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': 'RDS in Neonate is due to deficiency of? \nSelect and explain. \nA. Sphingomyelin, B. Ceramide, C. Dipalmitoyl, D. All of above', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., dipalmitoyl HMD (Respiratory distress syndrome) Primary seen in : PRETERM Baby of diabetic mother Multiple bih LSCS delivery Bih asphyxia Incidence in preterm inversely related to gestational age and bih weight. Primary cause - Surfactant deficiency leads to atelectatic lung. Major constituent of surfactant - la Dipalmitoyl phosphatidylcholine (lecithin) Phosphatidylglycerol A protein Cholesterol Synthesized and stored in type II alveolar cell. X-ray fine granuloreticular pattern with air bronchogram", 'role': 'assistant'}]