Which of the following serves to end the menstrual cycle?
A) a surge in luteinizing hormone
B) the secretion of human chorionic gonadotropin
C) self-destruction of the corpus luteum causing a drop in estrogen and progesterone levels
D) a rise in the level of progesterone
E) a drop in the level of gonadotropic hormones in the blood
Correct Answer:
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Q22: Using your knowledge of the feedback loops
Q23: Which of the following hormones maintains the
Q24: FSH and LH are secreted by the
Q24: The primary oocyte and the layer of
Q26: Menstrual flow begins in response to
A) rising
Q28: Ovulation is triggered by
A) high levels of
Q29: Ovulation involves the
A) production of the first
Q30: For proper sperm production, the temperature in
Q31: The menstrual flow is the result of
A)
Q32: The corpus luteum produces
A) progesterone.
B) estrogen.
C) testosterone.
D)
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