I have enough information from the library and my medical knowledge to answer all 19 questions comprehensively. Here are all the answers with full reasoning:
SECTION "A" - BCQ Answers with Reasoning
Q1. Patient in ER - severe pain & profuse bleeding from leg after RTA
Answer: d) Control of obvious hemorrhage
In ATLS protocol, the primary survey follows A-B-C-D-E. However, massive external hemorrhage is treated as a "zero step" - control of life-threatening bleeding is done simultaneously with or even before airway management. Profuse bleeding from a limb is immediately life-threatening (haemorrhagic shock), so direct pressure/tourniquet to stop bleeding is the first priority. Airway management follows right after.
Q2. 29-year-old lady, isolated 4th posterior rib fracture, severe pain, normal chest X-ray
Answer: a) Analgesics and reassurance
A single isolated rib fracture with a normal chest X-ray (no pneumothorax, no haemothorax, no flail chest) is managed conservatively with adequate analgesia (NSAIDs, intercostal nerve block if needed) and reassurance. The main risk is splinting due to pain leading to atelectasis, so pain control is the priority. ORIF is never indicated for a single rib fracture.
Q3. Lady with left heel pain, calcaneal spur on X-ray, GP suggested surgery
Answer: d) Needs shoe modifications and stretching exercises
A calcaneal spur (plantar fasciitis) is primarily managed conservatively. First-line treatment includes:
- Heel cushions and shoe modifications
- Plantar fascia and Achilles tendon stretching exercises
- NSAIDs for pain
Surgery (fasciotomy) is a last resort only after 6-12 months of failed conservative treatment. The spur itself is not always the pain generator - plantar fasciitis is the real diagnosis.
Q4. Maximum recommended dose of Ibuprofen in 24 hours
Answer: c) 1600 mg/day
The standard adult dose of ibuprofen is 400 mg three times daily = 1200 mg/day for OTC use. However, the maximum recommended therapeutic dose is 1600 mg/day (400 mg QID) for prescription use in adults. The absolute maximum in clinical practice can reach 2400 mg/day only under medical supervision. For a non-prescription/standard recommendation, 1600 mg/day (as prescribed here - 600 mg TID = 1800 mg, but the question asks maximum recommended) - the correct answer is c) 1600 mg/day as the standard maximum recommended daily dose for ibuprofen in adults.
Q5. 3-year-old boy - greenstick fractures of radius and ulna mid-shafts
Answer: c) Manipulation under Anesthesia and casting
Greenstick fractures in children are incomplete fractures (the bone bends and partially breaks). Treatment is:
- Manipulation under anesthesia (MUA) to complete and reduce the fracture, followed by casting
- Children's bones have excellent remodeling potential
- Open reduction is NOT needed for simple greenstick fractures
- Simple casting without manipulation may not correct angulation adequately
Q6. 23-year-old, mid-shaft isolated femur fracture - safest transport
Answer: b) Apply Thomas splint with skin traction before shifting
For femoral shaft fractures, the Thomas splint with skin traction is the gold standard for pre-transport immobilization. It:
- Reduces blood loss (up to 1-2L can be lost in femur fracture - traction reduces the volume)
- Reduces pain and risk of fat embolism by immobilizing fracture ends
- Makes transport safe
- Intramedullary nailing is definitive treatment, NOT done before shifting
Q7. 27-year-old, RTA, GCS 14/15, definite indication for intubation
Answer: c) GCS 07 or below
The standard threshold for definitive airway management (intubation) in trauma is GCS ≤ 8. This is because patients with GCS ≤ 8 cannot protect their airway. A GCS of 7 or below is the accepted cut-off. GCS 9 or below is too liberal; GCS 3 or 5 are too late/severe as "indications."
Q8. 40-year-old, fall on outstretched hand, tenderness over anatomical snuff box, normal X-ray
Answer: a) Application of Scaphoid cast and repeat X-rays after two weeks
Tenderness in the anatomical snuff box = scaphoid fracture until proven otherwise, even with normal initial X-rays. Scaphoid fractures are frequently missed on initial radiographs. Management:
- Apply a scaphoid (thumb spica) cast immediately
- Repeat X-rays at 10-14 days (bone resorption at fracture site becomes visible)
- If still negative but clinically suspicious, MRI is the gold standard
- Never leave untreated - risk of avascular necrosis of proximal pole
Q9. 50-year-old lady, displaced intra-articular distal humerus fracture - basic rule
Answer: d) Stable fixation and early mobilization to prevent stiffness
The cardinal principle for intra-articular fractures is:
- Anatomical reduction (restore joint surface)
- Stable fixation (allows early movement)
- Early mobilization - the elbow joint is notorious for stiffness, so early ROM prevents contracture
Rigid fixation with late mobilization leads to stiffness and poor outcomes. This is the AO principle for peri-articular fractures.
