Peripheral Nervous System and Neurologic Exam - Question 1

Topic: Anatomy

Created on Sunday, August 15 2010 by jdmiles

Last modified on Sunday, August 15 2010.

 
        A) The peripheral nerves
 
        B) The lumbosacral plexus
 
        C) Thoracic nerve roots
 
        D) The spinal cord
 
        E) Lower motor neurons
 

 

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This question was created on August 15, 2010 by jdmiles.
This question was last modified on August 15, 2010.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS

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A) The peripheral nerves

This answer is incorrect.

The peripheral nervous can be defined as including the peripheral nerves (including roots, plexi, and nerves proper), the neurons that run within the peripheral nerves, the neuromuscular junctions, and the muscles. Cranial nerves III - XII are usually included in this definition. The brain, spinal cord, and cranial nerves I and II make up the central nervous system.  (See References)

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B) The lumbosacral plexus

This answer is incorrect.

The peripheral nervous can be defined as including the peripheral nerves (including roots, plexi, and nerves proper), the neurons that run within the peripheral nerves, the neuromuscular junctions, and the muscles. Cranial nerves III - XII are usually included in this definition. The brain, spinal cord, and cranial nerves I and II make up the central nervous system.  (See References)

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C) Thoracic nerve roots

This answer is incorrect.

The peripheral nervous can be defined as including the peripheral nerves (including roots, plexi, and nerves proper), the neurons that run within the peripheral nerves, the neuromuscular junctions, and the muscles. Cranial nerves III - XII are usually included in this definition. The brain, spinal cord, and cranial nerves I and II make up the central nervous system.  (See References)

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D) The spinal cord

This answer is correct.

The peripheral nervous can be defined as including the peripheral nerves (including roots, plexi, and nerves proper), the neurons that run within the peripheral nerves, the neuromuscular junctions, and the muscles. Cranial nerves III - XII are usually included in this definition. The brain, spinal cord, and cranial nerves I and II make up the central nervous system.  (See References)

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---

E) Lower motor neurons

This answer is incorrect.

The peripheral nervous can be defined as including the peripheral nerves (including roots, plexi, and nerves proper), the neurons that run within the peripheral nerves, the neuromuscular junctions, and the muscles. Cranial nerves III - XII are usually included in this definition. The brain, spinal cord, and cranial nerves I and II make up the central nervous system.  (See References)

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References:

1. Preston, D.C., and Shapiro, B.E. (2005). Electromyography and Neuromuscular Disorders: Clinical-Electrophysiologic Correlations, 2nd Edition. Elsevier, Philadelphia. Chapter 2.(ISBN:075067492X)

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anatomy
Peripheral Nervous System and Neurologic Exam - Question 1
Question ID: 10081501
Question written by J. Douglas Miles, (C) 2006-2009, all rights reserved.
Created: 08/15/2010
Modified: 08/15/2010
Estimated Permutations: 39600