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Motor nerve conduction study normal values

Topic: Pharmacology

Created on Thursday, July 6 2006 by

Last modified on Wednesday, December 31 1969.

You are performing a motor nerve conduction test on an adult.
You are testing the peroneal nerve, recording at the extensor digitorum brevis muscle.
What is the normal value for the distal latency?



 
        A) 6.5 ms
 
        B) 2 ms
 
        C) 4.1 ms
 
        D) 6.1 ms
 
        E) 3.3 ms
 

 


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This question was created on July 06, 2006 by .
This question was last modified on December 31, 1969.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS




A) 6.5 ms

This answer is correct.


When performing a motor nerve conduction test on the peroneal nerve, testing at the extensor digitorum brevis, the normal distal latency is 6.5 ms.  (See References)

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B) 2 ms

This answer is incorrect.


When performing a motor nerve conduction test on the peroneal nerve, testing at the extensor digitorum brevis, the normal distal latency is 6.5 ms.  (See References)

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C) 4.1 ms

This answer is incorrect.


When performing a motor nerve conduction test on the peroneal nerve, testing at the extensor digitorum brevis, the normal distal latency is 6.5 ms.  (See References)

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D) 6.1 ms

This answer is incorrect.


When performing a motor nerve conduction test on the peroneal nerve, testing at the extensor digitorum brevis, the normal distal latency is 6.5 ms.  (See References)

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E) 3.3 ms

This answer is incorrect.


When performing a motor nerve conduction test on the peroneal nerve, testing at the extensor digitorum brevis, the normal distal latency is 6.5 ms.  (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. Pp. 663-666.
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pharmacology
Motor nerve conduction study normal values
Question ID: 707200601
Question written by . (C) FrontalCortex.com 2006-2009, all rights reserved. Created: 07/06/2006
Modified: 12/31/1969
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