This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory System, Subject name: Physiology
[{'content': 'Surfactants are synthesized by- \nSelect and explain. \nA. Type 1 cells, B. Type-2 cells, C. Epithelial cells, D. Endothelial cells', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Type-2 cells * Surfactant is produced by type II pneumocytes.", 'role': 'assistant'}]