This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
[{'content': 'Most common cause of respiratory distress after bih in first 24 hours is - \nSelect and explain. \nA. Neonatal sepsis, B. Meconium aspiration, C. Bacterial pneumonia, D. Air embolism', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Meconium aspiration o Most common cause of respiratory distress in a term or post-term neonate -4 Meconium aspiration. o Most common cause of respiratory distress in a preterm infant --> hyaline membrane disease.", 'role': 'assistant'}]