This region of the neck is defined by the sternocleidomastoid muscle anteriorly. It contains many nerves.
A) anterior line
B) trapezoid space
C) posterior triangle
D) anterior triangle

Question

Quizplus · Accepted Answer

The posterior triangle of the neck is defined anteriorly by the sternocleidomastoid muscle and contains many nerves, including the accessory nerve (cranial nerve XI), cervical plexus, and parts of the brachial plexus.

This Region of the Neck Is Defined by the Sternocleidomastoid