Zoe MCQ 35

Topic: Anatomy

Created on Saturday, November 26 2022 by zoe

Last modified on Saturday, November 26 2022.

 
        A) The anterior spinocerebellar tract ascends through the cord and brainstem as far as the rostral pons/caudal midbrain. Here, the tract crosses the midline again to enter the cerebellum through the inferior cerebellar peduncle.
 
        B) The anterior spinocerebellar tract carries unconscious proprioceptive information from the musculoskeletal structures innervated by cord segments below L2.
 
        C) The anterior spinocerebellar tract synapse in the spinocerebellum (vermal and paravermal regions).
 

 

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS

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A) The anterior spinocerebellar tract ascends through the cord and brainstem as far as the rostral pons/caudal midbrain. Here, the tract crosses the midline again to enter the cerebellum through the inferior cerebellar peduncle.

This answer is incorrect.

The anterior spinocerebellar tract ascends through the cord and brainstem as far as the rostral pons/caudal midbrain. Here, the tract crosses the midline again to enter the cerebellum through the SUPERIOR cerebellar peduncle.  (See References)

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B) The anterior spinocerebellar tract carries unconscious proprioceptive information from the musculoskeletal structures innervated by cord segments below L2.

This answer is incorrect.

The anterior spinocerebellar tract carries unconscious proprioceptive information from those musculoskeletal structures innervated by cord segments caudal to (and including) the second lumbar segment.   (See References)

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C) The anterior spinocerebellar tract synapse in the spinocerebellum (vermal and paravermal regions).

This answer is correct.

Axons synapse in the vermal and paravermal regions of the cerebellum called the spinocerebellum.  (See References)

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References:

1. Chandar K, Freeman BK. Spinal Cord Anatomy. Encyclopedia of the Neurological Sciences (Second Edition). 2014. https://www.sciencedirect.com/topics/neuroscience/spinocerebellar-tract

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anatomy
Zoe MCQ 35
Question ID: 112622107
Question written by zoe. (C) FrontalCortex.com 2006-2009, all rights reserved. Created: 11/26/2022
Modified: 11/26/2022
Estimated Permutations: 0