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Dillon MCQ 13

Topic: Anatomy

Created on Saturday, November 26 2022 by dillon

Last modified on Saturday, November 26 2022.

A patient presents with lateral strabismus of the left eye, which is a lateral deviation resulting from a weakness in the medial rectus. Damage to which cranial nerve can result in this condition?

 
        A) XIII
 
        B) II
 
        C) III
 
        D) VI
 
        E) IV
 

 


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This question was created on November 26, 2022 by dillon.
This question was last modified on November 26, 2022.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS




A) XIII

This answer is incorrect.


There is no 13th cranial nerve  (See References)

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B) II

This answer is incorrect.


The optic nerve is involved with the sensation of vision  (See References)

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C) III

This answer is correct.


The oculomotor nerve supplies the levator palpebrae superioris, medial, superior and inferior recti; and the inferior oblique.   (See References)

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D) VI

This answer is incorrect.


The abducens nerve supplies the lateral rectus  (See References)

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E) IV

This answer is incorrect.


The trochlear nerve controls the superior oblique  (See References)

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References:

1. Vanderah, Todd W., and John Nolte. “Ch. 12 Cranial nerves and their nuclei” Nolte's Essentials of the Human Brain, Elsevier, Philadelphia, PA, 2019.
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anatomy
Dillon MCQ 13
Question ID: 112622049
Question written by dillon. (C) FrontalCortex.com 2006-2009, all rights reserved. Created: 11/26/2022
Modified: 11/26/2022
Estimated Permutations: 120

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