Carley MCQ 26

Topic: Anatomy

Created on Saturday, November 26 2022 by carley

Last modified on Saturday, November 26 2022.

 
        A) Bitemporal hemianopsia
 
        B) Right homonymous hemianopsia
 
        C) Left homonymous hemianopsia
 
        D) Superior homonymous hemianopsia
 

 

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS

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A) Bitemporal hemianopsia

This answer is correct.

Lesions to the optic chiams disrups the nerves that cross the midline, resulting in a bitemporal hemianopsia  (See References)

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B) Right homonymous hemianopsia

This answer is incorrect.

This would be caused by a lesion to the left optic tract   (See References)

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C) Left homonymous hemianopsia

This answer is incorrect.

This would be caused by a lesion to the right optic tract   (See References)

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D) Superior homonymous hemianopsia

This answer is incorrect.

This deficit would be caused by damage to the inferior optic radiations  (See References)

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References:

1. Nolte, J. (2008). The Human Brain: An Introduction to Its Functional Anatomy, 6th ed. Mosby, St. Louis. (ISBN:0323041310)

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anatomy
Carley MCQ 26
Question ID: 112622026
Question written by carley. (C) FrontalCortex.com 2006-2009, all rights reserved. Created: 11/26/2022
Modified: 11/26/2022
Estimated Permutations: 24