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': 'Which one of the following is true of hyaline membrane disease of the newborn – \nSelect and explain. \nA. Prematurity provides relative protection of the occurrence, B. Maternal steroid exposure increase severity of the disease, C. Phosphatidyl glycerol estimation is a reliable method of diagnosis, D. Surfactant increases the surface tension of a iveoli', 'role': 'user'}, {'content': 'Answer: C \nExplanation: In HMD surfactant is reduced and its measurement can be used for diagnosis e.g. in shake test.\nConstituent of surfactant are - dipalmitoyl phosphatidylcholine (lecithin), phosphatidylglycerol, apoproteins (surfactant proteins SPA, SPB, SPC, SPD) and cholesterol.', 'role': 'assistant'}]