Nokea
Consequences of a median nerve section in the ante-cubital fossa include:
- A. Complete paralysis of pronation
- B. Loss of sensation over palmar aspect of middle finger
- C. Wasting of hypothenar eminence
- D. Paralysis of abductor pollicis brevis
Correct Answer: D
Rationale: The median nerve controls the abductor pollicis brevis, and its injury at the ante-cubital fossa results in an inability to perform thumb abduction.
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Blueberry muffin' lesions seen in rubella is due to
- A. Dermal erythropoiesis
- B. Thrombocytopenia
- C. Ecchymosis
- D. Vasculitis
Correct Answer: A
Rationale: Blueberry muffin' lesions in congenital rubella are due to dermal erythropoiesis, where extramedullary hematopoiesis occurs in the skin.
An infant aged 16 months was referred for assessment of suspected mental retardation. Which of the following findings is/are outside the normal range?
- A. He does not scribble spontaneously with pencil on paper
- B. He does not walk alone
- C. Ma' and 'Dada' are the only recognisable words
- D. He is unable to build a tower of four cubes
Correct Answer: B
Rationale: Not walking alone by 16 months is a concern. Scribbling, limited vocabulary, and building towers are less concerning at this age.
A 2-year-old child is being treated for lead poisoning. Which of the following findings indicates the need for further intervention?
- A. Increased urine output
- B. Decreased hemoglobin levels
- C. Weight gain
- D. Improved developmental milestones
Correct Answer: B
Rationale: Lead poisoning can cause anemia, so a decrease in hemoglobin levels would indicate that further intervention is necessary.
Long-chain triglyceride absorption requires:
- A. Intraluminal bile salts
- B. Mixed micelle formation
- C. Intraluminal trypsin
- D. Intact duodenum
Correct Answer: B
Rationale: Mixed micelle formation: The absorption of long-chain triglycerides requires bile salts to form mixed micelles, which facilitate the transport of lipids across the intestinal mucosa.
Which among the following is not an admixture lesion?
- A. Transposition of great arteries
- B. Truncus arteriosus
- C. Total anomalous pulmonary venous connection
- D. Pulmonary atresia with intact ventricular septum
Correct Answer: D
Rationale: Pulmonary atresia with intact ventricular septum is not an admixture lesion.