Difficulty in swallowing may be a sign of damage to which cranial nerve(s)?
A)vagus
B)facial
C)glossopharyngeal
D)trochlear
E)vagus and glossopharyngeal

Question

Quizplus · Accepted Answer

Difficulty in swallowing, also known as dysphagia, can be caused by damage to the vagus and glossopharyngeal nerves, which are responsible for controlling the muscles involved in swallowing. The facial and trochlear nerves are not directly involved in swallowing, so choices B and D can be ruled out. While the glossopharyngeal nerve alone can contribute to swallowing, the vagus nerve plays a larger role in the process, making choice E the best answer.

Difficulty in Swallowing May Be a Sign of Damage to Which