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Reactive Astrocytosis 01

Topic: Pathology

Created on Friday, November 23 2007 by jdmiles

Last modified on Friday, November 23 2007.

Which of the following occur in reactive astrocytosis?

 
        A) Hypertrophy and proliferation of astrocytes
 
        B) Astrocytes undergo apoptosis
 
        C) Astrocytes become oligodendrocytes
 
        D) Astrocytes become more numerous, but do not hypertrophy
 
        E) Astrocytes become macrophages
 

 


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This question was created on November 23, 2007 by jdmiles.
This question was last modified on November 23, 2007.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS




A) Hypertrophy and proliferation of astrocytes

This answer is correct.


Reactive astrocytosis occurs in response to a large variety of diseases of the CNS.  It involves both hypertrophy and proliferation of astrocytes.  (See References)

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B) Astrocytes undergo apoptosis

This answer is incorrect.


Reactive astrocytosis occurs in response to a large variety of diseases of the CNS.  It involves both hypertrophy and proliferation of astrocytes.  (See References)

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C) Astrocytes become oligodendrocytes

This answer is incorrect.


Reactive astrocytosis occurs in response to a large variety of diseases of the CNS.  It involves both hypertrophy and proliferation of astrocytes.  (See References)

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D) Astrocytes become more numerous, but do not hypertrophy

This answer is incorrect.


Reactive astrocytosis occurs in response to a large variety of diseases of the CNS.  It involves both hypertrophy and proliferation of astrocytes.  (See References)

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E) Astrocytes become macrophages

This answer is incorrect.


Reactive astrocytosis occurs in response to a large variety of diseases of the CNS.  It involves both hypertrophy and proliferation of astrocytes.  (See References)

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References:

1. Prayson, R.A., and Goldblum, J.R. (Eds.) (2005). Neuropathology. Elsevier Churchill Livingstone, Philadelphia.
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pathology
Reactive Astrocytosis 01
Question ID: 112307133
Question written by J. Douglas Miles, (C) 2006-2009, all rights reserved.
Created: 11/23/2007
Modified: 11/23/2007
Estimated Permutations: 7200

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