The external branch of ________ controls the sternocleidomastoid and trapezius muscles of the neck and back.
A) N VI
B) N XII
C) N VII
D) N XI
E) N IV

Question

Quizplus · Accepted Answer

The external branch of the spinal accessory nerve (N XI) controls the sternocleidomastoid and trapezius muscles of the neck and back. This nerve emerges from the skull through the jugular foramen along with N IX and N X.

The External Branch of ________ Controls the Sternocleidomastoid and Trapezius