Receptive relaxation refers to relaxation of the

Question

Quizplus · Accepted Answer

Receptive relaxation is a reflex response that occurs in the stomach when it begins to fill with food, allowing for an increase in volume with very little increase in pressure. This relaxation of the stomach wall is necessary to accommodate the ingested food during a meal. A is incorrect because the pharyngoesophageal sphincter relaxes to allow for the passage of food from the pharynx into the esophagus. B is incorrect because the pyloric sphincter controls the release of chyme from the stomach into the small intestine. C is incorrect because the external anal sphincter is under voluntary control and does not relax involuntarily.

Receptive Relaxation Refers to Relaxation of the