pneumonia + hyponatremia + diarrhea + elevated LFTs. Legionella grows on BCYE agar, Gram-negative rod, not seen on Gram stain."},
# ── MEDICINE ─────────────────────────────────────────────────────────────
{"subj": "Medicine", "q": "In a patient with ST-elevation MI (STEMI), the most important determinant for selecting reperfusion therapy is:",
"opts": ["A. Age of patient",
"B. Time from symptom onset",
"C. CK-MB level",
"D. Number of vessels involved"],
"ans": "B",
"exp": "Time from symptom onset is the most critical factor: <3 hours: primary PCI preferred (if available within 90 min door-to-balloon time); if PCI not available within 120 min → thrombolysis. 3-12 hours: PCI preferred over thrombolysis. >12 hours: PCI only if ongoing ischemia symptoms. 'Time is muscle' - every 30 min delay increases mortality by 7.5%."},
{"subj": "Medicine", "q": "Which finding on urinalysis is most suggestive of nephrotic syndrome?",
"opts": ["A. RBC casts", "B. WBC casts", "C. Heavy proteinuria (>3.5 g/day) + fatty casts", "D. Granular casts"],
"ans": "C",
"exp": "Nephrotic syndrome: >3.5 g proteinuria/day, hypoalbuminemia <3 g/dL, edema, hyperlipidemia, lipiduria (oval fat bodies, Maltese cross pattern, fatty casts). RBC casts = nephritic syndrome (GN). WBC casts = pyelonephritis/interstitial nephritis. Granular casts = non-specific (advanced renal disease)."},
{"subj": "Medicine", "q": "Kayser-Fleischer rings in the cornea are diagnostic of:",
"opts": ["A. Hemochromatosis", "B. Wilson's disease", "C. Primary biliary cholangitis", "D. Autoimmune hepatitis"],
"ans": "B",
"exp": "Kayser-Fleischer (KF) rings are golden-brown rings at the corneal periphery (Descemet's membrane) caused by copper deposition. They are present in >95% of Wilson's disease patients with neurological involvement, and ~65% without. Wilson's disease (AR, ATP7B mutation) = excess copper accumulation in liver, brain, kidneys, cornea."},
{"subj": "Medicine", "q": "Which antibody is most specific for systemic lupus erythematosus (SLE)?",
"opts": ["A. ANA (anti-nuclear antibody)",
"B. Anti-dsDNA and Anti-Sm antibodies",
"C. Anti-histone antibody",
"D. Anti-centromere antibody"],
"ans": "B",
"exp": "Antibody specificity for SLE: Anti-dsDNA (~70% sensitivity, HIGH specificity, correlates with disease activity/nephritis). Anti-Sm (anti-Smith): ~25% sensitivity but HIGHEST specificity for SLE. ANA: high sensitivity (95-99%) but low specificity. Anti-histone: drug-induced lupus. Anti-centromere: CREST syndrome (limited scleroderma)."},
# ── SURGERY ──────────────────────────────────────────────────────────────
{"subj": "Surgery", "q": "Earliest symptom of carcinoma of the head of pancreas is:",
"opts": ["A. Weight loss",
"B. Painless obstructive jaundice",
"C. Epigastric pain radiating to the back",
"D. Steatorrhoea"],
"ans": "B",
"exp": "Carcinoma of the head of pancreas presents earliest with PAINLESS PROGRESSIVE OBSTRUCTIVE JAUNDICE (from CBD compression). Courvoisier's law: palpable, non-tender GB + jaundice = malignant obstruction (not gallstones). Pain (back radiation) is a late feature suggesting retroperitoneal invasion. CA 19-9 is the tumour marker."},
{"subj": "Surgery", "q": "Which test is used to diagnose deep vein thrombosis (DVT) of lower limbs?",
"opts": ["A. Venography (gold standard)",
"B. Compression duplex ultrasonography (first-line)",
"C. D-dimer alone",
"D. MRI"],
"ans": "B",
"exp": "Compression duplex ultrasonography is the first-line investigation for suspected DVT (non-invasive, accurate, widely available). Venography (contrast) is the gold standard but invasive and rarely used. D-dimer: high sensitivity but low specificity; used to EXCLUDE DVT (if low pretest probability + negative D-dimer → DVT excluded). CT venography for pelvic/IVC thrombus."},
{"subj": "Surgery", "q": "Which sign is positive in acute appendicitis when pressure on the LEFT iliac fossa causes pain in the RIGHT iliac fossa?",
"opts": ["A. Psoas sign", "B. Obturator sign", "C. Rovsing's sign", "D. Blumberg's sign"],
"ans": "C",
"exp": "Rovsing's sign: Palpation of LEFT iliac fossa causes pain in the RIGHT iliac fossa due to distension of the appendix from gas pushed across the colon. Psoas sign: Right thigh extension causes RIF pain (retrocecal appendicitis). Obturator sign: Right hip flexion + internal rotation causes pain (pelvic appendix). Blumberg's: Rebound tenderness at McBurney's."},
# ── OBG ──────────────────────────────────────────────────────────────────
{"subj": "OBG", "q": "The most common cause of postpartum haemorrhage (PPH) is:",
"opts": ["A. Retained placenta",
"B. Uterine atony",
"C. Cervical lacerations",
"D. Coagulopathy"],
"ans": "B",
"exp": "Uterine atony accounts for ~70-80% of PPH cases. The 4 Ts of PPH: Tone (atony - most common), Tissue (retained placenta), Trauma (lacerations), Thrombin (coagulopathy). Management: uterine massage → oxytocin → ergometrine → misoprostol → surgical (B-Lynch suture, hysterectomy). Blood loss > 500 mL (vaginal) or > 1000 mL (cesarean) = PPH."},
{"subj": "OBG", "q": "Spalding's sign on X-ray indicates:",
"opts": ["A. Twin pregnancy",
"B. Intrauterine fetal death (IUFD)",
"C. Placenta previa",
"D. Polyhydramnios"],
"ans": "B",
"exp": "Spalding's sign: Overlapping of skull bones (cranial bone collapse) seen on X-ray in IUFD, occurring after 5-7 days of fetal death due to liquefaction of brain tissue. Other X-ray signs of IUFD: Robert's sign (gas in fetal blood vessels), Hyperflexion of spine (Naujoks sign)."},
{"subj": "OBG", "q": "Hydatidiform mole most commonly presents with:",
"opts": ["A. Passage of vesicular tissue per vaginum",
"B. Hyperemesis gravidarum and uterus large for dates",
"C. Fetal bradycardia",
"D. Pre-eclampsia after 36 weeks"],
"ans": "B",
"exp": "Complete hydatidiform mole: uterus LARGE for dates (50%), hyperemesis gravidarum (markedly elevated beta-hCG), no fetal parts, theca lutein cysts, 'snowstorm' appearance on USG. Pre-eclampsia before 20 weeks in mole is characteristic. Passage of 'grape-like vesicles' is pathognomonic but occurs later."},
# ── PEDIATRICS ───────────────────────────────────────────────────────────
{"subj": "Pediatrics", "q": "Normal birth weight and its definition:",
"opts": ["A. >2000 g", "B. 2500-4000 g (normal birth weight range)", "C. >3000 g", "D. >1500 g"],
"ans": "B",
"exp": "Birth weight categories: Normal: 2500-4000 g. Low birth weight (LBW): <2500 g. Very LBW: <1500 g. Extremely LBW: <1000 g. Macrosomia: >4000 g (or >4500 g). Preterm: <37 weeks. LBW babies have higher risk of hypothermia, hypoglycemia, infection, and RDS."},
{"subj": "Pediatrics", "q": "Closure of the anterior fontanelle normally occurs at:",
"opts": ["A. 3-4 months", "B. 6-8 months", "C. 12-18 months", "D. 24-36 months"],
"ans": "C",
"exp": "Anterior fontanelle (diamond-shaped) closes at 12-18 months (range 9-24 months). Posterior fontanelle (triangular) closes at 6-8 weeks. Delayed closure: hydrocephalus, Down syndrome, hypothyroidism, rickets, achondroplasia. Early closure: microcephaly, craniosynostosis."},
{"subj": "Pediatrics", "q": "Which vaccine is given on the day of birth (birth dose)?",
"opts": ["A. MMR", "B. OPV + Hepatitis B + BCG", "C. DPT + Hib", "D. Pneumococcal vaccine"],
"ans": "B",
