nerves innervating the muscles of the upper extremity

Topic: Anatomy

Created on Sunday, September 3 2006 by

Last modified on Sunday, September 3 2006.

 
        A) Biceps brachii receives innervation from posterior interosseous nerve.
 
        B) Biceps brachii receives innervation from the brachial plexus.
 
        C) Flexor digitorum profundus II receives innervation from spinal segment C5.
 
        D) Flexor pollicis brevis receives innervation from spinal segment C8.
 
        E) Pronator quadratus receives innervation from spinal segment C3.
 

 

	= Go back to the top of the page.
	= Reload a different version of this question ().
	= Load a random question from the database.
	= Use this question as a template to create a totally NEW question.
	= Enter detailed rating for this question!
	= How users like you have rated this question.

This question was created on September 03, 2006 by .
This question was last modified on September 03, 2006.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS

---

A) biceps brachii receives innervation from posterior interosseous nerve.

This answer is incorrect.

The statement, "biceps brachii receives innervation from posterior interosseous nerve." is false.
biceps brachii receives innervation from musculocutaneous nerve, receives innervation from spinal segment C5, and receives innervation from spinal segment C6.  (See References)

Please log in if you want to rate questions.

 

 

 

 

 

 

 

 

 

---

B) biceps brachii receives innervation from the brachial plexus.

This answer is incorrect.

The statement, "biceps brachii receives innervation from the brachial plexus." is false.
biceps brachii receives innervation from musculocutaneous nerve, receives innervation from spinal segment C5, and receives innervation from spinal segment C6.  (See References)

Please log in if you want to rate questions.

 

 

 

 

 

 

 

 

 

---

C) flexor digitorum profundus II receives innervation from spinal segment C5.

This answer is incorrect.

The statement, "flexor digitorum profundus II receives innervation from spinal segment C5." is false.
flexor digitorum profundus II receives innervation from median nerve, receives innervation from anterior interosseous nerve, receives innervation from spinal segment C7, and receives innervation from spinal segment C8.  (See References)

Please log in if you want to rate questions.

 

 

 

 

 

 

 

 

 

---

D) flexor pollicis brevis receives innervation from spinal segment C8.

This answer is correct.

The statement, "flexor pollicis brevis receives innervation from spinal segment C8." is true.
flexor pollicis brevis receives innervation from median nerve, receives innervation from spinal segment C8, and receives innervation from spinal segment T1.  (See References)

Please log in if you want to rate questions.

 

 

 

 

 

 

 

 

 

---

E) pronator quadratus receives innervation from spinal segment C3.

This answer is incorrect.

The statement, "pronator quadratus receives innervation from spinal segment C3." is false.
pronator quadratus receives innervation from median nerve, receives innervation from anterior interosseous nerve, receives innervation from spinal segment C7, and receives innervation from spinal segment C8.  (See References)

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.
2. Moore, K.L. (1992). Clinical Oriented Anatomy, 3rd Edition. Williams & Wilkins, Baltimore.

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
nerves innervating the muscles of the upper extremity
Question ID: 683156834
Question written by . (C) FrontalCortex.com 2006-2009, all rights reserved. Created: 09/03/2006
Modified: 09/03/2006
Estimated Permutations: 0