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Cranial Nerve Anatomy 02

Topic: Anatomy

Created on Saturday, September 14 2013 by jdmiles

Last modified on Saturday, September 14 2013.

Which of the following cranial nerves serves some motor function, but does not serve a sensory function?

A) Optic nerve

B) CN I

C) Olfactory nerve

D) CN IV

E) CN X

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This question was created on September 14, 2013 by jdmiles.
This question was last modified on September 14, 2013.

ANSWERS AND EXPLANATIONS

A) optic nerve

This answer is incorrect.

The optic nerve (CN II) has a sensory component, but does not serve a motor function. (See References)

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B) CN I

This answer is incorrect.

The olfactory nerve (CN I) has a sensory component, but does not serve a motor function. (See References)

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C) olfactory nerve

This answer is incorrect.

The olfactory nerve (CN I) has a sensory component, but does not serve a motor function. (See References)

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D) CN IV

This answer is correct.

The trochlear nerve (CN IV) has a motor component, but does not serve a sensory function. (See References)

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E) CN X

This answer is incorrect.

The vagus nerve (CN X) serves both motor and sensory functions. (See References)

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References:

1. John Nolte; three-dimentional brain reconstructions by John Sundsten. The human brain: an introduction to its functional anatomy. Philadelphia, PA : Mosby/Elsevier, c2009. (ISBN:9780323041317)

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anatomy
Cranial Nerve Anatomy 02
Question ID: 91413101
Question written by J. Douglas Miles, (C) 2006-2009, all rights reserved.
Created: 09/14/2013
Modified: 09/14/2013
Estimated Permutations: 1201200