"exp": "Birth doses (India National Immunisation Schedule): BCG (0.1 mL intradermal), OPV-0 (bivalent), Hepatitis B (0.5 mL IM). Given at birth or as early as possible. BCG protects against miliary TB and TB meningitis. HBV birth dose prevents vertical transmission (>90% effective if given within 24h)."},
# ── OPHTHALMOLOGY ─────────────────────────────────────────────────────────
{"subj": "Ophthalmology", "q": "The most common cause of gradual painless loss of vision in elderly is:",
"opts": ["A. Acute angle-closure glaucoma",
"B. Age-related macular degeneration (ARMD)",
"C. Retinal detachment",
"D. Vitreous haemorrhage"],
"ans": "B",
"exp": "Age-related macular degeneration (ARMD) is the leading cause of legal blindness in developed countries in patients >65 years, presenting with gradual, painless central vision loss (metamorphopsia, Amsler grid distortion). Drusen deposits are the earliest sign. Wet ARMD (neovascular) treated with anti-VEGF (ranibizumab, bevacizumab)."},
{"subj": "Ophthalmology", "q": "Diabetic retinopathy: earliest clinical sign is:",
"opts": ["A. Hard exudates",
"B. Microaneurysms",
"C. Cotton wool spots",
"D. New vessel formation (NVD/NVE)"],
"ans": "B",
"exp": "Earliest clinical sign of diabetic retinopathy = MICROANEURYSMS (saccular outpouchings of retinal capillary walls, appear as small red dots). Sequence: microaneurysms → dot/blot haemorrhages → hard exudates → cotton wool spots (IRMA) → new vessels (PDR). Cotton wool spots indicate nerve fibre layer ischaemia."},
# ── ENT ──────────────────────────────────────────────────────────────────
{"subj": "ENT", "q": "Which type of hearing loss shows a dip at 4000 Hz on audiometry?",
"opts": ["A. Presbycusis",
"B. Noise-induced hearing loss (NIHL)",
"C. Otosclerosis",
"D. Meniere's disease"],
"ans": "B",
"exp": "Noise-Induced Hearing Loss (NIHL) shows a characteristic 4000 Hz (4 kHz) notch on pure tone audiometry (Carhart's notch at 2000 Hz is in otosclerosis). NIHL is a sensorineural hearing loss due to outer hair cell damage in the basal turn of cochlea. Presbycusis: bilateral SNHL >6000 Hz. Meniere's: low-frequency SNHL."},
# ── PSM / PREVENTIVE MEDICINE ─────────────────────────────────────────────
{"subj": "PSM", "q": "The most appropriate measure of disease frequency for chronic diseases with long duration is:",
"opts": ["A. Incidence rate", "B. Prevalence", "C. Attack rate", "D. Mortality rate"],
"ans": "B",
"exp": "PREVALENCE measures the proportion of a population with a disease at a specific point in time - best for chronic diseases (diabetes, hypertension, TB). INCIDENCE measures new cases per unit time - better for acute diseases. Relationship: Prevalence ≈ Incidence × Duration (for stable endemic diseases). Attack rate = incidence rate in epidemic situations."},
{"subj": "PSM", "q": "Relative risk (RR) is calculated in which type of study?",
"opts": ["A. Case-control study", "B. Cross-sectional study", "C. Cohort study", "D. Ecological study"],
"ans": "C",
"exp": "Relative Risk (RR) = Incidence in exposed / Incidence in unexposed. Calculated in COHORT studies (both exposed and unexposed groups are followed forward). Odds Ratio (OR) is used in case-control studies (cannot calculate RR directly as incidence unknown). In rare diseases, OR ≈ RR."},
{"subj": "PSM", "q": "The Expanded Programme on Immunisation (EPI) was launched by WHO in:",
"opts": ["A. 1960", "B. 1974", "C. 1978", "D. 1985"],
"ans": "B",
"exp": "WHO launched the Expanded Programme on Immunization (EPI) in 1974 to ensure all children have access to routinely recommended vaccines. India launched its Universal Immunisation Programme (UIP) in 1985. The Alma Ata Declaration of 'Health for All by 2000' was in 1978."},
# ── FORENSIC MEDICINE ─────────────────────────────────────────────────────
{"subj": "Forensic Medicine", "q": "Café-au-lait spots (more than 6) are associated with:",
"opts": ["A. Tuberous sclerosis",
"B. Neurofibromatosis type 1 (NF-1)",
"C. McCune-Albright syndrome",
"D. Waardenburg syndrome"],
"ans": "B",
"exp": "NF-1 (von Recklinghausen's disease) diagnostic criteria: ≥6 café-au-lait macules (>5 mm prepubertal, >15 mm postpubertal), Lisch nodules (iris hamartomas), neurofibromas, optic gliomas, axillary/inguinal freckling. AD, chromosome 17 (NF1 gene - tumor suppressor/neurofibromin). McCune-Albright: polyostotic fibrous dysplasia + café-au-lait (coast of Maine borders)."},
{"subj": "Forensic Medicine", "q": "Adipocere formation (saponification) during decomposition requires:",
"opts": ["A. Dry environment",
"B. Moist, warm, and anaerobic conditions",
"C. Cold temperature",
"D. Exposure to air"],
"ans": "B",
"exp": "Adipocere (saponification / grave wax) is the conversion of body fat to a soap-like material (hydroxy fatty acids) due to alkaline hydrolysis and microbial action. Conditions: warm, moist, anaerobic environment (waterlogged soil, water immersion). It starts in 3 weeks and preserves the body for years. Useful in forensic dating."},
# ── RADIOLOGY ─────────────────────────────────────────────────────────────
{"subj": "Radiology", "q": "The 'double bubble sign' on abdominal X-ray is diagnostic of:",
"opts": ["A. Malrotation of gut",
"B. Duodenal atresia",
"C. Meconium ileus",
"D. Hirschsprung's disease"],
"ans": "B",
"exp": "Double bubble sign: two gas bubbles (stomach + dilated duodenal cap) on AXR or prenatal USG is pathognomonic of DUODENAL ATRESIA. Associated with Down syndrome (30%), polyhydramnios, VACTERL. Triple bubble = jejunal atresia. Soap bubble = meconium ileus. Empty colon + dilated loops = Hirschsprung's."},
{"subj": "Radiology", "q": "Westermark's sign on chest X-ray is associated with:",
"opts": ["A. Pneumothorax",
"B. Pulmonary embolism",
"C. Pleural effusion",
"D. Aortic dissection"],
"ans": "B",
"exp": "Westermark sign: Focal oligaemia (decreased lung vascularity) distal to a pulmonary embolus on CXR. Hampton's hump: Wedge-shaped pleural-based opacity (pulmonary infarction) in PE. Palla's sign: Enlarged right descending pulmonary artery. CT-pulmonary angiography (CTPA) is the gold standard for PE diagnosis."},
# ── PSYCHIATRY ────────────────────────────────────────────────────────────
{"subj": "Psychiatry", "q": "First-line drug for panic disorder:",
"opts": ["A. Benzodiazepines",
"B. SSRIs (e.g., paroxetine, escitalopram)",
"C. Buspirone",
"D. Beta-blockers"],
"ans": "B",
"exp": "SSRIs are the first-line pharmacological treatment for panic disorder (long-term). Benzodiazepines provide rapid relief but are only for short-term use (dependence risk). CBT is equally effective as medication. Paroxetine and escitalopram have FDA approval for panic disorder."},
{"subj": "Psychiatry", "q": "Schneiderian first-rank symptoms of schizophrenia include all EXCEPT:",
"opts": ["A. Thought insertion",
"B. Auditory hallucinations in third person (commenting/arguing voices)",
"C. Visual hallucinations",
"D. Somatic passivity experiences"],
"ans": "C",
"exp": "Schneider's first-rank symptoms (FRS) of schizophrenia: Auditory hallucinations (3rd person voices, thought echo), Thought alienation (insertion, withdrawal, broadcasting), Passivity phenomena (somatic, affect, impulse passivity), Delusional perception. Visual hallucinations are NOT a first-rank symptom and suggest organic cause."},
