This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology and Reproduction, Subject name: Physiology
[{'content': 'Sertoli cell feedback mechanism involves \nSelect and explain. \nA. Decreased LH, B. Decreased FSH, C. Decreased TRH, D. Decreased CRH', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans (b) Decreased FSH(Ref: Ganong, 25th ed/p.417)Sertoli cells produce the hormone inhibin which inhibits pituitary FSH (negative feedback)LH acts on the Leydig cells of testis to increase the production and secretion of testosterone which inhibits LH (negative feedback).', 'role': 'assistant'}]