75. The beginning of a new menstrual cycle is initiated by the production and release of _________, which occurs when
inhibition by _______ ceases.
(A) FSH and LH; GnRH
(B) GnRH; FSH and LH
(C) estrogen and progesterone; GnRH
(D) GnRH; estrogen and progesterone
(E) FSH and LH; estrogen and progesterone
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統計: A(1), B(4), C(7), D(19), E(17) #1122177
統計: A(1), B(4), C(7), D(19), E(17) #1122177