# ── ANAESTHESIA ──────────────────────────────────────────────────────────
{"subj": "Anaesthesia", "q": "The nerve block for knee surgery that provides analgesia for the anterior thigh and knee is:",
"opts": ["A. Sciatic nerve block",
"B. Femoral nerve block",
"C. Obturator nerve block",
"D. Saphenous nerve block"],
"ans": "B",
"exp": "Femoral nerve block (or adductor canal block) is used for analgesia in knee surgeries (TKR), femur fractures, and quadriceps procedures. It blocks sensation to the anterior thigh and knee. For complete lower limb analgesia: femoral + sciatic blocks. Adductor canal block preserves quadriceps strength better than femoral nerve block."},
]
~/neet-pg-yearwise/data_2021.py
"""NEET PG 2021 - Recall-based representative questions, all subjects"""
YEAR_2021 = [
# ── ANATOMY ──────────────────────────────────────────────────────────────
{"subj": "Anatomy", "q": "The lateral boundary of the femoral triangle is:",
"opts": ["A. Inguinal ligament", "B. Sartorius muscle", "C. Adductor longus", "D. Iliopsoas"],
"ans": "B",
"exp": "Femoral triangle boundaries: Superior = Inguinal ligament; Medial = Adductor longus; Lateral = Sartorius. Floor: Iliopsoas (lateral) + Adductor longus (medial). Roof: Fascia lata. Contents (lateral to medial): Femoral Nerve, Artery, Vein, Empty space, Lymphatics. Mnemonic: NAVEL."},
{"subj": "Anatomy", "q": "The cavernous sinus receives drainage from all EXCEPT:",
"opts": ["A. Superior ophthalmic vein", "B. Sphenoparietal sinus", "C. Superficial middle cerebral vein", "D. Inferior sagittal sinus"],
"ans": "D",
"exp": "The cavernous sinus receives: Superior + inferior ophthalmic veins, superficial middle cerebral vein, sphenoparietal sinus, central retinal vein. The inferior sagittal sinus drains into the straight sinus (not the cavernous sinus). Cavernous sinus drains into superior and inferior petrosal sinuses."},
{"subj": "Anatomy", "q": "The flexor retinaculum of the wrist forms the roof of the carpal tunnel. Which structure does NOT pass through the carpal tunnel?",
"opts": ["A. Median nerve", "B. Flexor digitorum superficialis tendons", "C. Flexor carpi radialis", "D. Flexor pollicis longus tendon"],
"ans": "C",
"exp": "Carpal tunnel contents: Median nerve + 9 tendons (FDS x4, FDP x4, FPL x1). Flexor carpi radialis (FCR) has its own separate fibro-osseous tunnel within the flexor retinaculum and does NOT pass through the carpal tunnel proper. FCU and palmaris longus are superficial to the retinaculum."},
{"subj": "Anatomy", "q": "The 'anatomical snuff box' is bounded by which tendons?",
"opts": ["A. APL/EPB (radially) and EPL (ulnarly)",
"B. FCR and FCU",
"C. ECU and EDC",
"D. FDS and FDP"],
"ans": "A",
"exp": "The anatomical snuff box: Radial boundary = Abductor pollicis longus (APL) + Extensor pollicis brevis (EPB). Ulnar boundary = Extensor pollicis longus (EPL). Floor = Scaphoid + trapezium + radial artery. Tenderness over snuffbox after fall on outstretched hand → scaphoid fracture (X-ray may be normal initially)."},
{"subj": "Anatomy", "q": "Which muscle is supplied by the superior gluteal nerve?",
"opts": ["A. Gluteus maximus", "B. Gluteus medius and minimus", "C. Piriformis", "D. Obturator internus"],
"ans": "B",
"exp": "Superior gluteal nerve (L4, L5, S1): supplies Gluteus medius, Gluteus minimus, and Tensor fasciae latae. Injury causes Trendelenburg gait (pelvis drops on opposite side during single-leg stance). Inferior gluteal nerve: supplies Gluteus maximus only. Piriformis: nerve to piriformis (S1, S2)."},
# ── PHYSIOLOGY ────────────────────────────────────────────────────────────
{"subj": "Physiology", "q": "The normal resting membrane potential of a cardiac ventricular myocyte is:",
"opts": ["A. -55 mV", "B. -70 mV", "C. -85 to -90 mV", "D. -40 mV"],
"ans": "C",
"exp": "Resting membrane potential (RMP): Ventricular myocyte = -85 to -90 mV (maintained by IK1, the inward rectifier K+ current). SA node = -55 to -60 mV (spontaneously depolarises). Purkinje fibers = -90 to -95 mV (most negative). Skeletal muscle = -70 to -90 mV. Neuron = -70 mV."},
{"subj": "Physiology", "q": "Davenport diagram is used to represent:",
"opts": ["A. Oxygen dissociation curve", "B. Acid-base status (pH vs HCO3-)", "C. Starling's law", "D. Lung compliance"],
"ans": "B",
"exp": "The Davenport diagram plots plasma HCO3- (y-axis) against pH (x-axis) with pCO2 isobars. It allows visual identification of acid-base disorders: metabolic acidosis (low HCO3-), metabolic alkalosis (high HCO3-), respiratory acidosis (high pCO2, low pH), respiratory alkalosis (low pCO2, high pH), and mixed disorders."},
{"subj": "Physiology", "q": "The nerve supply to the detrusor muscle of the urinary bladder is:",
"opts": ["A. Sympathetic (T10-L2) via hypogastric nerve",
"B. Parasympathetic (S2-S4) via pelvic splanchnic nerves",
"C. Somatic (S2-S4) via pudendal nerve",
"D. Sympathetic (L1-L2)"],
"ans": "B",
"exp": "Detrusor muscle contraction (micturition): Parasympathetic (S2-S4) via pelvic splanchnic nerves → muscarinic M3 receptors. Internal urethral sphincter (smooth muscle): Sympathetic (L1-L2) via hypogastric nerve → alpha-1 receptors (contracts during filling). External urethral sphincter: Somatic (pudendal nerve, S2-S4) → voluntary control."},
# ── PHARMACOLOGY ─────────────────────────────────────────────────────────
{"subj": "Pharmacology", "q": "Which drug is used for reversal of neuromuscular blockade caused by non-depolarising agents?",
"opts": ["A. Succinylcholine", "B. Neostigmine (+ atropine)", "C. Atracurium", "D. Vecuronium"],
"ans": "B",
"exp": "Neostigmine (anticholinesterase) reverses non-depolarising neuromuscular blockade by increasing ACh at the NMJ, competing with the blocker. Given with atropine or glycopyrrolate to block muscarinic side effects (bradycardia, bronchospasm, secretions). Sugammadex is used specifically for reversal of rocuronium/vecuronium. Succinylcholine is a depolarising NMB."},
{"subj": "Pharmacology", "q": "Tamoxifen is used in breast cancer treatment. Its mechanism of action is:",
"opts": ["A. Aromatase inhibitor",
"B. Selective estrogen receptor modulator (SERM) - antagonist in breast",
"C. GnRH agonist",
"D. Anti-HER2 antibody"],
"ans": "B",
"exp": "Tamoxifen is a SERM: antagonist at breast and pituitary ER (reduces breast cancer growth/recurrence), partial agonist at uterus (risk of endometrial carcinoma) and bone (protective). Used for ER+/PR+ breast cancer. Side effects: hot flushes, DVT/PE, endometrial ca risk. Aromatase inhibitors (anastrozole, letrozole) = postmenopausal women."},
{"subj": "Pharmacology", "q": "Which drug inhibits xanthine oxidase and is used for gout prophylaxis?",
"opts": ["A. Colchicine", "B. Allopurinol", "C. Probenecid", "D. Febuxostat"],
"ans": "B",
"exp": "Allopurinol and Febuxostat are xanthine oxidase inhibitors (reduce uric acid synthesis). Probenecid and lesinurad = uricosuric agents (increase renal excretion). Colchicine = anti-inflammatory (inhibits microtubule polymerization, reduces neutrophil migration). Allopurinol is the first-line prophylaxis; start after acute attack resolves."},
# ── PATHOLOGY ─────────────────────────────────────────────────────────────
{"subj": "Pathology", "q": "Glomerulonephritis with 'tram-track' appearance on silver stain and split GBM is characteristic of:",
