Sensory innervation of the upper extremity

Topic: Anatomy

Created on Friday, December 22 2006 by jdmiles

Last modified on Sunday, November 16 2008.

 
        A) Axillary
 
        B) Medial antibrachial cutaneous
 
        C) Ulnar
 
        D) Dorsal antibrachial cutaneous
 
        E) Intercostobrachial
 

 

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This question was created on December 22, 2006 by jdmiles.
This question was last modified on November 16, 2008.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS

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A) axillary

This answer is incorrect.

The distribution of sensory innervation of the axillary nerve is shown in red in the image below:
  (See References)

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B) medial antibrachial cutaneous

This answer is incorrect.

The distribution of sensory innervation of the medial antibrachial cutaneous nerve is shown in red in the image below:
  (See References)

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C) ulnar

This answer is correct.

The following image illustrates the distribution of sensory innervation of some of the named nerves in the upper extremity.

  (See References)

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D) dorsal antibrachial cutaneous

This answer is incorrect.

The distribution of sensory innervation of the dorsal antibrachial cutaneous nerve is shown in red in the image below:
  (See References)

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E) intercostobrachial

This answer is incorrect.

The distribution of sensory innervation of the intercostobrachial nerve is shown in red in the image below:
  (See References)

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References:

1. Gray, Henry. (1918). Anatomy of the human body 20th ed. Philadelphia: Lea & Febiger. (ASIN:B000TW11G6)

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anatomy
Sensory innervation of the upper extremity
Question ID: 810200601
Question written by J. Douglas Miles, (C) 2006-2009, all rights reserved.
Created: 12/22/2006
Modified: 11/16/2008
Estimated Permutations: 0