The primary hormone that triggers the secretion of pancreatic juice and bile is:

a. gastric inhibitory peptide.

b. cholecystokinin.

c. motilin.

d. somatostatin.

Video transcript

Hey, everyone. Let's take a look at this question together. Polycystic kin is the primary hormone responsible for triggering the secretion of pancreatic juice and bile. It is released by the cells located in which of the following is it? Answer choice. A the large intestine answer choice. B the liver, answer choice C, the small intestine or answer choice. D the pancreas. Let's work this problem out together to try to figure out which of the following answer choices is the structure that contains these cells that secrete cholecystokinin. So in order to solve this question, we have to recall what we have learned about the hormone cholecystokinin and where the secretion of pancreatic juice and bile takes place. And we can recall that bile and pancreatic juices are secreted into the small intestine and bile and pancreatic juices are secreted specifically into the duodenum and the jejunum by eye cells or the entero endocrine cells. And since the hormone cholecystokinin, the primary hormone responsible for triggering the secretion of pancreatic juice and bile, it would be released by the cells which are the eye cells or the entero endocrine cells, which we know are found in the small intestine. So answer choice c small intestine is the correct answer and all other answer choices are incorrect. I hope you found this video to be helpful. Thank you and goodbye.