The structure that seals off the nasopharynx during swallowing is called the
a. uvula.
b. false vocal cord.
c. true vocal cord.
d. epiglottis.

The soft palate is a soft flap of tissue at the roof of the mouth that closes the nasopharynx during swallowing.

Hope this helps!

answer: all of the above

a. apply ice to the affected area.

b. administer tylenol (acetaminophen).

c. put a gate across the stairs.

d. apply knee and elbow protectors.