Which is a function of the accessory (XI) nerve?
A) conveys impulses from taste buds on the posterior one-third of the tongue
B) conveys impulses to visceral, cardiac, and skeletal muscles
C) conveys motor impulses to the sternocleidomastoid and trapezius muscles
D) controls movement of the tongue during speech and swallowing

Question

Quizplus · Accepted Answer

The accessory nerve (XI) primarily conveys motor impulses to the sternocleidomastoid and trapezius muscles, enabling movements such as head rotation, head flexion, and shoulder elevation.

Which Is a Function of the Accessory (XI) Nerve