NBDE Quiz # 52
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NBDE QUiz # 52
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1. Question
Bell’s palsy is caused by injury to what cranial nerve?
CorrectThe correct answer is B. Bell’s palsy is weakness or severance of the seventh cranial nerve that controls motor function of the muscles of facial expression. CN V is involved in sensory innervation of the face and motor function of the muscles of mastication. CN XII controls motor function of the tongue. CN IX controls motor function of the trapezius and sternocleidomastoid
IncorrectThe correct answer is B. Bell’s palsy is weakness or severance of the seventh cranial nerve that controls motor function of the muscles of facial expression. CN V is involved in sensory innervation of the face and motor function of the muscles of mastication. CN XII controls motor function of the tongue. CN IX controls motor function of the trapezius and sternocleidomastoid