BRAIN
CRANIAL NERVES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Carries somatic motor impulses to the shoulder muscles
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Carries somatic sensory impulses from the facial skin
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Carries autonomic motor impulses to internal organs
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Carries auditory impulses to the temporal lobe
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Detailed explanation-1: -The accessory nerve provides motor function to some muscles in the neck. It controls the sternocleidomastoid and trapezius muscles that allow a person to rotate, extend, and flex the neck and shoulders.
Detailed explanation-2: -The spinal component of the accessory nerve provides motor control of the sternocleidomastoid and trapezius muscles. The trapezius muscle controls the action of shrugging the shoulders, and the sternocleidomastoid the action of turning the head.
Detailed explanation-3: -Accessory nerve (or spinal accessory nerve): Shoulder and neck muscle movement.
Detailed explanation-4: -The spinal accessory nerve is a purely motor entity. It innervates both the trapezius and the sternocleidomastoid muscles.