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Skull Foramina 02

Topic: Anatomy

Created on Saturday, February 9 2008 by jdmiles

Last modified on Monday, July 15 2024.

Which of the following nerves passes through the superior orbital fissure?

 
        A) Mandibular nerve
 
        B) CN I
 
        C) Trochlear nerve
 
        D) Vagus nerve
 
        E) CN II
 

 


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This question was created on February 09, 2008 by jdmiles.
This question was last modified on July 15, 2024.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS




A) mandibular nerve

This answer is incorrect.


CN V-3 (mandibular nerve) passes through the foramen ovale, but not through the superior orbital fissure.  (See References)

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B) CN I

This answer is incorrect.


CN I (olfactory nerve) passes through the cribiform plate, but not through the superior orbital fissure.  (See References)

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C) trochlear nerve

This answer is correct.


The superior orbital fissure contains CN IV (trochlear nerve), CN III (oculomotor nerve), CN V-1 (ophthalmic nerve), and CN VI (abducens nerve).

  (See References)

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D) vagus nerve

This answer is incorrect.


CN X (vagus nerve) passes through the jugular foramen, pars vascularis, but not through the superior orbital fissure.  (See References)

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E) CN II

This answer is incorrect.


CN II (optic nerve) passes through the optic canal, but not through the superior orbital fissure.  (See References)

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References:

1. David L. Felten, Ralph F., Md. Jozefowicz, Frank H., Md. Netter, . Netter's Atlas of Human Neuroscience. ICON Learning Systems (ISBN:1929007167)Advertising:
2. Robert I. Grossman, David M. Yousem. Neuroradiology: the requisites. Philadelphia, Pa. : Mosby, c2003. (ISBN:9780323005081)Advertising:
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anatomy
Skull Foramina 02
Question ID: 02090802
Question written by J. Douglas Miles, (C) 2006-2009, all rights reserved.
Created: 02/09/2008
Modified: 07/15/2024
Estimated Permutations: 1201200

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