Cholecystokinin (CCK):
A)Is a hormone that is released during the fasting stage,which signals it is time to eat
B)Injected directly into the bloodstream of obese humans decreases meal size
C)Is produced in the liver during a meal
D)Is a hormone released in the blood stream when fluid levels are low

Question

Quizplus · Accepted Answer

Cholecystokinin (CCK) is released in response to food in the stomach and small intestine. It stimulates the release of pancreatic enzymes and bile, and also acts as an appetite suppressant by reducing food intake. Injecting CCK directly into the bloodstream has been shown to decrease meal size, making option B the correct answer.