Spontaneous Activity on Needle EMG 02

Topic: Physiology

Created on Friday, January 26 2007 by jdmiles

Last modified on Friday, January 26 2007.

 
        A) Enplate noise
 
        B) Fibrillation potentials
 
        C) Multiplets
 
        D) Cramps
 
        E) Fasciculations
 

 

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This question was created on January 26, 2007 by jdmiles.
This question was last modified on January 26, 2007.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS

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A) enplate noise

This answer is incorrect.

Endplate noise represents miniature endplate potentials  (See References)

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B) fibrillation potentials

This answer is correct.

Fibrillation potentials represent muscle fiber activity  (See References)

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C) multiplets

This answer is incorrect.

Multiplets represent motor unit activity  (See References)

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D) cramps

This answer is incorrect.

Cramps represent motor unit activity  (See References)

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E) fasciculations

This answer is incorrect.

Fasciculations represent motor unit activity  (See References)

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References:

1. Preston, D.C., and Shapiro, B.E. (2005). Electromyography and Neuromuscular Disorders: Clinical-Electrophysiologic Correlations, 2nd Edition. Elsevier, Philadelphia.

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physiology
Spontaneous Activity on Needle EMG 02
Question ID: 0126070001
Question written by J. Douglas Miles, (C) 2006-2009, all rights reserved.
Created: 01/26/2007
Modified: 01/26/2007
Estimated Permutations: 42000