A young male student becomes very hungry during class. He begins thinking of a cheeseburger and fries, his favorite meal. These thoughts will trigger which phase of gastric secretion?
a. Cephalic
b. Gastric
c. Enteral
d. Intestinal
ANS: A
The cephalic phase is stimulated by the thought, smell, and taste of food. The gastric phase is stimulated by distention of the stomach. The enteral phase is not a phase of gastric secretion. The intestinal phase is stimulated by histamine and digested protein.
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