Myelin 07

Topic: Pathology

Created on Sunday, February 15 2009 by gliageek

Last modified on Sunday, February 15 2009.

 
        A) Methyl mercury
 
        B) Methotrexate
 
        C) Manganese
 
        D) Carbon monoxide
 
        E) Inorganic lead
 

 

	= 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 February 15, 2009 by gliageek.
This question was last modified on February 15, 2009.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS

---

A) Methyl mercury

This answer is incorrect.

Damage to cerebral and cerebellar neurons  (See References)

Please log in if you want to rate questions.

 

 

 

 

 

 

 

 

 

---

B) Methotrexate

This answer is correct.

Methotrexate neurotoxicity is characterized by disseminated necrotizing leukoencephalopathy with axonal swellings.  (See References)

Please log in if you want to rate questions.

 

 

 

 

 

 

 

 

 

---

C) Manganese

This answer is incorrect.

Selective neuronal loss involving basal ganglia  (See References)

Please log in if you want to rate questions.

 

 

 

 

 

 

 

 

 

---

D) Carbon monoxide

This answer is incorrect.

Perivenous myelin loss without inflammation of axonal swellings ("Grinker myelinopathy").  (See References)

Please log in if you want to rate questions.

 

 

 

 

 

 

 

 

 

---

E) Inorganic lead

This answer is incorrect.

Cerebral edema, particularly of cerebellum, vascular proliferation, and petechial hemorrhages  (See References)

Please log in if you want to rate questions.

 

 

 

 

References:

1. Love, S., Louis, D.N., and Ellison, D.W. (2008). Greenfield's Neuropathology, 8th Edition. Oxford University Press, USA (ISBN:0340906820)

Advertising:

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
pathology
Myelin 07
Question ID: 021509094
Question written by gliageek. (C) FrontalCortex.com 2006-2009, all rights reserved. Created: 02/15/2009
Modified: 02/15/2009
Estimated Permutations: 120