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Facial Nerve Anatomy Quiz

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Questions and Answers

Which of these branches carry parasympathetic fibers?

Branches numbered 6 and 7

Branches numbered 7 and 9 (correct)

Branches numbered 3 and 5

Branches numbered 10 and 12

Which branch carries the sensory fibers for taste from the anterior two-thirds of the tongue?

Branch number 8

Branch number 9

Branch number 10

Branch number 7 (correct)

Which of these branches DO NOT carry motor fibers?

Branches numbered 5, 7, 9 and 11

Branches numbered 7, 9, 11 and 13

Branches numbered 9, 11, 13 and 15

Branches numbered 3, 5, 7 and 9 (correct)

Which of these branches carries sensory fibers from the external ear?

<p>Branch number 4 (C)</p> Signup and view all the answers

What type of fibers are found in the branches numbered 14, 15, 16, 17, and 18?

<p>Motor efferents (A)</p> Signup and view all the answers

Flashcards

Facial Nerve

A cranial nerve responsible for facial expressions and taste.

Parasympathetic Efferents

Nerve fibers that control involuntary bodily functions like salivation.

Sensory Afferents

Nerve fibers that carry sensory information to the brain from the face.

Motor Branches

Nerve fibers that control muscles of facial expression and scalp movement.

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Facial Expression Muscles

Muscles innervated by the facial nerve for facial expressions.

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Study Notes

Facial Nerve

The facial nerve has two parts:
- Parasympathetic efferents and sensory afferents
- Motor branches to muscles of facial expression and scalp muscles
The parasympathetic efferents and sensory afferents are labeled (a) in the diagram.
The motor branches to muscles of facial expression and scalp muscles are labeled (b) in the diagram.
The diagram shows the different components of the facial nerve.

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Description

Test your knowledge on the components of the facial nerve, including its parasympathetic, sensory, and motor functions. This quiz focuses on the anatomy and roles of the facial nerve as depicted in the accompanying diagram. Explore how each part contributes to facial expression and scalp movement.