The purpose of pharyngeal constriction during the pharyngeal phase of swallowing is to:
A)open the cricopharyngeus
B)generate enough pressure to push the bolus through the pharynx
C)trigger the elevation of the larynx
D)clear the bolus from the laryngeal vestibule
E)invert the epiglottis

Question

Quizplus · Accepted Answer

The peristalsis of the pharynx serves to apply force to the tail of the bolus,thus helping to clear the bolus from the laryngeal vestibule.

The Purpose of Pharyngeal Constriction During the Pharyngeal Phase of Swallowing