Dillon MCQ 26

Topic: Anatomy

Created on Saturday, November 26 2022 by dillon

Last modified on Saturday, November 26 2022.

 
        A) Fovea
 
        B) Retinal pigment epithelium
 
        C) Optic disc
 
        D) Macula
 

 

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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

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A) fovea

This answer is incorrect.

The fovea is rich in cones, vision is the best in this area.  (See References)

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B) retinal pigment epithelium

This answer is incorrect.

These cells metabolically support rod and cones. They are located between then rods/cones and choroid, and are not the cause of the blind spot.  (See References)

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C) Optic disc

This answer is correct.

This is where the optic nerve leavs the eyes, there are no photoreceptors (rods/cones) in this area.  (See References)

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D) macula

This answer is incorrect.

The macula is the area containg the fovea, vision is strong in this area.  (See References)

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References:

1. Vanderah, Todd W., and John Nolte. “Ch. 17 The Visual System” Nolte's Essentials of the Human Brain, Elsevier, Philadelphia, PA, 2019.

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anatomy
Dillon MCQ 26
Question ID: 112622062
Question written by dillon. (C) FrontalCortex.com 2006-2009, all rights reserved. Created: 11/26/2022
Modified: 11/26/2022
Estimated Permutations: 24