BRAIN
CRANIAL NERVES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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trigeminal (V)
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olfactory (I)
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vagus (X)
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oculomotor (III)
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Detailed explanation-1: -The trigeminal nerve is the largest of the cranial nerves and provides sensory and motor innervation to the muscles of mastication.
Detailed explanation-2: -The trigeminal nerve is responsible for sensory enervation of the face and motor enervation to muscles of mastication (chewing).
Detailed explanation-3: -The facial nerve is the seventh cranial nerve (CN VII). It arises from the brain stem and extends posteriorly to the abducens nerve and anteriorly to the vestibulocochlear nerve.
Detailed explanation-4: -Function. The sensory function of the trigeminal nerve is to provide tactile, proprioceptive, and nociceptive afference to the face and mouth. Its motor function activates the muscles of mastication, the tensor tympani, tensor veli palatini, mylohyoid and the anterior belly of the digastric.