Multiple choice

Which structure keeps food from entering the trachea?

  1. Cartilaginous rings

  2. Epiglottis

  3. Glottis

  4. Larynx

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The epiglottis is a flap of cartilage that covers the trachea during swallowing to prevent food from entering the airway. The glottis is the opening itself.