Which of these activities occurs during the cephalic phase of gastric digestion
A)CCK is secreted by the small intestine.
B)Chemoreceptors detect fatty acids in the duodenum.
C)Stretch receptors detect distension of the stomach.
D)Sight, smell, thought, or taste of food triggers parasympathetic impulses.

Question

Quizplus · Accepted Answer

The cephalic phase of gastric digestion is the earliest stage and is triggered by the senses of sight, smell, thought, or taste of food. This triggers the parasympathetic impulses, which stimulate the release of digestive juices and enzymes in the stomach. Option A occurs in the intestinal phase, while option B and C are part of the gastric phase.

Which of These Activities Occurs During the Cephalic Phase of Gastric