GENERAL HISTOLOGY

NERVOUS SYSTEM SPECIAL SENSE

PERIPHERAL NERVE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What number CN is the Facial nerve
A
1
B
3
C
5
D
7
E
9
Explanation: 

Detailed explanation-1: -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-2: -Segments of the facial nerve The motor root and the nervus intermedius then pass through the posterior cranial fossa along with the vestibulocochlear nerve (VIII cranial nerve) at the cerebellopontine angle, finally entering the internal acoustic meatus in the temporal bone.

Detailed explanation-3: -The facial motor nucleus is a collection of neurons in the brainstem that belong to the facial nerve (cranial nerve VII). These lower motor neurons innervate the muscles of facial expression and the stapedius. Plan of the facial and intermediate nerves and their communication with other nerves.

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