ls -la /tmp/workspace/ 2>/dev/null || mkdir -p /tmp/workspace && echo "created"

mkdir -p /tmp/workspace/pediatrics && cat > /tmp/workspace/pediatrics/generate_pdf.py << 'PYEOF' from reportlab.lib.pagesizes import A4 from reportlab.lib.styles import getSampleStyleSheet, ParagraphStyle from reportlab.lib.units import cm from reportlab.lib import colors from reportlab.platypus import SimpleDocTemplate, Paragraph, Spacer, HRFlowable, PageBreak from reportlab.lib.enums import TA_LEFT, TA_CENTER, TA_JUSTIFY doc = SimpleDocTemplate( "/tmp/workspace/pediatrics/Pediatrics_Section1_QA.pdf", pagesize=A4, rightMargin=2*cm, leftMargin=2*cm, topMargin=2.2*cm, bottomMargin=2.2*cm ) styles = getSampleStyleSheet() title_style = ParagraphStyle('Title', parent=styles['Title'], fontSize=18, textColor=colors.HexColor('#1a3a5c'), spaceAfter=6, alignment=TA_CENTER) subtitle_style = ParagraphStyle('Subtitle', parent=styles['Normal'], fontSize=10, textColor=colors.HexColor('#555555'), spaceAfter=12, alignment=TA_CENTER) q_style = ParagraphStyle('Question', parent=styles['Normal'], fontSize=11, textColor=colors.HexColor('#1a3a5c'), fontName='Helvetica-Bold', spaceBefore=14, spaceAfter=4, leftIndent=0) a_style = ParagraphStyle('Answer', parent=styles['Normal'], fontSize=10, textColor=colors.HexColor('#1a1a1a'), fontName='Helvetica', spaceBefore=2, spaceAfter=4, leftIndent=8, leading=14, alignment=TA_JUSTIFY) bullet_style = ParagraphStyle('Bullet', parent=styles['Normal'], fontSize=10, textColor=colors.HexColor('#1a1a1a'), fontName='Helvetica', spaceBefore=1, spaceAfter=1, leftIndent=18, bulletIndent=8, leading=13) section_style = ParagraphStyle('Section', parent=styles['Normal'], fontSize=13, textColor=colors.white, fontName='Helvetica-Bold', backColor=colors.HexColor('#1a3a5c'), spaceBefore=10, spaceAfter=8, leftIndent=6, rightIndent=6, leading=18) qa_data = [ { "q": "Q1. Pediatrics as a science of a healthy and sick child. Main stages of development and formation of pediatrics. Role of Russian scientists.", "a": [ ("Definition:", "Pediatrics is the branch of medicine dealing with the health and diseases of children from birth through adolescence. It covers prevention, diagnosis, and treatment of diseases, as well as the study of normal growth and development."), ("Main stages of development:", ""), ("• Ancient period:", "Hippocrates described infant diseases; early Indian/Arabic physicians wrote on child health."), ("• 18th century:", "Foundation of scientific pediatrics — separate wards for children established."), ("• 19th century:", "First children's hospitals opened (Paris 1802, St. Petersburg 1834). Pediatrics recognized as independent discipline."), ("• 20th century:", "Major advances in immunology, neonatology, nutrition, and genetics."), ("Role of Russian scientists:", ""), ("• S.F. Khotovitsky (1796–1885):", "First Russian professor of pediatrics; wrote 'Pediatrika' (1847) — first Russian pediatrics textbook."), ("• N.F. Filatov (1847–1902):", "Father of Russian pediatrics; described Filatov's disease (infectious mononucleosis), Filatov's sign (early measles). Authored 'Clinical Lectures on Children's Diseases'."), ("• G.N. Speransky (1873–1969):", "Organized pediatric care in Soviet Russia; founded Institute of Pediatrics; promoted prophylactic pediatrics."), ("• A.A. Kisel (1859–1938):", "Described Jones criteria precursor for rheumatic fever diagnosis."), ("• M.S. Maslov (1885–1961):", "Major contributions to pathophysiology in children."), ] }, { "q": "Q2. Organization of maternity and childhood protection in Russia.", "a": [ ("System overview:", "Russia has a state-funded, multilevel system for maternal and child health protection."), ("Key structures:", ""), ("• Women's Consultation Clinics (Zhenskaya Konsultatsiya):", "Provide antenatal care, obstetric supervision, gynecological services. First visit ideally before 12 weeks gestation."), ("• Maternity Hospitals (Roddom):", "3-level system — Level I (normal deliveries), Level II (moderate risk), Level III (high-risk, premature, NICU)."), ("• Children's Polyclinics:", "Primary outpatient care for children 0–17 years. Pediatrician-based model with home visits for newborns."), ("• Children's Hospitals:", "Inpatient specialized care."), ("• House of the Child (Dom Rebenka):", "Residential care for orphaned/abandoned infants."), ("• Sanatorium-Resort Facilities:", "Rehabilitation for chronically ill children."), ("Legal basis:", "Federal Law No. 323-FZ 'On the Fundamentals of Health Protection' guarantees free medical care for children. National projects 'Health' and 'Demography' fund maternal and child services."), ("Key metrics monitored:", "Maternal mortality, infant mortality, neonatal mortality, birth rate."), ] }, { "q": "Q3. Medical care forms for children. Principles of clinical examination. Groups of dispensary follow-up.", "a": [ ("Forms of medical care:", ""), ("• Primary (polyclinic):", "Outpatient care, preventive visits, vaccination, dispensary observation."), ("• Emergency care:", "Ambulance (SMP), emergency departments."), ("• Specialized/inpatient:", "Children's hospitals, departments."), ("• Rehabilitation:", "Sanatoriums, physiotherapy departments."), ("Principles of dispensary (clinical examination):", "Active detection of diseases; regular scheduled follow-up; individualized health-improving measures; assessment of treatment efficacy."), ("Dispensary groups (Health Groups):", ""), ("• Group I:", "Healthy children with no chronic diseases and normal development."), ("• Group II:", "Healthy children with risk factors, functional deviations, or frequent acute illnesses (>4/year). No chronic disease."), ("• Group III:", "Children with compensated chronic disease in remission. Rare exacerbations. Normal activity."), ("• Group IV:", "Children with subcompensated chronic disease. Frequent exacerbations, moderate functional limitations."), ("• Group V:", "Children with decompensated severe chronic disease/disability. Significantly limited activity."), ] }, { "q": "Q4. Infant mortality — causes, structure, and ways to reduce.", "a": [ ("Definition:", "Infant mortality = deaths in children under 1 year per 1,000 live births. Key indicator of population health."), ("Structure by period:", ""), ("• Neonatal (0–28 days):", "~65–70% of infant deaths. Causes: prematurity/low birth weight, birth asphyxia, congenital malformations, respiratory distress syndrome, infections (sepsis, pneumonia)."), ("• Post-neonatal (1–11 months):", "~30–35%. Causes: SIDS, infections (pneumonia, diarrheal diseases), congenital anomalies, accidents."), ("Leading causes globally:", "Preterm complications, pneumonia, intrapartum complications, neonatal sepsis, diarrheal diseases, congenital anomalies."), ("Ways to reduce infant mortality:", ""), ("• Antenatal care:", "Early registration, risk screening, treatment of maternal illness."), ("• Skilled birth attendance:", "Trained personnel, clean delivery."), ("• Breastfeeding promotion:", "Reduces infections, SIDS."), ("• Immunization:", "Prevents pneumonia, diarrhea, measles, meningitis."), ("• Neonatal care:", "Kangaroo care, resuscitation, NICU access for preterm."), ("• IMCI (Integrated Management of Childhood Illness):", "WHO strategy for low-resource settings."), ("• Socioeconomic improvement:", "Nutrition, sanitation, maternal education."), ] }, { "q": "Q5. Vaccination schedule. General vaccination rules.", "a": [ ("Russian National Immunization Schedule (key vaccines):", ""), ("• BCG:", "Hours 3–7 of life (all newborns), revaccination at 7 years if tuberculin-negative."), ("• Hepatitis B:", "First dose — first 24 hours; 2nd — 1 month; 3rd — 6 months. (High-risk: 0-1-2-12 scheme)"), ("• DTP (diphtheria, tetanus, pertussis):", "3, 4.5, 6 months (3 doses); booster at 18 months. DT only at 7 and 14 years."), ("• IPV/OPV (polio):", "3 and 4.5 months — IPV; 6 months, 18 months, 20 months — OPV; 14 years — OPV."), ("• Hib (Haemophilus influenzae type b):", "3, 4.5, 6 months; booster at 18 months (risk groups)."), ("• MMR (measles, mumps, rubella):", "12 months; revaccination at 6 years."), ("• Pneumococcal vaccine:", "2 and 4.5 months; booster at 15 months."), ("• Influenza:", "Annually from 6 months."), ("General vaccination rules:", ""), ("• Child must be healthy at time of vaccination (no fever, no acute illness)."), ("• Obtain informed consent from parents/guardians."), ("• Check contraindications and medical history."), ("• Cold chain must be maintained (2–8°C for most vaccines)."), ("• Use sterile disposable syringes."), ("• Correct route and site: IM (deltoid/anterolateral thigh), SC, ID (BCG)."), ("• Observe child 30 minutes post-vaccination for immediate reactions."), ("• Record in vaccination card (Form 063/u)."), ("• Do not mix vaccines in same syringe unless specified."), ("• Intervals: live vaccines same day or ≥4 weeks apart if not given simultaneously."), ] }, { "q": "Q6. Contraindications to vaccination: absolute and relative. Prevention of post-vaccination reactions and complications. First aid.", "a": [ ("ABSOLUTE contraindications:", ""), ("• Severe allergic reaction (anaphylaxis) to previous dose of that vaccine."), ("• Severe allergy to vaccine component (e.g., neomycin, gelatin)."), ("• Encephalopathy within 7 days of prior pertussis vaccine."), ("• Combined immunodeficiency — absolute CI for ALL live vaccines (MMR, OPV, BCG, varicella)."), ("• BCG specific: birth weight <2000 g; HIV-positive child."), ("• MMR specific: pregnancy, severe immunodeficiency."), ("RELATIVE (temporary) contraindications:", ""), ("• Acute febrile illness — defer until afebrile for 2–4 weeks."), ("• Moderate/severe acute illness."), ("• Recent blood transfusion or Ig administration (defer live vaccines 3–11 months)."), ("• Premature infants (<34 weeks): BCG deferred until 2 kg weight and stable."), ("Post-vaccination reactions (normal):", "Local: redness, swelling, pain at injection site. Systemic: low-grade fever <38.5°C, malaise, irritability within 48 hours."), ("Post-vaccination COMPLICATIONS (pathological):", "Anaphylaxis, febrile convulsions (>38.5°C), severe local reaction (>8 cm swelling), BCG-itis/BCG-osteitis, vaccine-associated poliomyelitis (VAPP from OPV)."), ("Prevention:", "Screen for contraindications; pre-medicate high-risk children with antihistamines/paracetamol; maintain cold chain; correct technique."), ("First aid for anaphylaxis:", "Lay flat, legs elevated; EPINEPHRINE (adrenaline) 0.01 mg/kg IM (max 0.5 mg) immediately; call emergency services; O2; IV access; antihistamines and corticosteroids as secondary agents; monitor vitals."), ("First aid for febrile convulsion:", "Place on side, protect from injury, paracetamol/ibuprofen for fever, diazepam rectally/IV if seizure >5 min."), ] }, { "q": "Q7. Periods of childhood and their characteristics.", "a": [ ("1. Intrauterine period (0–40 weeks):", "Embryonic (0–8 wks): organ formation; fetal (9–40 wks): growth and maturation. Vulnerability to teratogens in embryonic period."), ("2. Neonatal period (0–28 days):", "Adaptation to extrauterine life. Transient physiological conditions: weight loss, jaundice, hormonal crisis, milia. High metabolic rate, fragile immune defenses."), ("3. Infancy (1 month–1 year):", "Fastest postnatal growth. Birth weight triples by 12 months. Brain growth. Major risk: nutritional deficits, infections. Exclusive breastfeeding for 6 months recommended."), ("4. Early childhood (1–3 years):", "Rapid motor and speech development. Walking, talking. Slower growth rate vs infancy. Anterior fontanelle closes by 12–18 months. First teeth complete by 20–24 months."), ("5. Preschool age (3–7 years):", "Fantasy and imagination flourish. Social skills develop. Growth ~5–7 cm/year, weight ~2 kg/year. Second dentition begins ~6 years."), ("6. Junior school age (7–11 years):", "Logical thinking, literacy. Steady growth. Permanent teeth erupt. Low disease rates vs earlier childhood."), ("7. Puberty/adolescence (11–18 years):", "Rapid hormonal changes. Growth spurt (girls 10–12 yrs, boys 12–14 yrs). Secondary sexual characteristics. Psychological challenges."), ] }, { "q": "Q8. Children's mental development stages.", "a": [ ("Piaget's cognitive stages:", ""), ("• Sensorimotor (0–2 yrs):", "Learn through senses and movement. Object permanence ~8–12 months."), ("• Preoperational (2–7 yrs):", "Language develops, egocentric thinking, symbolic play, no logical operations."), ("• Concrete operational (7–11 yrs):", "Logical thinking about concrete