Which of the following is NOT involved in swallowing?
A. Contracture of the upper esophageal sphincter.
B. Coordination by the swallowing center in the medulla oblongata.
C. The approximation of the vocal cords to close the glottis.
D. The raising of the larynx to close its entrance.
E. The elevation of the soft palate to close the nasopharynx.
AnswerTags:
MCQ, Physiology, Swallowing
Category:
Physiology MCQs
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