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Muscles innervated by the radial nerve

Topic: Anatomy

Created on Wednesday, August 9 2006 by

Last modified on Wednesday, December 31 1969.

Which of the following muscles is innervated by the radial nerve?

 
        A) Flexor pollicis brevis
 
        B) Extensor pollicis longus
 
        C) Flexor digitorum profundus III
 
        D) Flexor digitorum profundus IV
 
        E) Biceps brachii
 

 


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This question was created on August 09, 2006 by .
This question was last modified on December 31, 1969.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS




A) flexor pollicis brevis

This answer is incorrect.


Flexor pollicis brevis is innervated by the median nerve  (See References)

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B) extensor pollicis longus

This answer is correct.


Extensor pollicis longus is innervated by the radial nerve  (See References)

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C) flexor digitorum profundus III

This answer is incorrect.


Flexor digitorum profundus III is innervated by the ulnar nerve  (See References)

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D) flexor digitorum profundus IV

This answer is incorrect.


Flexor digitorum profundus IV is innervated by the ulnar nerve  (See References)

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E) biceps brachii

This answer is incorrect.


Biceps brachii is innervated by the musculocutaneous nerve  (See References)

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References:

1. Guarantors of Brain. (2000). Aids to the Examination of the Peripheral Nervous System, fourth edition. W.B. Saunders, Edinburgh.
2. Moore, K.L. (1992). Clinical Oriented Anatomy, 3rd Edition. Williams & Wilkins, Baltimore.
3. Preston, D.C., and Shapiro, B.E. (2005). Electromyography and Neuromuscular Disorders: Clinical-Electrophysiologic Correlations, 2nd Edition. Elsevier, Philadelphia.
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anatomy
Muscles innervated by the radial nerve
Question ID: 809200602
Question written by . (C) FrontalCortex.com 2006-2009, all rights reserved. Created: 08/09/2006
Modified: 12/31/1969
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