Which of the following statements is not true of swallowing?
A) The buccal phase is a voluntary phase.
B) Breathing stops during the pharyngeal phase.
C) Primary peristaltic waves are controlled by the facial nerves.
D) Secondary peristaltic waves are needed if the bolus is dry.
E) The lower esophageal sphincter relaxes to allow the bolus to enter the stomach.

Question

Quizplus · Accepted Answer

Primary peristaltic waves are initiated by swallowing reflex mediated by the vagus nerve, not the facial nerves.

Which of the Following Statements Is Not True of Swallowing