Q10. 5-year-old boy, bowing of both knees (genu varum)
Answer: d) It is a self-limiting issue that needs observation only
Physiological genu varum (bow-legs) is normal in children up to age 2-3 years. In a 5-year-old with no other features:
- It is usually physiological and self-corrects by age 6-7 as the child develops valgus alignment
- No splints, surgery, or imaging needed unless severe, progressive, or asymmetric
- Parents need reassurance and observation
- Pathological causes (rickets, Blount disease) should be excluded if severe
Q11. Elderly woman, mid-shaft humerus oblique fracture, intact skin, no neurovascular damage, history of frozen shoulder (opposite side, recovered)
Answer: c) Plaster of Paris casting
For a closed mid-shaft humerus fracture in an elderly patient:
- Conservative management is the gold standard
- U-slab/coaptation splint (a form of POP) with collar-and-cuff sling allows gravity to aid reduction
- The history of frozen shoulder on the opposite side makes early mobilization important - but the fractured arm needs initial immobilization
- Open reduction is reserved for failed conservative treatment, neurovascular compromise, or specific fracture patterns
- POP/functional bracing is appropriate here
Q12. Open fracture of right tibia - could not close wound, needed plastic surgery for flap coverage
Answer: d) Type 3B
Gustilo-Anderson Classification:
- Type 1: <1 cm wound, clean, low energy
- Type 2: 1-10 cm wound, moderate contamination
- Type 3A: >10 cm wound, adequate soft tissue coverage possible despite extensive laceration/crush
- Type 3B: >10 cm wound with periosteal stripping, bone exposed, requires local/free flap for coverage - wound cannot be closed primarily
- Type 3C: Any size wound with arterial injury requiring repair
Since plastic surgery was needed for flap coverage (cannot close wound primarily), this is Type 3B.
Q13. 12-year-old girl, progressive varus deformity of ankle, prior ankle sprain treated with back slab - Salter-Harris Classification
Answer: d) Type 5
Salter-Harris Classification:
- Type 1: Slip through physis only
- Type 2: Through physis + metaphysis (most common)
- Type 3: Through physis + epiphysis
- Type 4: Through metaphysis + physis + epiphysis
- Type 5: Crush/compression injury of the physis - often missed initially, presents later with growth disturbance and progressive deformity
The key here: the initial injury appeared minor (treated as ankle sprain with back slab), but it caused premature physeal closure leading to progressive varus deformity. This is the hallmark presentation of Salter-Harris Type 5 - it is commonly missed at the time of injury and diagnosed retrospectively when growth arrest occurs.
Q14. 17-year-old, short stature, shorter limbs than trunk, closed physes, saddle nose, larger head, stubby trident hands, frontal bossing, thoracolumbar kyphosis
Answer: a) Achondroplasia
Classic features of Achondroplasia (autosomal dominant, FGFR3 mutation):
- Rhizomelic shortening (proximal limbs shorter)
- Normal trunk length (limbs short relative to trunk)
- Trident hands (stubby, spread fingers)
- Frontal bossing and midfacial hypoplasia (saddle nose)
- Macrocephaly (larger head)
- Thoracolumbar kyphosis/lordosis
- Normal intelligence and lifespan
- Early physeal closure
Q15. Elderly male, severe bony pains for 6 months, hat size increasing, bent tibia, larger head, forward stooping posture, X-ray shows coarse thickened cortex
Answer: d) Paget's disease
Classic presentation of Paget's Disease of Bone (Osteitis Deformans):
- Increasing hat size - classic hallmark (skull enlargement)
- Bent/bowed tibia - "sabre tibia"
- Coarse, thickened cortex on X-ray with mixed lytic/sclerotic pattern
- Progressive bone pain
- Waddling/stooping gait
- Elevated alkaline phosphatase
- Risk of sarcomatous change
Q16. 20-year-old male, back pain 1 year, restricted spinal mobility - confirming test
Answer: c) HLA B27
Young male with chronic back pain and restricted spinal mobility = Ankylosing Spondylitis until proven otherwise.
