Dillon MCQ 12

Topic: Anatomy

Created on Saturday, November 26 2022 by dillon

Last modified on Saturday, November 26 2022.

 
        A) Posterior intermediate sulcus
 
        B) Lissauer's tract
 
        C) Anterior white commissure
 
        D) Posterolateral sulcus
 

 

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This question was created on November 26, 2022 by dillon.
This question was last modified on November 26, 2022.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS

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A) posterior intermediate sulcus

This answer is incorrect.

This section of the spinalcord is located in the dorsal column and is unlikely to be damaged in Syringomyelia  (See References)

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B) Lissauer's tract

This answer is incorrect.

This is located in the dorsal horn, enlargment of the spinal canal is unlikely to damage this section of the spinal cord  (See References)

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C) Anterior white commissure

This answer is correct.

This small tract runs just anteriorly to the spinal canal, thus is will be the most likely to be the first compressed and damaged  (See References)

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D) posterolateral sulcus

This answer is incorrect.

Located at the tip of the dorsal horn, unlikely to be damaged in Syringomyelia  (See References)

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References:

1. Vanderah, Todd W., and John Nolte. “Ch. 10: Spinal cord” Nolte's Essentials of the Human Brain, Elsevier, Philadelphia, PA, 2019. PAGE 269

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anatomy
Dillon MCQ 12
Question ID: 112622048
Question written by dillon. (C) FrontalCortex.com 2006-2009, all rights reserved. Created: 11/26/2022
Modified: 11/26/2022
Estimated Permutations: 24