Hole's Essentials of Human Anatomy & Physiology, 10th Edition (Shier)

Chapter 11: Endocrine System

Positive and Negative Feedback

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



1.

Which 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
2.

Which 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
3.

Which 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
4.

A 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
5.

A 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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