"opts": ["A. Minimal change disease",
"B. Membranoproliferative GN (MPGN)",
"C. Membranous nephropathy",
"D. IgA nephropathy"],
"ans": "B",
"exp": "MPGN (mesangiocapillary GN): 'Tram-track' or 'double contour' appearance on PAS/silver stain due to mesangial interposition into the GBM causing GBM duplication/splitting. IF: C3 deposits. Type I MPGN: subendothelial deposits (IC-mediated). Type II (dense deposit disease): C3 nephritic factor. Membranous: 'spike and dome', subepithelial deposits."},
{"subj": "Pathology", "q": "Type IV hypersensitivity (delayed type / cell-mediated) is NOT involved in:",
"opts": ["A. Contact dermatitis",
"B. Tuberculin skin test (Mantoux)",
"C. Graft rejection (acute cellular)",
"D. Anaphylaxis"],
"ans": "D",
"exp": "Type IV (Delayed/Cell-mediated): mediated by sensitized T cells (CD4+ Th1 and CD8+ CTLs). Examples: contact dermatitis, tuberculin test, granulomatous reactions (TB, sarcoid), graft rejection (acute cellular), type 1 DM, MS. Anaphylaxis = Type I (IgE-mediated immediate hypersensitivity). Mnemonic: ACID (Anaphylaxis=I, Cytotoxic=II, Immune complex=III, Delayed=IV)."},
{"subj": "Pathology", "q": "The most common primary malignant tumor of bone in children and young adults is:",
"opts": ["A. Chondrosarcoma", "B. Ewing sarcoma", "C. Osteosarcoma", "D. Giant cell tumor"],
"ans": "C",
"exp": "Osteosarcoma is the most common primary malignant bone tumor overall and in young adults (10-25 years). Location: metaphysis of long bones (distal femur > proximal tibia > proximal humerus). X-ray: Codman's triangle + sunburst pattern. Associated with Rb gene mutation, Li-Fraumeni syndrome. Ewing sarcoma: diaphysis, 'onion-skin' periosteal reaction, t(11;22)."},
# ── MICROBIOLOGY ─────────────────────────────────────────────────────────
{"subj": "Microbiology", "q": "The test used to identify Mycobacterium tuberculosis that detects gamma-interferon release from sensitized T-cells is:",
"opts": ["A. Mantoux test",
"B. QuantiFERON-TB Gold (IGRA)",
"C. ELISA for anti-TB antibodies",
"D. PCR of sputum"],
"ans": "B",
"exp": "IGRA (Interferon-Gamma Release Assay), e.g., QuantiFERON-TB Gold: measures IFN-γ released by T cells when stimulated by TB-specific antigens (ESAT-6, CFP-10). Advantages over Mantoux: not affected by BCG vaccination, single visit, more specific. Used for latent TB diagnosis. Does not differentiate latent from active TB."},
{"subj": "Microbiology", "q": "Cryptococcus neoformans is identified in CSF by:",
"opts": ["A. Gram stain showing Gram-positive cocci",
"B. India ink preparation showing encapsulated yeast",
"C. ZN stain",
"D. KOH mount"],
"ans": "B",
"exp": "Cryptococcus neoformans: India ink preparation of CSF shows encapsulated yeast cells (clear halo/capsule against dark background). Latex agglutination test for cryptococcal antigen (CrAg) is more sensitive. C. neoformans causes meningitis in immunocompromised (HIV/AIDS, CD4 <100). Treatment: Amphotericin B + flucytosine (induction) → fluconazole (maintenance)."},
{"subj": "Microbiology", "q": "The incubation period of rabies is typically:",
"opts": ["A. 1-3 days", "B. 7-14 days", "C. 1-3 months (range: 10 days to 7 years)", "D. 6-12 months"],
"ans": "C",
"exp": "Rabies incubation period: usually 1-3 months, but can range from 10 days to >7 years. Shorter if bite is on face/head (closer to CNS). Virus travels retrograde via peripheral nerves at ~3 mm/hour. Post-exposure prophylaxis (PEP): wound washing + RIG (rabies immunoglobulin) at bite site + anti-rabies vaccine (Essen or Zagreb regimen)."},
# ── MEDICINE ─────────────────────────────────────────────────────────────
{"subj": "Medicine", "q": "The nerve supply to the skin over the lower 1/3 of the anterior thigh is from:",
"opts": ["A. Femoral nerve", "B. Lateral femoral cutaneous nerve", "C. Obturator nerve", "D. Saphenous nerve"],
"ans": "D",
"exp": "The saphenous nerve (terminal cutaneous branch of the femoral nerve) supplies the medial side of the lower leg and foot. The medial cutaneous nerve of the thigh (medial femoral cutaneous nerve, from femoral nerve) supplies the lower anterior thigh. The lateral femoral cutaneous nerve supplies the lateral thigh (meralgia paraesthetica when compressed)."},
{"subj": "Medicine", "q": "Trousseau's sign (positive in hypocalcemia) is elicited by:",
"opts": ["A. Tapping the facial nerve causing facial muscle twitching",
"B. Inflating BP cuff above systolic pressure for 3 min causing carpopedal spasm",
"C. Hyperventilation",
"D. Cold water stimulus"],
"ans": "B",
"exp": "Trousseau's sign: inflate sphygmomanometer above systolic pressure for 3 minutes → carpopedal spasm (main d'accoucheur position). More sensitive than Chvostek's for hypocalcemia. Chvostek's sign: tapping facial nerve (2 cm anterior to ear lobe) → ipsilateral facial muscle twitch. Both indicate latent tetany from hypocalcemia, hypomagnesemia, or alkalosis."},
{"subj": "Medicine", "q": "HIV diagnosis in infants less than 18 months is done by:",
"opts": ["A. ELISA for anti-HIV antibodies",
"B. HIV viral load (RNA PCR) or p24 antigen",
"C. Western blot",
"D. CD4 count"],
"ans": "B",
"exp": "In infants < 18 months, maternal IgG antibodies cross the placenta and persist, making antibody tests (ELISA, Western blot) unreliable. HIV diagnosis in infants requires VIROLOGICAL TESTS: HIV DNA/RNA PCR or p24 antigen. Testing at: birth (if high risk), 4-6 weeks, 4-6 months. Two positive virological tests = definitive HIV diagnosis."},
# ── SURGERY ──────────────────────────────────────────────────────────────
{"subj": "Surgery", "q": "Ranson's criteria is used to assess severity of:",
"opts": ["A. Liver failure", "B. Acute pancreatitis", "C. Intestinal obstruction", "D. Upper GI bleed"],
"ans": "B",
"exp": "Ranson's criteria predicts severity of acute pancreatitis. On admission: Age >55, WBC >16,000, Blood glucose >200 mg/dL, LDH >350, AST >250. At 48 hours: Hct drop >10%, BUN rise >5, Ca2+ <8 mg/dL, PaO2 <60, Base deficit >4, Fluid sequestration >6L. Score ≥3 = severe pancreatitis. BISAP and APACHE II also used."},
{"subj": "Surgery", "q": "Which investigation is the gold standard for diagnosing Hirschsprung's disease?",
"opts": ["A. Barium enema showing transition zone",
"B. Rectal suction biopsy (absence of ganglion cells)",
"C. Anorectal manometry",
"D. CT abdomen"],
"ans": "B",
"exp": "Rectal suction biopsy showing ABSENCE OF GANGLION CELLS in the submucosal (Meissner's) and myenteric (Auerbach's) plexuses is the gold standard for diagnosing Hirschsprung's disease. AChE staining shows prominent nerve fibers. Barium enema (transition zone) and anorectal manometry are screening investigations."},
# ── OBG ──────────────────────────────────────────────────────────────────
{"subj": "OBG", "q": "Fetal heart rate (FHR) is monitored by cardiotocography. A late deceleration pattern indicates:",
"opts": ["A. Head compression (normal)",
"B. Umbilical cord compression",
"C. Uteroplacental insufficiency (fetal distress)",
"D. Fetal movement"],
"ans": "C",
"exp": "CTG deceleration patterns: Early decelerations: head compression, uniform, mirror contractions - NORMAL. Variable decelerations: cord compression, abrupt - require position change. Late decelerations: begin after peak of contraction, slow return - indicate UTEROPLACENTAL INSUFFICIENCY (fetal hypoxia/distress). Require immediate intervention."},
