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Animation: Positive and Negative Feedback (Quiz 2)
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View the animation below, then complete the quiz to test your knowledge of the concept.






1Before ovulation, small amounts of estrogen are released by...
A)the ovaries.
B)the corpus luteum.
C)the anterior pituitary.
D)the hypothalamus.
E)the anterior pituitary and the hypothalamus.



2This stimulates the release of GnRH from...
A)the ovaries.
B)the corpus luteum.
C)the anterior pituitary.
D)the hypothalamus.
E)the anterior pituitary and the hypothalamus.



3After ovulation, progesterone is produced by...
A)the ovaries.
B)the corpus luteum.
C)the anterior pituitary.
D)the hypothalamus.
E)the anterior pituitary and the hypothalamus.



4Progesterone has a negative-feedback effect on GnRH and LH.
A)True
B)False



5Estrogen has a positive-feedback effect on GnRH and LH.
A)True
B)False







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