Match the stimuli, labelled a. through d., with the descriptions. (Options may be used more than once or not at all.)
-stimulates secretion of secretin
A)fat in the duodenum
B)acid in the duodenum
C)acid in the stomach
D)protein in the stomach

Question

Quizplus · Accepted Answer

Secretin is secreted by the S cells of the duodenum in response to acidic contents (low pH) entering the duodenum from the stomach. Its main role is to neutralize the acidic chyme through the secretion of bicarbonate from the pancreas.

Match the Stimuli, Labelled A