{"subj": "OBG", "q": "Placenta previa is defined as placenta located:",
"opts": ["A. Over the fundus of uterus",
"B. In the lower uterine segment covering or close to the internal os",
"C. Attached to the posterior wall",
"D. At the cornua of the uterus"],
"ans": "B",
"exp": "Placenta previa: placenta implanted in the lower uterine segment covering (major) or encroaching (minor) the internal cervical os. Presentation: PAINLESS bright red vaginal bleeding in 3rd trimester (sentinel bleed). Management: Do NOT do vaginal examination. Diagnosis by USG. Emergency cesarean for major previa or active bleeding."},
# ── PEDIATRICS ───────────────────────────────────────────────────────────
{"subj": "Pediatrics", "q": "Koplik's spots (pathognomonic of measles) are found on:",
"opts": ["A. Skin of the face",
"B": "Buccal mucosa opposite lower 1st molar",
"C. Palate",
"D. Tongue"],
"ans": "B",
"exp": "Koplik's spots: small bluish-white spots (grain of salt on red background) on the BUCCAL MUCOSA opposite the lower first molars. They appear 2-4 days BEFORE the skin rash (prodrome) and are pathognomonic of measles. They disappear as the maculopapular rash appears (starts behind ears, spreads downward)."},
{"subj": "Pediatrics", "q": "Which immunoglobulin is the most abundant in breast milk (colostrum)?",
"opts": ["A. IgG", "B. IgM", "C. IgA (secretory IgA - sIgA)", "D. IgE"],
"ans": "C",
"exp": "Secretory IgA (sIgA) is the predominant immunoglobulin in breast milk/colostrum. It provides passive mucosal immunity to the newborn gut. Colostrum also contains lactoferrin, lysozyme, macrophages, lymphocytes, and growth factors. sIgA is resistant to proteolytic digestion in the infant gut."},
# ── PSM ───────────────────────────────────────────────────────────────────
{"subj": "PSM", "q": "Sample size in a clinical study is increased when:",
"opts": ["A. Acceptable Type I error (alpha) is increased",
"B. Acceptable Type II error (beta) is decreased (higher power needed)",
"C. Expected effect size is large",
"D. Prevalence of outcome is very high (50%)"],
"ans": "B",
"exp": "Sample size INCREASES when: smaller alpha (more stringent Type I error), smaller beta/higher power (1-β), smaller expected effect size, higher variability (SD), two-sided test vs one-sided. Sample size DECREASES when: larger alpha, larger beta (lower power), larger effect size, paired design. Power = ability to detect a true difference when it exists."},
{"subj": "PSM", "q": "The dietary reference intake that represents the AVERAGE daily intake sufficient to meet the requirement of HALF of healthy individuals is:",
"opts": ["A. Recommended Dietary Allowance (RDA)",
"B. Estimated Average Requirement (EAR)",
"C. Adequate Intake (AI)",
"D. Tolerable Upper Level (UL)"],
"ans": "B",
"exp": "Estimated Average Requirement (EAR): meets needs of 50% of healthy population. RDA = EAR + 2SD (meets needs of 97.5%). Adequate Intake (AI): used when EAR not established (e.g., infants). Tolerable Upper Level (UL): maximum intake unlikely to cause adverse effects. ICMR in India sets RDA as 'Recommended Dietary Allowances'."},
# ── OPHTHALMOLOGY ─────────────────────────────────────────────────────────
{"subj": "Ophthalmology", "q": "The pupillary light reflex pathway travels via:",
"opts": ["A. Optic nerve → lateral geniculate body → visual cortex → EW nucleus",
"B. Optic nerve → pretectal nucleus → bilateral Edinger-Westphal (EW) nucleus → ciliary ganglion → sphincter pupillae",
"C. Optic nerve → superior colliculus only",
"D. Sympathetic chain → dilator pupillae"],
"ans": "B",
"exp": "Pupillary light reflex (PLR): Light → Retinal ganglion cells → Optic nerve → Optic chiasm → Optic tract → Pretectal nucleus (midbrain) → bilaterally → EW nucleus → preganglionic parasympathetic → ciliary ganglion → short ciliary nerves → sphincter pupillae (constriction). This explains consensual reflex. Accommodation reflex uses the visual cortex pathway."},
# ── FORENSIC ─────────────────────────────────────────────────────────────
{"subj": "Forensic Medicine", "q": "In a stab wound injury, the most important distinguishing feature of a homicidal wound from a suicidal wound is:",
"opts": ["A. Depth of wound",
"B. Location and number of wounds",
"C. Presence of clothing cuts",
"D. Weapon type"],
"ans": "B",
"exp": "Homicidal wounds: multiple, in inaccessible areas (back, posterior neck), no hesitation cuts, clothes cut, struggle/defense wounds. Suicidal wounds: usually single or few, in accessible areas (wrist, throat - R side in right-handed), hesitation marks, clothes usually removed (fastidiousness), typical sites. Location + accessibility is most important differentiating feature."},
# ── PSYCHIATRY ────────────────────────────────────────────────────────────
{"subj": "Psychiatry", "q": "Which antipsychotic is associated with AGRANULOCYTOSIS requiring regular blood count monitoring?",
"opts": ["A. Haloperidol", "B. Clozapine", "C. Risperidone", "D. Olanzapine"],
"ans": "B",
"exp": "Clozapine (atypical antipsychotic) is associated with potentially fatal AGRANULOCYTOSIS (1-2% risk). Mandatory monitoring: CBC weekly for 6 months, then biweekly for 6 months, then monthly. Absolute contraindication: WBC <3000 or ANC <1500. Despite this, clozapine is the gold standard for TREATMENT-RESISTANT schizophrenia. Also associated with myocarditis, seizures, hypersalivation, weight gain."},
]
~/neet-pg-yearwise/data_2022.py
"""NEET PG 2022 - Recall-based representative questions, all subjects"""
YEAR_2022 = [
# ── ANATOMY ──────────────────────────────────────────────────────────────
{"subj": "Anatomy", "q": "The hepatocystic triangle (Calot's triangle) is bounded by all EXCEPT:",
"opts": ["A. Cystic duct", "B. Common hepatic duct", "C. Inferior surface of liver", "D. Common bile duct"],
"ans": "D",
"exp": "Calot's triangle (hepatocystic triangle) boundaries: (1) Cystic duct (laterally), (2) Common hepatic duct (medially), (3) Inferior surface of the liver (superiorly). Contents: cystic artery (usually), Hartmann's pouch. The COMMON BILE DUCT is NOT a boundary. Safe dissection of Calot's triangle is critical in laparoscopic cholecystectomy to avoid bile duct injury."},
{"subj": "Anatomy", "q": "The surface anatomy landmark for lumbar puncture needle insertion is:",
"opts": ["A. L1-L2 interspace", "B. L3-L4 interspace (Tuffier's line)", "C. L5-S1 interspace", "D. T12-L1 interspace"],
"ans": "B",
"exp": "Tuffier's line (intercristal line) connects both iliac crests and crosses the spine at L4 vertebra or L3-L4 interspace. LP is performed at L3-L4 or L4-L5 (below spinal cord termination at L1-L2 in adults, L2-L3 in neonates). Below L2 only the cauda equina is present, reducing risk of cord injury."},
{"subj": "Anatomy", "q": "The muscle that divides the axilla into two triangular spaces (quadrangular and triangular) is:",
"opts": ["A. Subscapularis", "B. Teres major", "C. Long head of triceps", "D. Latissimus dorsi"],
"ans": "C",
"exp": "The long head of triceps divides the space below teres minor and teres major into: Quadrangular space (medially): contains axillary nerve + posterior circumflex humeral artery. Triangular space (laterally): contains circumflex scapular artery. The triangular interval (below teres major): contains profunda brachii + radial nerve."},
