Did you know...
that each question in the question bank can change every time you reload it?

Sensory innervation of the upper extremity 04

Topic: Anatomy

Created on Friday, January 25 2008 by jdmiles

Last modified on Friday, January 25 2008.

During a neurologic exam, you apply pressure to a patient's 5th finger, and he tells you that he is able to feel it normally. In general, this suggests that which of the following peripheral structures are intact?

 
        A) Radial nerve, posterior cord of the brachial plexus, and C7 spinal nerve
 
        B) Radial nerve, medial cord of the brachial plexus, and C8 spinal nerve
 
        C) Ulnar nerve, medial cord of the brachial plexus, and C5 spinal nerve
 
        D) Ulnar nerve, medial cord of the brachial plexus, and C8 spinal nerve
 
        E) Median nerve, posterior cord of the brachial plexus, and C5 spinal nerve
 

 


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 = 4.5 = How users like you have rated this question.
This question was created on January 25, 2008 by jdmiles.
This question was last modified on January 25, 2008.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS




A) radial nerve, posterior cord of the brachial plexus, and C7 spinal nerve

This answer is incorrect.


The posterior cord does not typically provide sensation to the 5th finger. The radial nerve does not typically provide sensation to the 5th finger. C7 does not typically provide sensation to the 5th finger.   (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 = 4.5
Please log in if you want to rate questions.

 

 

 

 

 

 

 

 

 




B) radial nerve, medial cord of the brachial plexus, and C8 spinal nerve

This answer is incorrect.


The radial nerve does not typically provide sensation to the 5th finger.   (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 = 4.5
Please log in if you want to rate questions.

 

 

 

 

 

 

 

 

 




C) ulnar nerve, medial cord of the brachial plexus, and C5 spinal nerve

This answer is incorrect.


C5 does not typically provide sensation to the 5th finger.   (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 = 4.5
Please log in if you want to rate questions.

 

 

 

 

 

 

 

 

 




D) ulnar nerve, medial cord of the brachial plexus, and C8 spinal nerve

This answer is correct.


Sensation from the 5th finger is generally carried by the ulnar nerve, medial cord, and C8 spinal nerve.   (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 = 4.5
Please log in if you want to rate questions.

 

 

 

 

 

 

 

 

 




E) median nerve, posterior cord of the brachial plexus, and C5 spinal nerve

This answer is incorrect.


The posterior cord does not typically provide sensation to the 5th finger. The median nerve does not typically provide sensation to the 5th finger. C5 does not typically provide sensation to the 5th finger.   (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 = 4.5
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. Biller, J. (2005). Practical Neurology DVD Reveiew. Lippincott Williams & Wilkins, Philadelphia. (ISBN:0781757533) 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 = 4.5
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
anatomy
Sensory innervation of the upper extremity 04
Question ID: 01250806
Question written by J. Douglas Miles, (C) 2006-2009, all rights reserved.
Created: 01/25/2008
Modified: 01/25/2008
Estimated Permutations: 6283200

User Comments About This Question: