Successive contraction of constrictor muscles occurs and the epiglottis covers the opening in the larynx. This describes
a. the voluntary phase of swallowing.
b. the esophageal phase of swallowing.
c. the mastication reflex.
d. the pharyngeal phase of swallowing.
e. the regurgitation reflex.
Answer: D
Feedback : During the pharyngeal phase of swallowing there is successive contraction of the constrictor muscles and the epiglottis covers the opening in the larynx.