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Which of the following Cranial nerve is the Facial nerve in human beings?

Which of the following Cranial nerve is the Facial nerve in human beings? Correct Answer VII

Concept:
  • The nerves which arise from the brain are called the cranial nerves.
  • Humans and other mammals have 12 pair of cranial nerves.
  • There are 3 types of cranial nerves based on their action.
  1. Sensory 
  2. Motor
  3. Mixed

Explanation:

  • The VIIth pair of Cranial nerve supplies the face, neck, taste buds & Salivary glands. It is a purely sensory cranial nerve.
  • It is also known by the name facial nerve.
  • Its primary functions are Detection of taste (ant. 2/3rd part of the tongue), facial expression & Secretion of saliva.

Important Points 

  • The largest cranial nerve is the Trigeminal nerve.
  • The smallest cranial nerve is the Abducens cranial nerve.
  • The longest cranial nerve is the Vagus nerve.

Additional Information

Number of the nerve Name of the nerve Functions The character of the nerves
1(I) Olfactory Smell Afferent
2(II) Optic Sight or Vision Afferent
3(III) Oculomotor Moves eye and controls pupil Efferent
4(IV) Trochlear Moves eye Efferent
5(V) Trigeminal face sensation Mixed
6(VI) Abducent Moves eye Efferent
7(VII) Facial Moves face and salivate Mixed
8(VIII) Vestibulocochlear hearing and body balance Afferent
9(IX) Glossopharyngeal taste and swallow Mixed
10(X) Vagus heart rate and digestion Mixed
11(XI) Accessory head movement Efferent
12(XII) Hypoglossal tongue movement Efferent

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