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Positive and Negative Feedback

View the animation below, then complete the quiz to test your knowledge of the concept.






1Which of the following ovarian hormones is involved in a positive feedback loop with the hypothalamus and the anterior pituitary?
A)progesterone
B)luteinizing hormone
C)gonadotropin releasing hormone
D)estrogen
E)gonadotropin



2Which of the following hormones is released by the anterior pituitary as a part of that positive feedback loop between it and the ovary?
A)progesterone
B)luteinizing hormone
C)gonadotropin releasing hormone
D)estrogen
E)gonadotropin



3Which of the following hormones is released by the corpus luteum after ovulation and causes a negative feedback loop with the hypothalamus and the anterior pituitary?
A)progesterone
B)luteinizing hormone
C)gonadotropin releasing hormone
D)estrogen
E)gonadotropin



4A positive feedback loop causes a self-amplifying cycle where a physiological change leads to even greater change in the same direction.
A)True
B)False



5A negative feedback loop is a process in which the body senses a change, and activates mechanisms to reverse that change.
A)True
B)False







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