objects, conservation, classification."), ("• Formal operational (12+ yrs):", "Abstract reasoning, hypothetical thinking."), ("Key milestones:", ""), ("• 1 month:", "Fixes gaze, social smile."), ("• 3 months:", "Head control, coos, follows objects."), ("• 6 months:", "Sits with support, babbles, recognizes faces."), ("• 9 months:", "Crawls, pincer grasp emerging, stranger anxiety."), ("• 12 months:", "First words (mama/dada meaningfully), walks with support, points."), ("• 18 months:", "10–20 words, points to body parts, scribbles."), ("• 2 years:", "Two-word phrases, runs, parallel play."), ("• 3 years:", "3-word sentences, dresses partly, imaginative play."), ("• 5 years:", "Full sentences, knows colors/numbers, cooperative play."), ("Erikson's psychosocial stages (child years):", "Trust vs mistrust (0–1), Autonomy vs shame (1–3), Initiative vs guilt (3–6), Industry vs inferiority (6–12)."), ] }, { "q": "Q9. Physical development of children.", "a": [ ("Definition:", "Physical development is the process of biological maturation of an organism — measured by anthropometric, physiometric, and biological maturity indicators."), ("Parameters assessed:", "Height (length), weight, head circumference, chest circumference, skin fold thickness, puberty staging (Tanner)."), ("Body weight norms:", ""), ("• Birth:", "~3.0–3.5 kg (average 3.3 kg)"), ("• 1st 6 months:", "+600–800 g/month"), ("• 2nd 6 months:", "+400–500 g/month"), ("• By 4–5 months:", "Birth weight doubles (~6.5 kg)"), ("• By 12 months:", "Birth weight triples (~9.5–10 kg)"), ("Height norms:", ""), ("• Birth:", "~50 cm"), ("• 1st year:", "+25 cm (total ~75 cm)"), ("• Year 2:", "+10–12 cm"), ("• Year 3–puberty:", "+5–7 cm/year"), ("Head circumference:", "Birth ~34 cm; 12 months ~46–47 cm; grows ~1 cm/month for first 3 months, then slows."), ("Chest circumference:", "Birth ~33–34 cm; equals head circumference ~3–4 months; exceeds head by 1–2 cm thereafter."), ("Assessment methods:", "Centile charts (percentile curves), sigma method (comparison to population mean ± SD), biological maturity (bone age, dentition, puberty stage)."), ("Groups by physical development:", "Normal (25th–75th centile), above/below average, high/low, very high/very low."), ] }, { "q": "Q10. Breastfeeding. Difficulties and contraindications.", "a": [ ("Definition:", "Breastfeeding = feeding infant with mother's own milk directly from breast. WHO recommends exclusive breastfeeding for first 6 months with continuation up to 2 years or beyond."), ("Latch and technique:", "Wide open mouth, lower lip flanged, chin touching breast. Asymmetric latch preferred. Feeding on demand (8–12 times/24 hrs in newborn)."), ("Common difficulties:", ""), ("• Engorgement:", "Treat with frequent feeding, warm compress before, cold compress after feeding."), ("• Sore/cracked nipples:", "Correct latch, lanolin cream, air drying, nipple shields if necessary."), ("• Insufficient milk (hypogalactia):", "Increase feeding frequency, adequate maternal hydration and nutrition, skin-to-skin contact."), ("• Mastitis:", "Continue breastfeeding (usually safe), antibiotics (dicloxacillin/flucloxacillin), analgesia."), ("• Inverted/flat nipples:", "Nipple shells, manual eversion, lactation consultant."), ("• Jaundice:", "Breast milk jaundice (harmless, peaks day 10–14) — continue feeding. Breastfeeding jaundice (inadequate intake) — increase feeding frequency."), ("Contraindications from MOTHER:", ""), ("• HIV infection (in developed countries — formula preferred; in resource-poor settings WHO advises exclusive breastfeeding with ARV coverage)."), ("• Active untreated TB (until sputum-negative for 2 weeks on treatment)."), ("• Active herpes simplex lesions on breast."), ("• Chemotherapy/cytotoxic drugs, radioactive isotopes."), ("• Alcohol/drug abuse."), ("• Certain medications: amiodarone, chloramphenicol, gold salts, ergotamine."), ("Contraindications from INFANT:", ""), ("• Classic galactosemia (absolute CI — cannot metabolize galactose in lactose)."), ("• Phenylketonuria (partial CI — special low-Phe formula needed, limited breastfeeding possible)."), ("• Maple syrup urine disease."), ] }, { "q": "Q11. Benefits/functions of breast milk.", "a": [ ("Nutritional benefits:", "Ideal macronutrient balance for infant. Whey:casein ratio 60:40 (easily digestible). Contains long-chain polyunsaturated fatty acids (DHA, ARA) for brain and retinal development."), ("Immunological benefits:", ""), ("• Secretory IgA (sIgA):", "Highest in colostrum; coats intestinal mucosa; prevents pathogen adhesion."), ("• Lactoferrin:", "Bacteriostatic; sequesters iron from bacteria; anti-inflammatory."), ("• Lysozyme:", "Bacteriolytic enzyme."), ("• Macrophages, lymphocytes, neutrophils:", "Active immune cells transferred to infant."), ("• Cytokines and growth factors:", "IL-10, TGF-β — promote immune tolerance."), ("• Prebiotics (oligosaccharides):", "Promote growth of Lactobacillus and Bifidobacterium; reduce pathogen colonization."), ("Developmental benefits:", "Reduced risk of SIDS, obesity, type 1/2 diabetes, celiac disease, IBD, allergic disease, leukemia, NEC in preterm. Higher IQ scores in breastfed children."), ("Colostrum (days 1–5):", "Yellow, thick, high protein, high sIgA, growth factors, vitamin A; acts as 'first vaccine'. Volume 10–100 mL/day."), ("Transitional milk (days 5–14):", "Increasing fat and lactose content."), ("Mature milk (after 14 days):", "Foremilk (watery, thirst-quenching) and hindmilk (fat-rich, calorie-dense)."), ("Maternal benefits:", "Uterine involution (oxytocin), reduced postpartum hemorrhage, delayed ovulation (lactational amenorrhea), reduced risk of breast/ovarian cancer, osteoporosis."), ] }, { "q": "Q12. Qualitative and quantitative differences: human milk vs cow's milk.", "a": [ ("Comparison table:", ""), ("• PROTEIN: Human milk 0.9–1.2 g/100 mL vs Cow's milk 3.2–3.5 g/100 mL. Human milk has whey:casein 60:40 (soft curd, easy digest); cow's milk 20:80 (tough curd). Human milk contains taurine, cysteine, nucleotides — essential for infant brain. Cow's milk lacks these in adequate amounts."), ("• FAT: Human milk 3.5–4.5 g/100 mL vs Cow 3.5 g/100 mL. Human milk rich in DHA, ARA (brain dev); has lipase for self-digestion. Cow's milk lacks lipase; different fatty acid