The release of secretin is stimulated by the action of
A) the alkaline material in the duodenum.
B) bile.
C) muscular contractions in the stomach.
D) nerves to the duodenum.
E) acid in the chyme within the duodenum.

Question

Quizplus · Accepted Answer

Secretin is released in response to acid in the chyme within the duodenum. When acidic chyme enters the duodenum from the stomach, secretin is secreted by the S cells of the duodenum to stimulate the pancreas to release bicarbonate, which helps neutralize the acid.

The Release of Secretin Is Stimulated by the Action of