- HLA-B27 is present in 95% of Caucasian patients with AS
- It is the most specific confirmatory test for the diagnosis in this clinical context
- X-ray lumbar spine may show sacroiliitis and bamboo spine, but early changes can be missed
- XRAY is not as specific; HLA-B27 + clinical picture confirms the diagnosis
Q17. 50-year-old female, distal radius fracture, post-cast removal at 6 weeks, swollen, shiny hand, all joints stiff, severely painful to touch
Answer: b) Regional Sympathetic Dystrophy (RSD)
This is the classic presentation of Complex Regional Pain Syndrome Type 1 (CRPS-1) / Reflex Sympathetic Dystrophy (RSD):
- Follows a fracture or minor trauma
- Diffuse swelling, shiny skin
- Allodynia (severely painful to touch)
- Stiffness of ALL joints (not just fracture site)
- Vasomotor changes
- Can follow prolonged immobilization
Q18. Foot drop after intragluteal injection, cannot extend big toe or dorsiflex ankle, sensation intact on plantar aspect
Answer: a) Common peroneal part of the sciatic nerve
Detailed reasoning:
- Foot drop (inability to dorsiflex) + inability to extend big toe = deep peroneal nerve function (EHL, tibialis anterior)
- Intact plantar sensation = tibial nerve spared
- The sciatic nerve has two components: common peroneal (lateral) and tibial (medial)
- Intragluteal injections classically injure the common peroneal component of the sciatic nerve (it is more superficially placed and runs laterally)
- The common peroneal nerve is more vulnerable to injection injury than the tibial component
- This explains why dorsiflexion is lost but plantar sensation is intact
The answer is a) Common peroneal part of the sciatic nerve (not just "deep peroneal" because the injury is at the gluteal level, affecting the common peroneal component of the sciatic nerve before it divides).
Q19. Classification for neck of femur fracture
Answer: c) Gardens
Garden's Classification (1961) is the standard classification for intracapsular (subcapital) neck of femur fractures:
- Garden I: Incomplete/impacted (valgus impacted)
- Garden II: Complete, undisplaced
- Garden III: Complete, partially displaced
- Garden IV: Complete, fully displaced
Other classifications:
- Gartland - Supracondylar humerus fractures in children
- Schatzker - Tibial plateau fractures
- Salter-Harris - Physeal/growth plate injuries
Summary Table
| Q | Answer | Key Reason |
|---|
| 1 | d) Control hemorrhage | ATLS - life-threatening external bleed |
| 2 | a) Analgesics & reassurance | Single rib, normal CXR - conservative |
| 3 | d) Shoe modifications & stretching | Plantar fasciitis - conservative first |
| 4 | c) 1600 mg/day | Max recommended ibuprofen dose |
| 5 | c) MUA and casting | Greenstick in child - manipulate + cast |
| 6 | b) Thomas splint + skin traction | Safe femur fracture transport |
| 7 | c) GCS 07 or below | Intubation threshold = GCS ≤ 8 |
| 8 | a) Scaphoid cast + repeat X-ray | Snuffbox tenderness = scaphoid fracture |
| 9 | d) Stable fixation + early mobilization | AO principle for intra-articular fractures |
| 10 | d) Self-limiting, observation only | Physiological genu varum in children |
| 11 | c) Plaster of Paris casting | Closed mid-shaft humerus - conservative |
| 12 | d) Type 3B | Gustilo-Anderson - needs flap coverage |
| 13 | d) Type 5 | Salter-Harris - crush, growth arrest |
| 14 | a) Achondroplasia | Trident hands, frontal bossing, saddle nose |
| 15 | d) Paget's disease | Increasing hat size, bent tibia, thick cortex |
| 16 | c) HLA-B27 | Young male, back pain - confirm AS |
| 17 | b) RSD | Post-cast: swollen, shiny, allodynia |
| 18 | a) Common peroneal part of sciatic | Intragluteal injection, foot drop |
| 19 | c) Gardens | Neck of femur fracture classification |