profile."), ("• CARBOHYDRATES: Human milk 7–7.5 g/100 mL (mainly lactose + oligosaccharides) vs Cow 4.5–4.8 g/100 mL. Lactose promotes Lactobacillus; oligosaccharides are unique prebiotics in human milk."), ("• MINERALS (ash): Human milk 0.2 g/100 mL vs Cow 0.7 g/100 mL. Cow's milk has 3x more Na, K, Cl — high renal solute load dangerous for infants. Ca:P ratio 2:1 (human) vs 1.2:1 (cow) — human ratio better for absorption."), ("• IRON: Human milk 0.07 mg/100 mL vs Cow 0.05 mg/100 mL. Human milk iron bioavailability ~50% vs <10% from cow's milk. Lactoferrin enhances iron absorption in human milk."), ("• VITAMINS: Human milk adequate in most vitamins (except D and K). Cow's milk lower in vitamins C, D. Both require vitamin D supplementation."), ("• IMMUNOLOGICAL: Human milk — rich in sIgA, lactoferrin, lysozyme, live cells. Cow's milk — no immune factors (destroyed by pasteurization/heat)."), ("• CALORIES: Both ~65–70 kcal/100 mL."), ("Key clinical point:", "Cow's milk is NOT recommended for infants under 12 months due to high renal solute load, low iron bioavailability, risk of gastrointestinal blood loss, and lack of immune factors."), ] }, { "q": "Q13. Ways of calculating food amount for infants. Daily requirements for nutrients and calories.", "a": [ ("Methods of calculating food amount:", ""), ("1. Volumetric method (by body weight):", ""), (" - Age 2–6 weeks: 1/5 of body weight/day"), (" - Age 6 weeks–4 months: 1/6 of body weight/day"), (" - Age 4–6 months: 1/7 of body weight/day"), (" - Age 6–9 months: 1/8 of body weight/day"), (" - Age 9–12 months: 1/9 of body weight/day"), (" Maximum daily volume: 1000 mL/day"), ("2. Caloric method (Moll method):", "0–3 months: 120 kcal/kg/day; 3–6 months: 115 kcal/kg/day; 6–9 months: 110 kcal/kg/day; 9–12 months: 100 kcal/kg/day."), ("3. Finkelstein formula (for newborns):", "Volume per feeding (mL) = 10 × day of life (up to day 10). Max ~70 mL/feed."), ("Daily nutrient requirements (infants on breastfeeding):", ""), ("• Protein: 2.2–2.5 g/kg/day (0–6 months); 1.6–2.0 g/kg/day (6–12 months)."), ("• Fat: 5.5–6.0 g/kg/day (provides ~50% of calories)."), ("• Carbohydrates: 13–14 g/kg/day."), ("• Calories: 100–120 kcal/kg/day depending on age."), ("• Water: 150 mL/kg/day (exclusively breastfed infants do not need supplemental water)."), ] }, { "q": "Q14. Complementary foods. Rules for introduction. Terms and rules for weaning.", "a": [ ("Definition:", "Complementary foods = any nutrient-containing food or liquid other than breast milk/formula introduced from ~6 months."), ("Timing:", "WHO: exclusive breastfeeding for first 6 months, then introduce complementary foods while continuing breastfeeding. Russia: introduction from 4–6 months depending on individual readiness."), ("Signs of readiness:", "Can sit with support, head control, shows interest in food, lost tongue-thrust reflex, doubled birth weight."), ("Order of introduction (Russian guidelines):", ""), ("• 4–6 months: Vegetable puree (single vegetable — zucchini, cauliflower, broccoli). Begin with 5–10 g, increase to 150 g over 7–10 days."), ("• 5–7 months: Porridge (gluten-free first — rice, buckwheat, corn). Begin with 5–10 g, increase to 150–200 g."), ("• 6–8 months: Meat puree (turkey, rabbit, beef). Start 5 g, increase to 60–80 g."), ("• 7–8 months: Fruit puree, juice."), ("• 8–9 months: Yolk (egg yolk) — ¼ yolk initially."), ("• 9–12 months: Fish, fermented dairy (kefir, cottage cheese)."), ("Rules for introduction:", ""), ("• Introduce ONE new food at a time."), ("• Start with small amounts (5–10 g), increase gradually over 7–10 days."), ("• Introduce in morning feeding to monitor reactions."), ("• Puree to smooth consistency initially; lumpier textures as tolerance develops."), ("• Do not add salt, sugar, or spices."), ("• Delay if child is ill, vaccinated within last few days, or under stress."), ("Weaning from breast:", "Gradual reduction of breastfeedings over weeks. Avoid abrupt weaning (mastitis risk). Ideal: natural weaning with child's readiness. Avoid weaning during hot weather, illness, or major life changes."), ] }, { "q": "Q15. Regimen and diet of a nursing mother.", "a": [ ("Caloric needs:", "Nursing mothers need +500 kcal/day above normal requirements. Total ~2500–3000 kcal/day."), ("Protein:", "+25–30 g/day above normal. Total ~100–110 g/day. Sources: lean meat, fish, dairy, eggs, legumes."), ("Fat:", "~80–100 g/day. Emphasize unsaturated fats (fish, vegetable oils). Restrict saturated/trans fats."), ("Carbohydrates:", "~350–400 g/day. Complex carbohydrates preferred."), ("Fluids:", "2–2.5 L/day total fluids. Drink a glass of water before each feeding."), ("Vitamins and minerals:", "Calcium: 1200 mg/day (dairy, green vegetables). Iron: 25 mg/day. Vitamin D: 800–1000 IU/day. Iodine: 250 mcg/day. Folate: 500 mcg/day."), ("Foods to avoid:", "Alcohol (absolute restriction). Coffee/caffeine (limit to <300 mg/day). Highly allergenic foods if family history of allergy: exotic fruits, chocolate, honey, whole cow's milk (in excess), red/orange fruits (can cause allergy in infant). Gas-producing foods (cabbage, legumes) may cause infant colic. Spicy food, garlic (may alter milk taste)."), ("Sleep and rest:", "Mother should get adequate rest (6–8 hours sleep). Stress reduces prolactin and milk production."), ("Medications:", "Always check safety before taking any drug. Most antibiotics pass into milk; consult physician."), ] }, { "q": "Q16. Mixed feeding. Rules for introduction of supplementary feeding. Methods for determining amount of supplementary feeding.", "a": [ ("Definition:", "Mixed feeding = when infant receives both breast milk AND formula (but breast milk provides ≥1/5 of total daily volume)."), ("Indications for supplementary feeding:", "Hypogalactia confirmed (insufficient milk supply). Poor infant weight gain. Prolonged physiological weight loss (>8–10% birth weight by day 5–7, not regained by day 14). Medical conditions preventing adequate breastfeeding."), ("Rules for supplementary feeding:", ""), ("• Always offer breast FIRST, then supplement with formula (preserves breastfeeding)."), ("• Use cup, spoon, or supplemental nursing system (SNS) — avoid bottle nipple if possible (nipple confusion)."), ("• Use age-appropriate adapted