Multiple Choice
Which of the following statements about gastrin is TRUE?
A) It is mainly secreted by cells in the epithelium of the duodenum.
B) It is an enzyme that is secreted into the lumen of the stomach.
C) It is a hormone that is secreted in response to sympathetic stimulation.
D) It is an enzyme that breaks down proteins.
E) It is a hormone that is secreted in response to the presence of peptides in the stomach.
Correct Answer:
Verified
Correct Answer:
Verified
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