Which gastrointestinal hormone is released when the pH in the duodenum falls as acidic chyme arrives from the stomach?
A) HCl
B) gastric inhibitory peptide
C) cholecystokinin
D) secretin
E) gastrin

Question

Quizplus · Accepted Answer

Secretin is released from the duodenum in response to the arrival of acidic chyme from the stomach. It stimulates the pancreas to secrete bicarbonate ions, which neutralize the acid, and inhibits the further release of HCl from the stomach.

Which Gastrointestinal Hormone Is Released When the PH in the Duodenum