formula."), ("• Calculate supplement volume individually."), ("• Reassess milk supply regularly (may be able to reduce supplement)."), ("Methods for determining supplement volume:", ""), ("1. Test weighing:", "Weigh infant before and after breastfeeding (without changing clothes). Difference = volume of breast milk consumed. Subtract from calculated daily need. Repeat over 24 hours for accuracy."), ("2. Caloric calculation:", "Calculate total daily caloric need (100–120 kcal/kg/day). Calculate calories from breast milk obtained. Supplement to meet remaining calories."), ("3. Clinical signs:", "Monitor wet diapers (≥6/day expected), weight gain (20–30 g/day in 0–3 months), contentment after feeding."), ] }, { "q": "Q17. Artificial feeding. Reasons for transfer. Assessment criteria of effectiveness.", "a": [ ("Definition:", "Artificial feeding = infant receives only formula (breast milk provides <1/5 of daily volume or none)."), ("Reasons for transfer to artificial feeding:", ""), ("Mother-side:", "Agalactia (complete milk absence). Severe, untreatable hypogalactia. Maternal illness requiring contraindicated medications. HIV (in developed countries). Maternal death."), ("Infant-side:", "Classic galactosemia. Phenylketonuria (complete). Other metabolic disorders."), ("Choice of formula:", "Use adapted formula (see Q19). Match to infant's age. Correct preparation (follow manufacturer instructions exactly, use cooled boiled water)."), ("Rules of artificial feeding:", "Sterilize bottles and nipples. Prepare fresh formula each time (do not store >1 hour at room temp). Feed on demand or every 3–3.5 hours (~6–7 feeds/day). Hold bottle to prevent air swallowing; burp after each feed."), ("Assessment criteria of effectiveness:", ""), ("• Weight gain:", "Adequate weight gain (20–30 g/day in 1st 3 months; 15–20 g/day in 3–6 months)."), ("• Height gain:", "Normal linear growth along centile chart."), ("• Stool pattern:", "1–4 stools/day, yellow-brown, homogeneous consistency. Formula-fed infants have less frequent, firmer stools than breastfed."), ("• Behavior:", "Content between feedings, adequate sleep, normal activity."), ("• Wet diapers:", "≥6/day indicates adequate hydration."), ("• Lab values:", "Hemoglobin, serum protein, albumin within normal range."), ("• Skin condition:", "No eczema, pallor, or signs of nutritional deficiency."), ] }, { "q": "Q18. Hypogalactia — classification, causes, treatment.", "a": [ ("Definition:", "Hypogalactia = insufficient milk production/secretion to meet infant's nutritional needs."), ("Prevalence:", "True primary hypogalactia is rare (<5%). Most hypogalactia is secondary and correctable."), ("Classification:", ""), ("By origin:", "Primary (true hypogalactia): hormonal/glandular failure — very rare. Secondary (acquired): most common; due to correctable causes."), ("By severity:", "Grade I: milk deficit <25%. Grade II: 25–50% deficit. Grade III: 50–75% deficit. Grade IV: >75% deficit (near agalactia)."), ("By timing:", "Early (<10 days postpartum); Late (after 10 days)."), ("Causes of secondary hypogalactia:", ""), ("• Infrequent feeding / long intervals (most common cause — inadequate stimulation)."), ("• Poor latch or suckling."), ("• Maternal fatigue, stress, anxiety."), ("• Poor maternal nutrition/hydration."), ("• Early introduction of pacifiers or supplementary formula (nipple preference)."), ("• Maternal illness: anemia, thyroid dysfunction, mastitis."), ("• Medications: hormonal contraceptives (especially estrogen-containing), bromocriptine, pseudoephedrine, diuretics."), ("• Smoking."), ("Treatment:", ""), ("• Increase feeding frequency (every 2 hours, including night feeds)."), ("• Ensure correct latch."), ("• Skin-to-skin contact (kangaroo care) — boosts oxytocin and prolactin."), ("• Maternal rest and stress reduction."), ("• Adequate nutrition and fluid intake."), ("• Galactagogues (use with caution): Domperidone (10 mg TID) — increases prolactin. Metoclopramide (short courses). Herbal: fenugreek, blessed thistle (limited evidence)."), ("• Treat underlying causes (anemia, mastitis, thyroid disease)."), ] }, { "q": "Q19. Classification of milk formulas for artificial feeding. Correction of artificial feeding.", "a": [ ("Classification of milk formulas:", ""), ("A. By degree of adaptation:", ""), ("• Highly adapted (for 0–6 months):", "Closest to human milk. Whey:casein 60:40. Low mineral/protein content. Contains DHA, ARA, oligosaccharides. Examples: NAN 1, Nutrilon 1, Humana 1, Similac 1."), ("• Partially adapted (for 6–12 months):", "Higher casein, higher protein and minerals. Examples: NAN 2, Nutrilon 2."), ("• Non-adapted (unadapted):", "Kefir, diluted cow's milk — NOT recommended for infants <12 months."), ("B. Specialized/therapeutic formulas:", ""), ("• Premature/low birth weight:", "High protein, high calorie, enriched with Ca, P. (Similac Special Care, PreNAN)"), ("• Anti-reflux (AR):", "Thickened with carob/rice starch. Reduces regurgitation. (Nutrilon AR, Frisomil)"), ("• Hypoallergenic (HA):", "Partially hydrolyzed whey protein. For allergy prevention. (NAN HA)"), ("• Extensively hydrolyzed:", "For confirmed cow's milk protein allergy (CMPA). (Nutramigen, Pregestimil, Alimentum)"), ("• Amino acid-based:", "Severe CMPA, multiple food protein intolerance. (Neocate, Elecare)"), ("• Soy-based:", "CMPA (controversial — 40–60% cross-react), lactose intolerance, galactosemia."), ("• Lactose-free:", "Lactase deficiency, post-gastroenteritis lactose intolerance."), ("• Metabolic:", "PKU formula (low phenylalanine), galactosemia formula."), ("Correction of artificial feeding:", "If formula is inadequate, correct by: adjusting volume to meet caloric needs; switching to more appropriate formula; adding complementary foods at correct age; protein correction — if deficit, switch to higher-protein formula for age; iron supplementation from 4 months if not in formula."), ] }, { "q": "Q20. Nutrition of healthy children older than 1 year. Needs for proteins, fats, carbohydrates, calories.", "a": [ ("Daily caloric requirements:", "1–3 years: 1200–1400 kcal/day (about 100 kcal/kg/day). 4–6 years: 1600–1800 kcal/day. 7–10 years: 1800–2100 kcal/day. 11–14 years: 2000–2500 kcal/day (higher for boys). Protein:Fat:Carbohydrate ratio = 1:1:4 (by calories ~15%:30%:55%)."), ("Protein requirements:", "1–3 years: 3–4 g/kg/day or 36–40 g/day total. 