Which of the following phases of swallowing is voluntary?
A) The tongue pushing the bolus of the food towards the pharynx
B) The secretion of saliva rich in digestive enzymes by the parotid gland
C) The raising of the soft palate to cover the opening to the nasal cavity
D) The contraction of pharyngeal muscles to pull the pharynx towards the food
E) The peristaltic wave in the pharynx and esophagus to push the food towards the stomach

Question

Quizplus · Accepted Answer

The voluntary phase of swallowing involves the action of the tongue pushing the bolus of food towards the pharynx. This is a conscious effort to initiate swallowing.

Which of the Following Phases of Swallowing Is Voluntary