Fish MCQ 14

Topic: Anatomy

Created on Friday, July 27 1973 by fish

Last modified on Friday, July 27 1973.

 
        A) First to be recruited
 
        B) Large
 
        C) Exclusively use glycolysis
 
        D) Few mitochondria
 

 

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This question was created on July 27, 1973 by fish.
This question was last modified on July 27, 1973.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS

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A) First to be recruited

This answer is correct.

Muscle fibers are recruited in the order of small to large, so type I fibers will always be recruited first no matter the type of action  (See References)

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B) Large

This answer is incorrect.

Type I muscle fibers are small, smaller than type IIa and IIb  (See References)

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C) Exclusively use glycolysis

This answer is incorrect.

Type I muscle fibers use oxidative metabolism predominantly and have low glycolytic capacity  (See References)

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D) Few mitochondria

This answer is incorrect.

Type I muscle fibers have lots of mitochondria  (See References)

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References:

1. Vanderah, T. W., & Nolte, J. (2019). Chapter 18: Overview of Motor Systems. In Nolte's essentials of the human brain. essay, Elsevier.

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anatomy
Fish MCQ 14
Question ID: 112622122
Question written by fish. (C) FrontalCortex.com 2006-2009, all rights reserved. Created: 07/27/1973
Modified: 07/27/1973
Estimated Permutations: 0