{"subj": "Anatomy", "q": "In a 'claw hand' deformity, the primary nerve injured is:",
"opts": ["A. Median nerve", "B. Radial nerve", "C. Ulnar nerve", "D. Musculocutaneous nerve"],
"ans": "C",
"exp": "Ulnar nerve injury causes claw hand (main en griffe): hyperextension at MCPJs + flexion at IPJs of ring and little fingers (due to loss of medial two lumbricals and interossei). The deformity is more pronounced in low ulnar nerve lesions (wrist) than high lesions (elbow). Median nerve injury causes 'hand of benediction'; Radial nerve → wrist drop."},
{"subj": "Anatomy", "q": "Winging of the scapula (inability to raise arm above 90°) results from paralysis of:",
"opts": ["A. Trapezius", "B. Serratus anterior", "C. Rhomboids", "D. Levator scapulae"],
"ans": "B",
"exp": "Serratus anterior (nerve: long thoracic nerve, C5-C7) holds the medial border of the scapula against the thoracic wall. Paralysis (long thoracic nerve injury) causes WINGING of the scapula (medial border protrudes posteriorly). The arm cannot be raised above 90° because serratus anterior rotates the scapula upward to allow full abduction."},
# ── PHYSIOLOGY ────────────────────────────────────────────────────────────
{"subj": "Physiology", "q": "Which parameter is measured by the Fick's principle for cardiac output?",
"opts": ["A. CO = HR × SV", "B. CO = O2 consumption / (arteriovenous O2 difference)", "C. CO = MAP / SVR", "D. CO = preload × contractility"],
"ans": "B",
"exp": "Fick's principle: Cardiac Output = O2 consumption (VO2) / (CaO2 - CvO2), where CaO2 = arterial O2 content and CvO2 = mixed venous O2 content (sampled from pulmonary artery). Normal CO ≈ 5 L/min. Cardiac index = CO/BSA (normal 2.2-4.0 L/min/m2). Thermodilution method also measures CO in ICU."},
{"subj": "Physiology", "q": "The juxtaglomerular apparatus (JGA) senses and responds to:",
"opts": ["A. Changes in blood glucose",
"B. Decreased renal perfusion pressure and decreased Na+ delivery to macula densa",
"C. Changes in plasma osmolality only",
"D. Increased blood pH"],
"ans": "B",
"exp": "JGA consists of: macula densa (detects low NaCl in DCT), juxtaglomerular cells (baroreceptors in afferent arteriole), and extraglomerular mesangial cells. Decreased perfusion pressure OR decreased NaCl at macula densa → renin release → angiotensin II → aldosterone → Na+ and water retention → increased BP and volume. This is the RAAS axis."},
{"subj": "Physiology", "q": "Spirometry measures all lung volumes EXCEPT:",
"opts": ["A. Tidal volume (TV)", "B. Residual volume (RV)", "C. Inspiratory reserve volume (IRV)", "D. Expiratory reserve volume (ERV)"],
"ans": "B",
"exp": "Spirometry CANNOT measure volumes containing residual volume (RV): RV, FRC (ERV+RV), TLC (VC+RV). These require body plethysmography or helium dilution/nitrogen washout. Spirometry measures: TV (500 mL), IRV (~3000 mL), ERV (~1200 mL), VC (IRV+TV+ERV = ~4700 mL). FEV1/FVC ratio: <0.70 = obstructive; normal or increased = restrictive."},
{"subj": "Physiology", "q": "The enzyme responsible for conversion of angiotensin I to angiotensin II is:",
"opts": ["A. Renin", "B. ACE (angiotensin converting enzyme)", "C. Aldosterone synthase", "D. Chymase"],
"ans": "B",
"exp": "ACE (a zinc-containing dipeptidyl carboxypeptidase, present on endothelial cells of pulmonary capillaries) converts angiotensin I (10 aa) to angiotensin II (8 aa) by removing 2 C-terminal amino acids. ACE also inactivates bradykinin (hence ACE inhibitor side effect: cough due to bradykinin accumulation)."},
# ── PHARMACOLOGY ─────────────────────────────────────────────────────────
{"subj": "Pharmacology", "q": "Which antifungal drug acts by inhibiting ergosterol synthesis at the squalene epoxidase step?",
"opts": ["A. Amphotericin B", "B. Terbinafine", "C. Fluconazole", "D. Caspofungin"],
"ans": "B",
"exp": "Terbinafine inhibits squalene epoxidase → accumulation of squalene (toxic to fungi) + reduced ergosterol. Used mainly for dermatophytosis (tinea unguium - onychomycosis). Azoles (fluconazole) inhibit lanosterol 14α-demethylase (CYP51). Amphotericin B binds ergosterol directly. Caspofungin inhibits beta-1,3-glucan synthase (cell wall)."},
{"subj": "Pharmacology", "q": "Warfarin anticoagulant therapy is REVERSED by:",
"opts": ["A. Protamine sulfate", "B. Vitamin K (phytomenadione) + Fresh Frozen Plasma (FFP)", "C. Platelet transfusion", "D. Desmopressin"],
"ans": "B",
"exp": "Warfarin reversal: Mild/no bleeding: withhold warfarin ± oral Vitamin K. Serious bleeding: IV Vitamin K (slow) + 4-factor prothrombin complex concentrate (4F-PCC) or FFP. Life-threatening: 4F-PCC (fastest) + IV vitamin K. Protamine reverses heparin (1 mg per 100 units heparin). Idarucizumab reverses dabigatran; andexanet alfa reverses factor Xa inhibitors."},
{"subj": "Pharmacology", "q": "MAO inhibitors (MAOIs) are contraindicated with which class of analgesics due to risk of serotonin syndrome?",
"opts": ["A. NSAIDs", "B. Pethidine (meperidine) and tramadol", "C. Paracetamol", "D. Codeine"],
"ans": "B",
"exp": "Pethidine (meperidine) + MAOIs → FATAL serotonin syndrome (hyperthermia, hypertension, seizures, clonus) and/or excitatory syndrome (agitation, rigidity). Pethidine has serotonin-reuptake inhibitory activity. Tramadol (also a SRI) + MAOIs similarly dangerous. Fentanyl and morphine are relatively safer opioids with MAOIs (though still cautioned). Avoid: Pethidine, tramadol, dextromethorphan with MAOIs."},
{"subj": "Pharmacology", "q": "Scleromalacia perforans is a complication associated with which disease? (Pharmacology context: DMARDs used)",
"opts": ["A. Ankylosing spondylitis", "B. Rheumatoid arthritis", "C. Psoriatic arthritis", "D. SLE"],
"ans": "B",
"exp": "Scleromalacia perforans (painless progressive thinning and perforation of sclera with exposure of dark choroid) is a severe extra-articular ocular manifestation of RHEUMATOID ARTHRITIS. It is not painful (unlike necrotizing scleritis). DMARDs used in RA: Methotrexate (first-line), Hydroxychloroquine, Sulfasalazine, Leflunomide. Biologics: anti-TNF (etanercept, adalimumab), Rituximab."},
# ── PATHOLOGY ─────────────────────────────────────────────────────────────
{"subj": "Pathology", "q": "Warthin-Finkeldey giant cells (multinucleated giant cells) are characteristic of:",
"opts": ["A. CMV lymphadenitis", "B. Measles", "C. Herpes simplex infection", "D. Toxoplasma lymphadenitis"],
"ans": "B",
"exp": "Warthin-Finkeldey giant cells: large multinucleated giant cells with intranuclear and intracytoplasmic eosinophilic inclusions, found in lymphoid tissues (tonsil, appendix, lymph nodes) during the PRODROME of MEASLES, before rash appears. They represent syncytia of infected lymphocytes. Pathognomonic of measles."},
{"subj": "Pathology", "q": "In which type of amyloidosis is the amyloid derived from immunoglobulin light chains (AL amyloid)?",
"opts": ["A. Secondary amyloidosis (AA)", "B. Dialysis-related amyloidosis", "C. Primary amyloidosis / Myeloma-associated amyloidosis", "D. Familial amyloidosis (ATTR)"],
"ans": "C",
