BRAIN
CRANIAL NERVES
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The following nerves carry motor impulses to the swallowing muscles EXCEPT
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facial
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vagus
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hypoglossal
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glossopharyngeal
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Vestibulocochlear
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Explanation:
Detailed explanation-1: -The vestibulocochlear nerve (8th cranial nerve) is a sensory nerve. It is made up of two nerves, the cochlear, which transmits sound and the vestibular which controls balance.
Detailed explanation-2: -Cranial nerve IX – Glossopharyngeal nerve The efferent motor fibers of cranial nerve IX supply the stylopharyngeus muscle, 1 which helps elevate the larynx and expand the pharynx during swallowing.
Detailed explanation-3: -The vestibulocochlear nerve is accompanied by the labyrinthine artery, which usually branches off from the anterior inferior cerebellar artery at the cerebellopontine angle, and then goes with the 7th nerve through the internal acoustic meatus to the internal ear.
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