This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory System Pa 1, Subject name: Physiology
[{'content': 'Surfactant is secreted by which of the following: \nSelect and explain. \nA. Type I pneumocyte, B. Type II pneumocyte, C. Seoli cell, D. Leydig cell', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Type I pneumocyte: Involved in gas exchange makes up 80-90% of alveolar cells. Type II pneumocyte: Secrete surfactant makes up 5-10 % area alveolar cells. Seoli cell: Present in seminiferous tubules, responsible for nourishment spermatozoa during spermatogenesis, has FSH receptors & secrete inhibin. Leydig cell: Produces testosterone in response to LH.', 'role': 'assistant'}]