4–7 years: 50–60 g/day. School age: 65–80 g/day. 60–70% should be animal-origin (meat, fish, dairy, eggs) for complete amino acid profile."), ("Fat requirements:", "1–3 years: 3–4 g/kg/day or 40–45 g/day. 4–7 years: 50–60 g/day. Include vegetable oils (30% of fat) for polyunsaturated fatty acids. Restrict trans fats."), ("Carbohydrate requirements:", "1–3 years: 13–15 g/kg/day or 160–180 g/day. 4–7 years: 250–300 g/day. School age: 300–350 g/day. Emphasis on complex carbohydrates, fruit, vegetables. Limit refined sugar (<10% of calories)."), ("Meal frequency:", "1–3 years: 5 meals/day. 3–7 years: 4–5 meals/day. School age: 4 meals/day (breakfast, lunch, afternoon snack, dinner). Breakfast: 25% of daily calories; Lunch: 35%; Snack: 15%; Dinner: 25%."), ("Key foods >1 year:", "Whole cow's milk from 12 months (up to 500 mL/day). Fish 2x/week. Eggs 3x/week. Meat daily. Fresh vegetables and fruit daily. Salt <2 g/day for toddlers."), ] }, { "q": "Q21. Anatomical and physiological features and semiotics of bone system damage.", "a": [ ("Anatomical features:", "Children's bones: more water content, less minerals → more elastic, less brittle. Periosteum is thicker → greenstick fractures common (incomplete fractures). Cartilaginous growth plates (epiphyseal plates) present → vulnerable to injury. Rapid bone remodeling and healing."), ("Physiological features:", "Bone growth in length at epiphyseal growth plates (endochondral ossification). Bone growth in width by periosteum (intramembranous). Bones are less dense; cortex thinner. Higher metabolic rate → faster fracture healing."), ("Semiotics of bone system damage:", ""), ("• Rickets:", "Softening of bones (craniotabes in skull); frontal/parietal bossing; rachitic rosary (costochondral junction swelling); Harrison's groove; bowed legs (genu varum) or knock knees; delayed fontanelle closure; delayed dentition. Lab: low Ca, low P, high ALP, low 25-OH-D."), ("• Osteomyelitis:", "Bone pain, fever, local swelling, redness, tenderness; elevated ESR, CRP, WBC; X-ray changes appear after 10–14 days; MRI most sensitive early."), ("• Fractures:", "Pain, swelling, deformity, crepitus, restricted movement. Greenstick fractures in young children. Toddler's fracture (oblique tibia). Salter-Harris classification for growth plate injuries."), ("• Congenital hip dislocation (DDH):", "Ortolani and Barlow signs in newborn; asymmetric skin folds; limited abduction; Galeazzi sign; Trendelenburg gait when walking."), ("• Scoliosis:", "Lateral spinal curvature; shoulder/pelvis asymmetry; rib hump on Adam's forward bend test."), ] }, { "q": "Q22. Growth and skeletal development. Timing of fontanelle closure and cranial sutures. Sequence and timing of teeth eruption.", "a": [ ("Fontanelles:", ""), ("• Anterior (frontal) fontanelle:", "Diamond-shaped. Size at birth ~2.5–3 cm. Closes 12–18 months (range 9–24 months). Bulging = increased ICP. Sunken = dehydration."), ("• Posterior (occipital) fontanelle:", "Triangular. Often closed at birth or closes by 6–8 weeks."), ("• Lateral fontanelles (sphenoid, mastoid):", "Close by 2–3 months."), ("Cranial sutures:", "Metopic suture closes 6–12 months. Sagittal, coronal, lambdoid: functionally closed by 12–18 months, bony fusion by 2 years. Premature closure = craniosynostosis (requires surgical correction)."), ("Bone age:", "Assessed by wrist X-ray (carpals). At birth, only capitate and hamate. By 6 months, 1–2 ossification centers. Used to assess skeletal maturity and growth disorders."), ("Deciduous (primary) teeth eruption:", "Total = 20 teeth."), ("• 6–8 months: Lower central incisors (first to erupt)"), ("• 8–10 months: Upper central incisors"), ("• 10–12 months: Upper lateral incisors"), ("• 12–16 months: Lower lateral incisors"), ("• 16–20 months: First molars"), ("• 20–24 months: Canines"), ("• 24–30 months: Second molars"), ("Formula: Number of teeth = age (months) – 6 (applicable 6–24 months)"), ("Permanent teeth eruption:", "Begin ~6 years with first permanent molar ('6-year molar') and lower central incisor. All 28 permanent teeth by ~14 years. Wisdom teeth 17–25 years."), ] }, { "q": "Q23. Features of phosphorus-calcium metabolism and regulation. Daily needs in Ca, P, and Vitamin D (ages 1–3 years).", "a": [ ("Features in children:", "High bone turnover rate requires constant Ca and P supply. Positive calcium balance required for growth (absorption must exceed losses). Vitamin D critical for intestinal Ca absorption and renal Ca reabsorption."), ("Key hormones regulating Ca-P metabolism:", ""), ("• Parathyroid hormone (PTH):", "↑ serum Ca (↑ bone resorption, ↑ renal Ca reabsorption, ↑ renal P excretion, ↑ 1,25-OH₂D synthesis)."), ("• Vitamin D (calcitriol 1,25-OH₂D):", "↑ intestinal Ca and P absorption; ↑ renal Ca reabsorption; promotes bone mineralization. Synthesized in skin (UV-B → D3 → liver hydroxylation → kidney hydroxylation)."), ("• Calcitonin:", "Secreted by thyroid parafollicular C-cells. ↓ serum Ca by inhibiting osteoclasts and ↑ renal Ca/P excretion. Important during periods of rapid bone growth."), ("• FGF-23 (fibroblast growth factor 23):", "Phosphaturic hormone; ↓ renal P reabsorption; inhibits 1,25-OH₂D synthesis. Produced by osteocytes."), ("Serum values in children:", "Total calcium: 2.25–2.75 mmol/L (9–11 mg/dL). Ionized calcium: 1.1–1.4 mmol/L. Phosphorus: higher than adults (1.5–2.1 mmol/L in infants). Alkaline phosphatase: elevated in children (bone isoform) — normal up to 350–450 IU/L."), ("Daily requirements for ages 1–3 years:", ""), ("• Calcium: 700–800 mg/day"), ("• Phosphorus: 500–700 mg/day (Ca:P ratio ideally 1.5:1 to 2:1)"), ("• Vitamin D: 600–1000 IU/day (15–25 mcg/day). Supplementation routinely recommended in Russia (year-round) due to low sunlight exposure."), ("Rickets (Vitamin D deficiency):", "Most common metabolic bone disease of childhood. Early signs: craniotabes, irritability, sweating, alopecia. Later: skeletal deformities. Prevent with vitamin D 400–1000 IU/day."), ] }, { "q": "Q24. Anatomical and physiological features of the respiratory system.", "a": [ ("Nose and nasopharynx:", "Narrow nasal passages — minor mucosal edema