<prompt> Sertoli cell feedback mechanism involvesDecreased LHDecreased FSHDecreased TRHDecreased CRH  <response>: Ans b Decreased FSHRef: Ganong, 25th edp.417Sertoli cells produce the hormone inhibin which inhibits pituitary FSH negative feedbackLH acts on the Leydig cells of testis to increase the production and secretion of testosterone which inhibits LH negative feedback. 