Question

In the state of fasting, leptin, PYY, GLP-1, and CCK levels increase, and ghrelin levels decrease. These endocrine changes feed back to the hypothalamus to increase appetite.

A) True

B) False

Answer 1

In the state of fasting, leptin, PYY, GLP-1, and CCK levels increase, and ghrelin levels decrease, which feedbacks to the hypothalamus to increase appetite.

Step-by-step explanation:

True. When a person is in a state of fasting, several hormones related to appetite regulation undergo changes. Leptin, PYY, GLP-1, and CCK levels all increase, while ghrelin levels decrease. These changes act as feedback signals to the hypothalamus, which then increases appetite.