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Visual Evoked Potentials 01

Topic: Physiology

Created on Wednesday, October 17 2007 by jdmiles

Last modified on Wednesday, October 17 2007.

Which of the following statements regarding visual evoked potentials (VEPs) are true?

 
        A) P100 arises from the corpus striatum
 
        B) Refractive errors can affect both the latency and amplitude of VEPs
 
        C) P10 is the most useful and reproducible wave
 
        D) VEPs are helpful in identifying the etiology of a lesion
 
        E) P100 arises from the visual association cortex
 

 


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This question was created on October 17, 2007 by jdmiles.
This question was last modified on October 17, 2007.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS




A) P100 arises from the corpus striatum

This answer is incorrect.


P100 arises from the striate cortex.  (See References)

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B) Refractive errors can affect both the latency and amplitude of VEPs

This answer is correct.


Refractive errors can affect both the latency and amplitude of VEPs.

  (See References)

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C) P10 is the most useful and reproducible wave

This answer is incorrect.


P100 is the most useful and reproducible of the VEP waveforms.  (See References)

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D) VEPs are helpful in identifying the etiology of a lesion

This answer is incorrect.


VEPs are helpful in detecting the presence of a lesion, but do not provide direct evidence as to the etiology of a lesion.  (See References)

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E) P100 arises from the visual association cortex

This answer is incorrect.


P100 arises from the striate cortex.  (See References)

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References:

1. Zaidat, O.O., and Lerner, A.J. (2002). The Little Black Book of Neurology, 4th Edition. Mosby, St. Louis (ISBN:0323014151)Advertising:
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physiology
Visual Evoked Potentials 01
Question ID: 101707066
Question written by J. Douglas Miles, (C) 2006-2009, all rights reserved.
Created: 10/17/2007
Modified: 10/17/2007
Estimated Permutations: 1092000

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