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: Gynaecology & Obstetrics
[{'content': 'Lamellar bodies in amniotic fluid, used to assess fetal lung maturity are derived from \nSelect and explain. \nA. Syncytiotrophoblast, B. Pulmonary vascular endothelium, C. Type II pneumocytes, D. Chorionic epithelium', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Lamellar body count is rapid, simple and accurate method to assess fetal lung maturity that is comparable to L/S ratio.', 'role': 'assistant'}]