Secondary peristaltic waves in the esophagus
A) occur when a large or sticky bolus becomes stuck in the esophagus
B) are coordinated by the swallowing center
C) are coordinated by extrinsic nerve signals
D) occur when a large or sticky bolus becomes stuck in the esophagus, and are coordinated by the swallowing center
E) occur when a large or sticky bolus becomes stuck in the esophagus, and are coordinated by extrinsic nerve signals

Question

Quizplus · Accepted Answer

Secondary peristaltic waves occur when a large or sticky bolus becomes stuck in the esophagus to help clear it. They are not coordinated by the swallowing center or extrinsic nerve signals, but rather by local reflexes in the esophagus.

Secondary Peristaltic Waves in the Esophagus