The hormone that causes contraction of the gallbladder when food enters the duodenum is:
A)gastrin
B)secretin
C)cholecystokinin
D)epinephrine

Question

Quizplus · Accepted Answer

Cholecystokinin (CCK) is produced by the duodenum in response to the presence of fat and protein in the small intestine. It stimulates the contraction of the gallbladder, which releases bile into the small intestine to aid in the digestion and absorption of fats.

The Hormone That Causes Contraction of the Gallbladder When Food