Which of the following are mechanisms to prevent food from entering the larynx? (Check all that apply.)
A) Contraction of the thyroid cartilage, pinching closed the larynx
B) Movement of the tongue over the inlet to the larynx
C) Closure of the glottis
D) Tipping of epiglottis over glottis

Question

Quizplus · Accepted Answer

Closure of the glottis and tipping of the epiglottis over the glottis are mechanisms that prevent food from entering the larynx. Closure of the glottis involves the vocal cords coming together to block the entrance to the trachea, while the epiglottis tips over the glottis to cover the opening of the larynx during swallowing, directing food to the esophagus instead.

Which of the Following Are Mechanisms to Prevent Food from Entering