Which of the following structures normally prevents swallowed food from entering the larynx and trachea?

Question

Quizplus · Accepted Answer

The epiglottis is a flap of tissue located at the base of the tongue that normally closes off the larynx and trachea during swallowing, preventing food from entering the airway. The gastroesophageal sphincter prevents the backflow of stomach acid into the esophagus, while teeth and tongue are not directly involved in preventing food from entering the respiratory system.

Which of the Following Structures Normally Prevents Swallowed Food from Entering