"exp": "AL amyloid (amyloid light chain): derived from immunoglobulin light chains (kappa > lambda). Seen in primary amyloidosis (plasma cell dyscrasia) and multiple myeloma. AA amyloid: serum amyloid A protein (acute phase reactant) - in chronic inflammatory diseases (RA, TB, osteomyelitis). ATTR: transthyretin - familial amyloid polyneuropathy + senile cardiac amyloidosis. Beta-2 microglobulin: dialysis-related."},
{"subj": "Pathology", "q": "Psammoma bodies are NOT seen in:",
"opts": ["A. Papillary thyroid carcinoma", "B. Meningioma", "C. Serous cystadenocarcinoma of ovary", "D. Follicular thyroid carcinoma"],
"ans": "D",
"exp": "Psammoma bodies (concentric laminated calcifications) are seen in: PSaMMoMA - Papillary thyroid carcinoma, Serous cystadenocarcinoma of ovary, Meningioma, Mesothelioma, Papillary renal carcinoma. NOT in follicular carcinoma of thyroid, NOT in adenomatous goitre, NOT in medullary thyroid carcinoma (which has amyloid stroma instead)."},
{"subj": "Pathology", "q": "Dutcher bodies (intranuclear PAS-positive inclusions containing immunoglobulin) are characteristic of:",
"opts": ["A. Plasmacytoma/Waldenström macroglobulinemia",
"B. Hodgkin lymphoma",
"C. Follicular lymphoma",
"D. CLL"],
"ans": "A",
"exp": "Dutcher bodies: intranuclear PAS-positive immunoglobulin inclusions in plasma cells. Characteristic of Waldenström macroglobulinemia (lymphoplasmacytic lymphoma) and plasmacytoma/multiple myeloma. Russell bodies: intracytoplasmic immunoglobulin inclusions in plasma cells (Mott cells when numerous). Both are seen in plasma cell disorders."},
# ── MICROBIOLOGY ─────────────────────────────────────────────────────────
{"subj": "Microbiology", "q": "Microfilariae with a sheath that does NOT take up Giemsa stain and has NO nuclei at the tail tip is:",
"opts": ["A. Brugia malayi", "B. Loa loa", "C. Wuchereria bancrofti", "D. Brugia timori"],
"ans": "C",
"exp": "Wuchereria bancrofti: SHEATHED, sheath does NOT stain with Giemsa (distinguishes from Brugia), NO nuclei at tail tip. Nocturnal periodicity. Vector: Culex mosquito. Causes lymphatic filariasis (elephantiasis). Brugia malayi: sheath takes up Giemsa stain, two discrete nuclei at tail tip. Loa loa: sheath takes up Giemsa, nuclei extend to tip."},
{"subj": "Microbiology", "q": "The Schick test, used to assess immunity to diphtheria, uses:",
"opts": ["A. Live attenuated diphtheria toxoid",
"B. Purified diphtheria toxin (0.1 mL intradermally)",
"C. Anti-diphtheria antitoxin",
"D. Diptheria antigen for ELISA"],
"ans": "B",
"exp": "Schick test: 0.1 mL purified diphtheria TOXIN injected intradermally. POSITIVE result (erythema + induration at 24-48h, persists to 7-10 days): No immunity → susceptible. NEGATIVE result: Immune (sufficient antitoxin). Control: heat-inactivated toxin (no reaction = true positive reaction). Rarely used now; direct antitoxin titres are measured."},
{"subj": "Microbiology", "q": "The VDRL (Venereal Disease Research Laboratory) test is a:",
"opts": ["A. Treponemal-specific test",
"B. Non-treponemal flocculation test using cardiolipin-lecithin-cholesterol antigen",
"C. Direct fluorescent antibody test",
"D. Specific anti-Treponema pallidum IgM test"],
"ans": "B",
"exp": "VDRL is a NON-TREPONEMAL test (detects reagin antibodies against cardiolipin-lecithin-cholesterol antigen). Used for screening and monitoring treatment response (titre falls with treatment). Can give biological false positives: SLE, malaria, pregnancy, TB, infectious mononucleosis, leprosy. Treponemal tests (FTA-ABS, TPHA, TPPA): specific, remain positive lifelong."},
# ── MEDICINE ─────────────────────────────────────────────────────────────
{"subj": "Medicine", "q": "ECG changes in acute hyperkalemia in CHRONOLOGICAL order are:",
"opts": ["A. Wide QRS → peaked T → loss of P → sine wave",
"B. Peaked T waves → flattened P waves → widened QRS → sine wave → VF",
"C. Prolonged QT → ST elevation → VF",
"D. ST depression → T inversion → VF"],
"ans": "B",
"exp": "Hyperkalemia ECG progression: (1) Peaked (tall, narrow, symmetrical) T waves [earliest], (2) Prolonged PR, (3) Flattened/absent P waves, (4) Widened QRS, (5) Sine wave pattern, (6) VF/asystole [terminal]. Treatment: Calcium gluconate (membrane stabilisation), insulin + dextrose, sodium bicarbonate, albuterol, kayexalate, dialysis."},
{"subj": "Medicine", "q": "The most common cause of community-acquired pneumonia requiring hospital admission is:",
"opts": ["A. Klebsiella pneumoniae", "B. Streptococcus pneumoniae", "C. Legionella pneumophila", "D. Mycoplasma pneumoniae"],
"ans": "B",
"exp": "Streptococcus pneumoniae (pneumococcus) is the single most common identifiable pathogen in CAP requiring hospitalisation worldwide. Atypical CAP (Mycoplasma, Chlamydophila, Legionella) is common in outpatient/mild cases. Klebsiella: alcoholics, diabetics, nursing home residents (lobar consolidation with 'bulging fissure'). Staphylococcus: post-influenza."},
{"subj": "Medicine", "q": "A patient with RA presents with a painless, bluish, thinned sclera. The diagnosis is:",
"opts": ["A. Episcleritis", "B. Scleromalacia perforans", "C. Iridocyclitis", "D. Keratoconjunctivitis sicca"],
"ans": "B",
"exp": "Scleromalacia perforans: PAINLESS progressive thinning of the sclera → exposure of dark uveal tissue (bluish colour). Pathognomonic of RA (severe systemic disease). Unlike necrotizing scleritis (painful). No treatment needed unless perforation imminent. Episcleritis: superficial inflammation, sectoral or diffuse, usually mild and self-limiting."},
# ── SURGERY ──────────────────────────────────────────────────────────────
{"subj": "Surgery", "q": "Courvoisier's law states:",
"opts": ["A. Jaundice + palpable tender gallbladder = gallstones",
"B. Jaundice + palpable non-tender gallbladder = malignant biliary obstruction",
"C. Palpable gallbladder always indicates stones",
"D. Absence of palpable gallbladder excludes malignancy"],
"ans": "B",
"exp": "Courvoisier's law (1890): In obstructive jaundice, a palpable, NON-TENDER, distensible gallbladder suggests MALIGNANT obstruction (carcinoma head of pancreas, cholangiocarcinoma, periampullary carcinoma) rather than gallstones. Reason: chronic gallstone disease → fibrosis → thickened, non-distensible gallbladder. Exceptions exist (Mirizzi syndrome, double impaction)."},
{"subj": "Surgery", "q": "FNAC of thyroid showing Hurthle cells (large cells with granular eosinophilic cytoplasm) is characteristic of:",
"opts": ["A. Papillary thyroid carcinoma",
"B. Hashimoto's thyroiditis",
"C. Medullary thyroid carcinoma",
"D. Anaplastic carcinoma"],
"ans": "B",
"exp": "Hurthle cells (Askanazy cells/oxyphilic cells): large polygonal cells with abundant granular eosinophilic cytoplasm (mitochondria-packed) and prominent nucleoli. Characteristic of HASHIMOTO'S THYROIDITIS (autoimmune). Also seen in Hurthle cell carcinoma (variant of follicular carcinoma - cannot be distinguished as benign/malignant on FNAC). Papillary Ca: nuclear pseudo-inclusions, grooves, psammoma bodies."},
# ── OBG ──────────────────────────────────────────────────────────────────
{"subj": "OBG", "q": "Drug of choice for medical management of an unruptured ectopic pregnancy:",
"opts": ["A. Mifepristone", "B. Methotrexate (single-dose IM)", "C. Misoprostol", "D. Actinomycin D"],
"ans": "B",