causes significant obstruction. Absent sinuses at birth (ethmoid partial at birth; maxillary developed by 7 years; frontal by 7–8 years; sphenoid by 8–10 years). Eustachian tube short, wide, horizontal — predisposes to otitis media."), ("Larynx:", "Positioned higher (C3–C4 in infants vs C5–C6 in adults). Funnel-shaped (narrowest at subglottis — cricoid ring) → croup affects this area. Relatively large epiglottis — may cause airway obstruction. Softer cartilage."), ("Trachea and bronchi:", "Short, narrow, funnel-shaped trachea. Mucous membrane well-vascularized — edema forms rapidly. Right main bronchus more vertical (foreign body tends to enter right lung). Bronchi have less smooth muscle and elastic tissue — reduced bronchoconstriction ability but vulnerable to secretion obstruction."), ("Lungs:", "At birth: fluid-filled, rapidly cleared with first breaths. Alveoli small and few at birth (~20 million); increase to 300–400 million by age 8 years. Collateral ventilation (pores of Kohn) absent in infants — atelectasis forms easily. Elastic tissue poorly developed — low compliance. Respiratory rate decreases with age: newborn 40–60/min; 1 year 30–35/min; 5 years 20–25/min; adult 16–18/min."), ("Respiratory muscles:", "Diaphragm is primary muscle of breathing in infants (rib cage horizontal, intercostals inefficient). Any abdominal distension impairs breathing in infants. Chest compliant — sternal and intercostal retractions visible with increased work of breathing."), ("Clinical implications:", "High metabolic rate → high O2 demand. Reserve capacity low → rapid respiratory failure. Narrow airways → small edema/secretion causes large resistance increase."), ] }, { "q": "Q25. Anatomical and physiological features of the cardiovascular system.", "a": [ ("Heart position:", "Lies more horizontally in infants (transverse position). As lungs expand and diaphragm descends, heart assumes more oblique position by school age."), ("Heart size and weight:", "Relatively larger in children (heart/body weight ratio: 0.8% in infants vs 0.5% in adults). Walls of both ventricles approximately equal at birth; RV slightly dominant. LV wall thickens rapidly in first months."), ("Heart rate (HR):", "Higher in children (higher metabolic rate, lower vagal tone). Newborn: 120–160/min; 1 year: 110–130/min; 5 years: 85–100/min; 10 years: 75–85/min; adult: 60–80/min."), ("Blood pressure (BP):", "Lower in children; increases with age. Systolic BP approximated as: 80 + 2×age(years) mmHg. Diastolic = 2/3 of systolic. Newborn: 70–75/50 mmHg; 1 year: 90–95/60 mmHg; school age: 100–110/60–70 mmHg."), ("Cardiac output:", "Higher per kg body weight in infants. Primarily rate-dependent (stroke volume small and relatively fixed due to less compliant myocardium)."), ("Vessel features:", "Arteries relatively wider than in adults. Lumen of pulmonary artery and aorta equal in infants (aorta relatively smaller). High arterial compliance. Capillary network denser — facilitates metabolic exchange."), ("Physiological features:", "Fetal hemoglobin (HbF) persists in neonatal period — higher O2 affinity. Ductus arteriosus and foramen ovale close functionally at birth (complete closure weeks to months). ECG differences: right axis deviation, right ventricular dominance pattern in neonates; gradual shift to adult pattern."), ] }, { "q": "Q26. Features of organogenesis of the cardiovascular system of the fetus and newborn.", "a": [ ("Embryonic development:", "Heart begins forming at 3 weeks gestation (cardiac tube). By week 4: S-shaped heart tube with peristaltic contractions. By week 8: four chambers, valves, and major vessels formed. Congenital heart defects arise from errors in this period."), ("Fetal circulation features:", ""), ("• Placenta = organ of gas exchange (lungs are non-functional)."), ("• Umbilical vein: carries oxygenated blood from placenta → liver (ductus venosus bypasses liver) → IVC → RA."), ("• Foramen ovale: interatrial opening; directs oxygenated blood from RA → LA → LV → systemic circulation (brain and heart get best-oxygenated blood)."), ("• Ductus arteriosus (Botallo's duct): connects pulmonary artery to descending aorta; diverts blood AWAY from lungs (high pulmonary vascular resistance). ~87% of RV output goes through DA to systemic."), ("• Ductus venosus: connects umbilical vein to IVC, bypassing hepatic circulation."), ("• Two umbilical arteries: carry deoxygenated blood back to placenta."), ("Changes at birth:", ""), ("• First breath → lungs expand → pulmonary vascular resistance falls dramatically."), ("• Pulmonary blood flow increases 10-fold."), ("• Umbilical cord cut → placental circulation ends → systemic vascular resistance rises."), ("• LA pressure exceeds RA pressure → foramen ovale closes functionally (within hours; anatomically sealed weeks–months)."), ("• Ductus arteriosus: constricts within hours due to rising PaO2 and falling prostaglandins. Functionally closed by 24–48 hours; anatomically closed (ligamentum arteriosum) by 3–4 weeks. Persistent PDA in premature infants (indomethacin/ibuprofen to close; surgical ligation if needed)."), ("• Ductus venosus: closes to become ligamentum venosum within weeks."), ("• Umbilical vessels: become ligaments."), ] }, { "q": "Q27. Anatomical and physiological features and semiotics of nervous system damage.", "a": [ ("Anatomical features:", "Brain relatively large (neonatal brain ~330 g; ~25% of adult weight). Brain weight doubles by 12 months, triples by 3 years. Myelination incomplete at birth — continues throughout childhood (complete by ~20–25 years). Gyri and sulci less defined at birth. CSF volume proportionally larger. Blood-brain barrier less mature — greater vulnerability to toxins, bilirubin (kernicterus)."), ("Physiological features:", "Reflexes present at birth: rooting, sucking, Moro, palmar/plantar grasp, stepping, Babinski. Most neonatal reflexes disappear by 3–6 months as cortical control develops. Persistence of neonatal reflexes beyond expected age suggests neurological damage. Babinski reflex (plantar extensor response) NORMAL up to 18–24 months."), ("Semiotics of CNS damage:", ""), ("• Meningeal signs:", "Neck stiffness (nuchal rigidity); Kernig's sign (inability to extend knee with hip flexed); Brudzinski's