MCAT Question A Day - 7/7/14 - Answer!
During the female menstrual cycle, increasing levels of estrogen cause:
A. a positive feedback response, stimulating LH secretion by the anterior pituitary.
B. a positive feedback response, stimulating FSH secretion by the anterior pituitary.
C. a negative feedback response, stimulating a sloughing- off of the uterine lining.
D. a negative feedback response, stimulating decreased progesterone secretion by the anterior pituitary.
A is correct. Increased secretion of estrogen sets off the luteal surge, which involves increased secretion of LH and leads to ovulation.
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A is correct. Increased secretion of estrogen sets off the luteal surge, which involves increased secretion of LH and leads to ovulation.
Want more questions? - Click here to check out our MCAT Question A Day archive
