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Sensory nerve conduction study normal values

Topic: Pharmacology

Created on Monday, July 24 2006 by

Last modified on Wednesday, December 31 1969.

You are performing a sensory nerve conduction test on an adult.
You are testing the dorsal ulnar cutaneous nerve, recording at the dorsal D4-D5 webspace.
Which of the following is the best choice for the distal peak latency?

 
        A) ≤ 2.5 ms
 
        B) ≤ 4.2 ms
 
        C) ≤ 1.3 ms
 
        D) ≤ 4.3 ms
 
        E) ≤ 1.8 ms
 

 


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This question was created on July 24, 2006 by .
This question was last modified on December 31, 1969.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS




A) ≤ 2.5 ms

This answer is correct.


When performing a motor nerve conduction test on the dorsal ulnar cutaneous nerve, testing at the dorsal D4-D5 webspace, the standard distal peak latency is ≤2.5 ms.  (See References)

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B) ≤ 4.2 ms

This answer is incorrect.


When performing a motor nerve conduction test on the dorsal ulnar cutaneous nerve, testing at the dorsal D4-D5 webspace, the standard distal peak latency is ≤2.5 ms.  (See References)

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C) ≤ 1.3 ms

This answer is incorrect.


When performing a motor nerve conduction test on the dorsal ulnar cutaneous nerve, testing at the dorsal D4-D5 webspace, the standard distal peak latency is ≤2.5 ms.  (See References)

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D) ≤ 4.3 ms

This answer is incorrect.


When performing a motor nerve conduction test on the dorsal ulnar cutaneous nerve, testing at the dorsal D4-D5 webspace, the standard distal peak latency is ≤2.5 ms.  (See References)

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E) ≤ 1.8 ms

This answer is incorrect.


When performing a motor nerve conduction test on the dorsal ulnar cutaneous nerve, testing at the dorsal D4-D5 webspace, the standard distal peak latency is ≤2.5 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
Sensory nerve conduction study normal values
Question ID: 723200605
Question written by . (C) FrontalCortex.com 2006-2009, all rights reserved. Created: 07/24/2006
Modified: 12/31/1969
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