Multiple choice

During swallowing, nasopharynx is closed off by ________.

  1. soft and hard palate

  2. uvula alone

  3. hard palate and uvula

  4. uvula and soft palate

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

During swallowing, the soft palate (velum) elevates and the uvula swings backward to close off the nasopharynx. This prevents food/liquid from refluxing into the nasal cavity. The hard palate is anterior bone and doesn't move. Uvula alone cannot seal the opening.