Lateral Antebrachial Cutaneous Nerve

Topic:

Created on Monday, October 11 2010 by jdmiles

Last modified on Monday, October 11 2010.

 
        A) Lower trunk of the brachial plexus
 
        B) Musculocutaneous nerve
 
        C) Lateral cord of the brachial plexus
 
        D) Radial nerve
 
        E) Posterior cord of the brachial plexus
 

 

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This question was created on October 11, 2010 by jdmiles.
This question was last modified on October 11, 2010.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS

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A) lower trunk of the brachial plexus

This answer is incorrect.

The lateral antebrachial cutaneous nerve is a sensory nerve supplying skin to the lateral forearm. It arises from the musculocutaneous nerve.  (See References)

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B) Musculocutaneous nerve

This answer is correct.

The lateral antebrachial cutaneous nerve is a sensory nerve supplying skin to the lateral forearm. It arises from the musculocutaneous nerve.  (See References)

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C) Lateral cord of the brachial plexus

This answer is incorrect.

The lateral antebrachial cutaneous nerve is a sensory nerve supplying skin to the lateral forearm. It arises from the musculocutaneous nerve.  (See References)

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D) Radial nerve

This answer is incorrect.

The lateral antebrachial cutaneous nerve is a sensory nerve supplying skin to the lateral forearm. It arises from the musculocutaneous nerve.  (See References)

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E) Posterior cord of the brachial plexus

This answer is incorrect.

The lateral antebrachial cutaneous nerve is a sensory nerve supplying skin to the lateral forearm. It arises from the musculocutaneous nerve.  (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. (ISBN:075067492X)

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Lateral Antebrachial Cutaneous Nerve
Question ID: 101110156
Question written by J. Douglas Miles, (C) 2006-2009, all rights reserved.
Created: 10/11/2010
Modified: 10/11/2010
Estimated Permutations: 600