RDS in Neonate is due to deficiency of?
High-Yield Explanation
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