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Basic Neuropathology 03

Topic: Pathology

Created on Tuesday, November 27 2007 by jdmiles

Last modified on Tuesday, November 27 2007.

Loss of the cells shown in this image is associated with which of the following exam findings?


 
        A) Internuclear ophthalmoplegia
 
        B) Ataxia
 
        C) Flaccid paralysis
 
        D) Bradykinesia
 
        E) Urinary incontinence
 

 


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This question was created on November 27, 2007 by jdmiles.
This question was last modified on November 27, 2007.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS




A) Internuclear ophthalmoplegia

This answer is incorrect.


The cells shown here are pigmented cells in the substantia nigra. Loss of these cells is associated with Parkinsonian findings, but not with internuclear ophthalmoplegia.  (See References)

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B) Ataxia

This answer is incorrect.


The cells shown here are pigmented cells in the substantia nigra. Loss of these cells is associated with Parkinsonian findings, but not with ataxia.  (See References)

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C) Flaccid paralysis

This answer is incorrect.


The cells shown here are pigmented cells in the substantia nigra. Loss of these cells is associated with Parkinsonian findings, but not with paralysis.  (See References)

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D) Bradykinesia

This answer is correct.


The cells shown here are pigmented cells in the substantia nigra. Loss of these cells is associated with Parkinsonian findings, e.g., resting tremor, bradykinesia, rigidity, masked facies, stooped posture, axial instability, and festinating gait.  (See References)

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E) Urinary incontinence

This answer is incorrect.


The cells shown here are pigmented cells in the substantia nigra. Loss of these cells is associated with Parkinsonian findings, but not with urinary incontinence.  (See References)

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References:

1. Victor, M., and Ropper, A.H. (2001). Adams and Victor's Principles of Neurology, 7th Edition. McGraw-Hill, New York. (ISBN:0070674973)Advertising:
2. Prayson, R.A., and Goldblum, J.R. (Eds.) (2005). Neuropathology. Elsevier Churchill Livingstone, Philadelphia. (ISBN:0443066582)Advertising:
3. Nolte, J. (1993). The Human Brain: An Introduction to Its Functional Anatomy. Mosby, St. Louis. (ISBN:0801674832)Advertising:
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pathology
Basic Neuropathology 03
Question ID: 112707043
Question written by J. Douglas Miles, (C) 2006-2009, all rights reserved.
Created: 11/27/2007
Modified: 11/27/2007
Estimated Permutations: 176400

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