Dillon MCQ 27

Topic: Anatomy

Created on Saturday, November 26 2022 by dillon

Last modified on Saturday, November 26 2022.

 
        A) The constriction of the pupils when exposed to light
 
        B) A patient standing upright with their eyes closed
 
        C) Catching a baseball with one eye closed
 
        D) Keeping your vision focused on this question while aggressively shaking your head around
 

 

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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) The constriction of the pupils when exposed to light

This answer is incorrect.

This is the pupillary light reflex, not VOR.  (See References)

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B) A patient standing upright with their eyes closed

This answer is incorrect.

This is the Romberg test, it's used to test balance and is not an example of VOR.  (See References)

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C) Catching a baseball with one eye closed

This answer is incorrect.

I'm not sure what this would be testing, but definitely not an example of the VOR  (See References)

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D) Keeping your vision focused on this question while aggressively shaking your head around

This answer is correct.

The VOR allows the gaze to stay fixed on an object when moving the head  (See References)

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References:

1. Vanderah, Todd W., and John Nolte. “Ch. 14 Hearing and Balance: The Eighth Cranial Nerve” Nolte's Essentials of the Human Brain, Elsevier, Philadelphia, PA, 2019.

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anatomy
Dillon MCQ 27
Question ID: 112622063
Question written by dillon. (C) FrontalCortex.com 2006-2009, all rights reserved. Created: 11/26/2022
Modified: 11/26/2022
Estimated Permutations: 24