Select the correct statement about the regulation of gastric secretion.
A) Gastric secretion can be stimulated before food has entered the mouth.
B) The presence of food in the stomach prevents hormonal control of gastric secretion.
C) Vagus stimulation of the stomach results in decreased secretion of gastric juice.
D) Gastric secretion is enhanced by very low pH (below a pH of 2).

Question

Quizplus · Accepted Answer

Gastric secretion can be stimulated by the sight, smell, and taste of food, activating the cephalic phase of secretion before food has even entered the mouth.

Answer: D
 Gastric secretion is enhanced by very low pH (below a pH of 2) through a positive feedback loop, as low pH stimulates the release of more gastric juice.

Select the Correct Statement About the Regulation of Gastric Secretion