This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Biochemistry
In a preterm baby with respiratory distress syndrome which of the following lipid would be deficient 
Select and explain. 
A. sphingomyelin, B. cardiolipin, C. Dipalmitoyl phosphatidylcholine, D. None of the above
C: Dipalmitoyl phosphatidylcholine
Answer: C: Dipalmitoyl phosphatidylcholine 
Explanation: ref : lipincott