This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology metabolism, Subject name: Physiology
[{'content': 'Inhibin-A is produced by? \nSelect and explain. \nA. Sertoli cell, B. Leydig cell, C. Hilus cell, D. Placenta', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. D PlacentaRef: Ganong, 25th ed. pg. 409, 425:* Inhibin A is produced by placenta and corpus luteum. It is used in quadruple screening for prenatal detection of down Syndrome.* Inhibin B inhibits FSH in both males and females. It is produced by Sertoli cells in male and granulosa cells in female.', 'role': 'assistant'}]