Upon examination of a patient with a knife wound to the right side of her neck, you observe that the patient has weakness turning her head to the left against resistance and has a drooping right shoulder. Your diagnosis is injury to the:
A) right sternocleidomastoid muscle.
B) left levator scapulae muscle.
C) right spinal accessory nerve.
D) left dorsal scapular nerve.
E) right dorsal scapular nerve.
Ans: C
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