There are 486 questions on various topics in Neurology in the FrontalCortex neurology question bank.

Roots of the brachial plexus and the muscles they innervate 01

Topic: Pharmacology

Created on Tuesday, September 9 2008 by jdmiles

Last modified on Tuesday, September 9 2008.

Which of the following roots provide innervation to the opponens pollicis?

 
        A) C5, C6, and C7
 
        B) C5 and C6
 
        C) C6, C7, and C8
 
        D) C8 and T1
 
        E) C3, C4, and C5
 

 


Back to the question = Go back to the top of the page.
See another question like this one = Reload a different version of this question ().
Click here for a random question = Load a random question from the database.
Clone this question = Use this question as a template to create a totally NEW question.
Rate this question = Enter detailed rating for this question!
Average user rating for this question = 4 = How users like you have rated this question.
This question was created on September 09, 2008 by jdmiles.
This question was last modified on September 09, 2008.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS




A) C5, C6, and C7

This answer is incorrect.


Opponens pollicis receives innervation from the C8 and T1 roots. T1 provides the most significant portion of the innervation.  (See References)

Back to the questionSee another question like this oneClick here for a random questionClone this question Rate this questionAverage user rating for this question = 4
Please log in if you want to rate questions.

 

 

 

 

 

 

 

 

 




B) C5 and C6

This answer is incorrect.


Opponens pollicis receives innervation from the C8 and T1 roots. T1 provides the most significant portion of the innervation.  (See References)

Back to the questionSee another question like this oneClick here for a random questionClone this question Rate this questionAverage user rating for this question = 4
Please log in if you want to rate questions.

 

 

 

 

 

 

 

 

 




C) C6, C7, and C8

This answer is incorrect.


Opponens pollicis receives innervation from the C8 and T1 roots. T1 provides the most significant portion of the innervation.  (See References)

Back to the questionSee another question like this oneClick here for a random questionClone this question Rate this questionAverage user rating for this question = 4
Please log in if you want to rate questions.

 

 

 

 

 

 

 

 

 




D) C8 and T1

This answer is correct.


Opponens pollicis receives innervation from the C8 and T1 roots. T1 provides the most significant portion of the innervation.  (See References)

Back to the questionSee another question like this oneClick here for a random questionClone this question Rate this questionAverage user rating for this question = 4
Please log in if you want to rate questions.

 

 

 

 

 

 

 

 

 




E) C3, C4, and C5

This answer is incorrect.


Opponens pollicis receives innervation from the C8 and T1 roots. T1 provides the most significant portion of the innervation.  (See References)

Back to the questionSee another question like this oneClick here for a random questionClone this question Rate this questionAverage user rating for this question = 4
Please log in if you want to rate questions.

 

 

 

 

References:

1. Guarantors of Brain. (2000). Aids to the Examination of the Peripheral Nervous System, fourth edition. W.B. Saunders, Edinburgh. (ISBN:0702025127)Advertising:
2. Preston, D.C., and Shapiro, B.E. (2005). Electromyography and Neuromuscular Disorders: Clinical-Electrophysiologic Correlations, 2nd Edition. Elsevier, Philadelphia. (ISBN:075067492X)Advertising:
Back to the questionSee another question like this oneClick here for a random questionClone this question Rate this questionAverage user rating for this question = 4
Please log in if you want to rate questions.

 

FrontalCortex.com -- Neurology Review Questions -- Neurology Boards -- Board Review -- Residency Inservice Training Exam -- RITE Exam Review
pharmacology
Roots of the brachial plexus and the muscles they innervate 01
Question ID: 09090804
Question written by J. Douglas Miles, (C) 2006-2009, all rights reserved.
Created: 09/09/2008
Modified: 09/09/2008
Estimated Permutations: 0

User Comments About This Question:

0 user entries
Please log in if you'd like to add a comment.