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Which of the following options is correct? A stab wound in the posterior triangle of the neck...

Question:

Which of the following options is correct?

A stab wound in the posterior triangle of the neck could damage any of the following structures except the

a. accessory nerve.

b. phrenic nerve.

c. external jugular vein.

d. external carotid artery.

Posterior Triangle

The posterior triangle of the neck is bounded anteriorly by the posterior border of the sternocleidomastoid, posteriorly by the anterior border of the trapezius, and inferiorly by the middle third of the clavicle. The plastysma forms the roof while deep muscles of the neck form the floor.

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Muscles of the Head and Neck: Anatomy, Motion & Support

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Chapter 6 / Lesson 3
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The muscles of the head and neck are responsible for a variety of movements, including facial expression, mastication, and eye movement, in addition to moving the head. This lesson identifies and describes the major muscles of the head and neck along with their general action.


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