"exp": "Methotrexate (folic acid antagonist/antifolate, inhibits dihydrofolate reductase) is the drug of choice for medical management of ectopic pregnancy. Single-dose regime: 50 mg/m2 IM. Criteria: unruptured ectopic, size <3.5 cm, hemodynamically stable, no fetal cardiac activity, beta-hCG <5000 mIU/mL, normal LFTs/renal function, no immunocompromise. Follow up with beta-hCG levels."},
{"subj": "OBG", "q": "HELLP syndrome is characterised by:",
"opts": ["A. Hemolysis, Elevated Liver enzymes, Low Platelets",
"B. Hypertension, Edema, Low Platelets",
"C. Hemolysis, Edema, Low Platelets",
"D. High Liver enzymes, Elevated Protein, Low Platelets"],
"ans": "A",
"exp": "HELLP syndrome: H = Hemolysis (microangiopathic hemolytic anemia, LDH >600), EL = Elevated Liver enzymes (AST/ALT >70), LP = Low Platelets (<100,000/mm3). It is a severe form of pre-eclampsia. May present WITHOUT hypertension or proteinuria in some cases. Management: delivery (if >34 weeks or any gestational age with severe HELLP), steroids for fetal lung maturity <34 weeks."},
# ── PEDIATRICS ───────────────────────────────────────────────────────────
{"subj": "Pediatrics", "q": "Most common cause of acute gastroenteritis in children less than 5 years worldwide is:",
"opts": ["A. E. coli", "B. Rotavirus", "C. Salmonella", "D. Shigella"],
"ans": "B",
"exp": "Rotavirus (Group A) is the most common cause of severe acute diarrhoeal illness requiring hospitalisation in children <5 years globally. Faeco-oral transmission. Watery, non-bloody diarrhoea, vomiting, fever, dehydration. Diagnosis: stool antigen detection. Prevention: Rotavirus vaccine (RV1 - Rotarix, RV5 - RotaTeq). Treatment: ORS, zinc supplementation."},
{"subj": "Pediatrics", "q": "Intussusception in children most commonly occurs at which location?",
"opts": ["A. Duodenojejunal junction", "B. Ileocolic (ileocecal) junction", "C. Sigmoid colon", "D. Transverse colon"],
"ans": "B",
"exp": "Ileocolic intussusception (terminal ileum telescopes into cecum and colon) is the MOST COMMON type, accounting for ~90% of cases. Age: 3 months - 6 years (peak 5-9 months). Presentation: Intermittent colicky abdominal pain, drawing up knees, 'currant jelly' stools (blood + mucus), sausage-shaped mass in RUQ. Diagnosis: USG (target sign). Treatment: pneumatic/hydrostatic reduction; surgery if failed."},
# ── PSM ───────────────────────────────────────────────────────────────────
{"subj": "PSM", "q": "The vaccine for Japanese Encephalitis (JE) recommended in India's national immunisation programme is given at:",
"opts": ["A. Birth", "B. 9 months (along with measles vaccine)", "C. 2 years", "D. 5 years"],
"ans": "B",
"exp": "JE vaccine (SA-14-14-2 live attenuated or inactivated) is given at 9 months of age as a single dose (high endemicity districts in India) under the National Immunisation Programme, along with the first dose of measles vaccine. A booster is given at 16-24 months. JE is transmitted by Culex mosquito; pigs and wading birds are reservoir hosts."},
{"subj": "PSM", "q": "The number needed to treat (NNT) is calculated as:",
"opts": ["A. 1 / Relative Risk Reduction",
"B. 1 / Absolute Risk Reduction (ARR)",
"C. Relative Risk × 100",
"D. Event rate in control / Event rate in treatment"],
"ans": "B",
"exp": "NNT = 1 / ARR. ARR = Event rate in control group − Event rate in treatment group. NNT is the number of patients that need to be treated to prevent one additional adverse outcome. Lower NNT = more effective treatment. NNH (Number Needed to Harm) = 1/ARI (absolute risk increase). NNT = 10 means treating 10 patients prevents 1 bad outcome."},
# ── OPHTHALMOLOGY ─────────────────────────────────────────────────────────
{"subj": "Ophthalmology", "q": "Cherry red spot at the macula is NOT seen in:",
"opts": ["A. Central retinal artery occlusion (CRAO)",
"B. Niemann-Pick disease",
"C. Tay-Sachs disease",
"D. Central retinal vein occlusion (CRVO)"],
"ans": "D",
"exp": "Cherry red spot (fovea appears bright red against pale/white ischemic retina): CRAO, Niemann-Pick, Tay-Sachs, Sandhoff disease, GM1 gangliosidosis, Farber disease. In CRAO: pale retina with cherry red macula (fovea has its own choroidal supply). CRVO shows: disc edema, flame haemorrhages in all quadrants, dilated tortuous veins ('blood and thunder' fundus) - NOT cherry red spot."},
# ── FORENSIC ─────────────────────────────────────────────────────────────
{"subj": "Forensic Medicine", "q": "Hesitation marks/tentative cuts are a feature of:",
"opts": ["A. Homicidal incised wounds", "B. Suicidal incised wounds", "C. Accidental wounds", "D. Defense wounds"],
"ans": "B",
"exp": "Hesitation marks (also called tentative wounds or 'try' cuts): multiple superficial parallel incised wounds seen adjacent to the main fatal wound. They are characteristic of SUICIDAL wounds, as the person tries the pain before delivering the fatal cut. They are typically located at the wrist or throat. Their presence strongly suggests suicide."},
# ── PSYCHIATRY ────────────────────────────────────────────────────────────
{"subj": "Psychiatry", "q": "Electroconvulsive therapy (ECT) is the treatment of choice for:",
"opts": ["A. Chronic schizophrenia",
"B. Severe depression with psychotic features / catatonia / treatment-resistant depression",
"C. Obsessive compulsive disorder",
"D. Bipolar disorder maintenance"],
"ans": "B",
"exp": "ECT indications: severe depression with psychotic features, suicide risk, food refusal; catatonia; treatment-resistant depression; severe mania; psychosis in pregnancy (when medication unsafe). Contraindications: raised ICP (relative), recent MI/stroke. Mechanism: not fully understood; increases BDNF, modulates monoamines. Side effects: transient anterograde amnesia, headache, confusion."},
# ── ENT ──────────────────────────────────────────────────────────────────
{"subj": "ENT", "q": "Juvenile Nasopharyngeal Angiofibroma (JNA) is characterized by all EXCEPT:",
"opts": ["A. Seen exclusively in adolescent males",
"B. Arises from the posterolateral wall of nasopharynx near sphenopalatine foramen",
"C. Profuse epistaxis and nasal obstruction",
"D. Lymph node metastasis"],
"ans": "D",
"exp": "JNA: highly vascular BENIGN but locally invasive tumor exclusively in adolescent males (testosterone-dependent growth). Site: posterolateral nasopharyngeal wall / sphenopalatine foramen. Presents with: progressive nasal obstruction + profuse, recurrent epistaxis. Biopsy CONTRAINDICATED (severe bleeding). NO metastasis (benign). Diagnosis: CT/MRI + arteriography. Treatment: preoperative embolisation + surgical excision."},
{"subj": "ENT", "q": "The commonest cause of conductive hearing loss in children is:",
"opts": ["A. Otosclerosis", "B. Otitis media with effusion (Glue ear)", "C. Cholesteatoma", "D. Tympanosclerosis"],
"ans": "B",
"exp": "Otitis media with effusion (OME / Glue ear) is the most common cause of conductive hearing loss in children (peak age 2-5 years). Accumulation of non-purulent fluid in the middle ear. Audiometry: flat (Type B) tympanogram. Management: watchful waiting 3 months → grommets (ventilation tubes) if persistent. Adenoidectomy if enlarged adenoids."},
]
Previous year questions with solutions,year wise
mkdir -p /home/daytona/workspace/neet-yearwise && echo "ready"
Previous year questions with solutions,year wise
mkdir -p /home/daytona/workspace/neet-yw && python3 -c "from reportlab.lib.pagesizes import A4; print('reportlab OK')"
Waiting