signs (neck/cheek/symphysis). Indicate meningeal irritation (meningitis, subarachnoid hemorrhage). Note: these signs may be ABSENT in neonates and young infants!"), ("• Increased intracranial pressure (ICP):", "Bulging fontanelle; sunset sign (downward gaze, Parinaud's); vomiting (projectile); headache; Macewen's sign (cracked-pot percussion of skull); papilledema (late, unreliable in infants)."), ("• Pyramidal tract damage:", "Spasticity, hyperreflexia, clonus, positive Babinski (after 18 months), pronator drift."), ("• Cerebral palsy (CP):", "Nonprogressive motor disorder from perinatal brain injury. Spastic (most common), athetoid, ataxic. Delayed motor milestones, abnormal tone."), ("• Seizures:", "May present as subtle changes in neonates (apnea, eye deviation, lip smacking). Febrile convulsions common 6 months–5 years."), ] }, { "q": "Q28. Hematopoiesis of the fetus.", "a": [ ("Sites of hematopoiesis during fetal development:", ""), ("• Mesoblastic (yolk sac) phase (weeks 3–8):", "First hematopoiesis occurs in yolk sac blood islands. Produces primitive erythroblasts containing embryonic hemoglobin (Hb Gower 1, Hb Gower 2, Hb Portland). Large nucleated red cells."), ("• Hepato-splenothymic phase (weeks 6–30):", "Liver becomes primary site of hematopoiesis from week 6 (peaks at 3rd month). Spleen hematopoietic from weeks 10–28. Thymus produces lymphocytes from week 10. Liver produces HbF (fetal hemoglobin α₂γ₂) predominantly."), ("• Medullary (bone marrow) phase (from week 20 onwards):", "Bone marrow begins hematopoiesis at week 20 and becomes DOMINANT site from week 30–32. By birth, bone marrow is primary site. In young children: ALL bone marrow (red marrow) is hematopoietically active. Conversion to yellow (fatty) marrow begins in peripheral long bones in late childhood."), ("Key features:", ""), ("• Fetal RBCs are larger (macrocytic) and nucleated (normoblasts)."), ("• HbF has higher O2 affinity (γ-chains vs β-chains) — suitable for low O2 placental environment."), ("• Extramedullary hematopoiesis (liver, spleen) can reactivate in severe anemia (thalassemia, hereditary spherocytosis)."), ("• Reticulocyte count: high in fetus and neonate (up to 4–7% at birth) → falls to 0.5–1.5% by 1 week."), ] }, { "q": "Q29. Changes in hemoglobin types. Dynamics of erythrocyte and hemoglobin indicators by age.", "a": [ ("Hemoglobin types:", ""), ("• Embryonic Hb (Gower 1, 2; Portland):", "First 8 weeks. Yolk sac origin. Disappear completely by 10 weeks."), ("• Fetal Hb (HbF = α₂γ₂):", "Dominant from week 8 until birth. At birth: ~70–80% of total Hb. Falls to <1% of adult Hb by 6–12 months. High O2 affinity (P50 ~19 mmHg vs adult 27 mmHg) — left-shifted O2 dissociation curve → beneficial in low-O2 fetal environment."), ("• Adult HbA (α₂β₂):", "Gradually increases after birth. By 6 months: ~95% HbA. By 12 months: essentially adult proportions."), ("• HbA2 (α₂δ₂):", "2–3.5% in adults. Increased in β-thalassemia trait."), ("Erythrocyte dynamics:", ""), ("• Birth: High RBC count 5.0–7.0 ×10¹²/L; large (MCV ~100–110 fL); HbF dominant."), ("• Days 1–7: Physiological decline begins (RBCs have shorter lifespan; HbF switch; reduced erythropoietin due to high O2 after birth)."), ("• 2–3 months: Nadir of 'physiological anemia of infancy' — Hb may fall to ~100–110 g/L. RBC ~3.5–4.0 ×10¹²/L. Normal and self-limiting."), ("• 6–12 months: Gradual rise toward normal values as adult Hb production established."), ("Hemoglobin values by age:", ""), ("• Newborn: Hb 145–220 g/L"), ("• 3 months: Hb 95–125 g/L (physiological nadir)"), ("• 6 months: Hb 110–130 g/L"), ("• 1 year: Hb 110–130 g/L"), ("• 3–6 years: Hb 115–135 g/L"), ("• Adult male: Hb 130–170 g/L; Female: 120–150 g/L"), ] }, { "q": "Q30. Dynamics of changes in absolute and relative quantity of leukocytes in children of different age groups.", "a": [ ("Total WBC count by age:", ""), ("• Newborn: 10–30 ×10⁹/L (very high, may resemble leukemoid reaction)"), ("• 1 week: 10–20 ×10⁹/L"), ("• 1 month: 8–14 ×10⁹/L"), ("• 1 year: 8–12 ×10⁹/L"), ("• 4–5 years: 6–12 ×10⁹/L"), ("• School age: 5–10 ×10⁹/L"), ("• Adult: 4–9 ×10⁹/L"), ("'Two crossovers' (physiological crosses in WBC differential):", ""), ("• At birth: Neutrophils ~60–65%, Lymphocytes ~25–30% → NEUTROPHIL DOMINANT."), ("• FIRST CROSS (~4–5 days of life): Neutrophils fall, lymphocytes rise → they become EQUAL (~45% each)."), ("• After 1st cross: Lymphocytes become dominant. By 1 month: Lymphocytes ~60%, Neutrophils ~30%."), ("• SECOND CROSS (~4–6 years of age): Neutrophils rise again, lymphocytes fall → they become EQUAL again (~45% each)."), ("• After 2nd cross: Neutrophils again dominant (as in adults: Neutrophils ~55–70%, Lymphocytes ~20–35%)."), ("Clinical significance:", "Physiological lymphocytosis in infants and young children (up to ~4 years) is NORMAL — do not mistake for pathological lymphocytosis. After 2nd cross, leukogram resembles adult pattern."), ("Other cells (age-independent approximations):", "Monocytes: 4–8%. Eosinophils: 1–4%. Basophils: 0–1%. Band neutrophils (stabs): <5% (higher in neonates and infection)."), ] }, ] story = [] # Title page story.append(Spacer(1, 1.5*cm)) story.append(Paragraph("PEDIATRICS — SECTION 1", title_style)) story.append(Paragraph("Comprehensive Exam Question & Answer Guide", subtitle_style)) story.append(Paragraph("Questions 1–30 | Short-to-Medium Answers", subtitle_style)) story.append(HRFlowable(width="100%", thickness=2, color=colors.HexColor('#1a3a5c'))) story.append(Spacer(1, 0.5*cm)) for item in qa_data: story.append(Paragraph(item["q"], q_style)) for entry in item["a"]: if len(entry) == 2: label, text = entry if label == "" and text == "": story.append(Spacer(1, 2)) elif text == "": # Section sub-header story.append(Paragraph(f"<b>{label}</b>", a_style)) else: combined = f"<b>{label}</b> {text}" if label else text if label.startswith("•"): story.append(Paragraph(combined, bullet_style)) else: story.append(Paragraph(combined, a_style)) story.append(HRFlowable(width="100%", thickness=0.5, color=colors.HexColor('#cccccc'))) doc.build(story) print("PDF generated successfully!") PYEOF echo "Script written."

cd /tmp/workspace/pediatrics && python generate_pdf.py

ls -lh /tmp/workspace/pediatrics/Pediatrics_Section1_QA.pdf