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 birth 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: Most common cause of respiratory distress in a term or post-term neonate —3 Meconium aspiration.\nMost common cause of respiratory distress in a preterm infant —> hyaline membrane disease.', 'role': 'assistant'}]