Percentage of biliary atresia cases causing neonatal cholestasis?

Correct Answer: C

Rationale: Biliary atresia accounts for about 25% of neonatal cholestasis cases, leading to bile duct obstruction and liver damage.

Correct Answer: C

Rationale: Hereditary angioedema presents as non-pitting, non-pruritic edema without urticaria, distinguishing it from allergic reactions.

Correct Answer: B

Rationale: Exhaled nitric oxide analysis directly measures airway inflammation, making it a useful tool in asthma management.

Correct Answer: D

Rationale: All statements are true; CNS leukemia has a poor prognosis, causes increased ICP, is prone to relapse, and can lead to cranial nerve palsies.

Correct Answer: C

Rationale: TTN is caused by delayed clearance of fetal lung fluid, leading to mild respiratory distress. Oxygen therapy and CPAP help maintain oxygenation while the condition resolves within 24-72 hours without requiring aggressive intervention.