Increased blood levels of which of the following hormones have been shown to strongly stimulate appetite?
A) insulin
B) leptin
C) ghrelin
D) cholecystokinin

Question

Quizplus · Accepted Answer

Ghrelin is a hormone produced by the stomach that is known as the "hunger hormone" because it strongly stimulates appetite. An increase in ghrelin levels causes an increase in appetite and food intake. In contrast, leptin is a hormone produced by fat cells that suppresses appetite, and its levels decrease when fasting or during weight loss. Insulin and cholecystokinin are also involved in regulating appetite, but they do not have as strong of an effect as ghrelin.

Increased Blood Levels of Which of the Following Hormones Have