Special Muscle Receptors 01

Topic: Anatomy

Created on Sunday, October 19 2008 by jdmiles

Last modified on Sunday, October 19 2008.

 
        A) Golgi tendon organs detect changes in muscle tension and convey this this information via IA axons
 
        B) Muscle spindles detect changes in muscle tension and convey this this information via IA axons
 
        C) Muscle spindles detect changes in muscle length and convey this this information via IA axons
 
        D) Muscle spindles detect changes in muscle length and convey this this information via IB axons
 
        E) Golgi tendon organs detect changes in muscle length and convey this this information via IB axons
 

 

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This question was created on October 19, 2008 by jdmiles.
This question was last modified on October 19, 2008.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS

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A) Golgi tendon organs detect changes in muscle tension and convey this this information via IA axons

This answer is incorrect.

Muscle spindles, which detect changes in muscle length, relay information through IA axons. In deep tendon reflexes, these IA fibers form is a single synapse, to alpha motor neurons in the spinal cord, which in turn cause firing of the muscle.
Golgi tendon organs detect muscle tension, are associated with IB axons, and do not form part of the afferent loop of the deep tendon reflexes.  (See References)

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B) Muscle spindles detect changes in muscle tension and convey this this information via IA axons

This answer is incorrect.

Muscle spindles, which detect changes in muscle length, relay information through IA axons. In deep tendon reflexes, these IA fibers form is a single synapse, to alpha motor neurons in the spinal cord, which in turn cause firing of the muscle.  (See References)

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C) Muscle spindles detect changes in muscle length and convey this this information via IA axons

This answer is correct.

Muscle spindles, which detect changes in muscle length, relay information through IA axons. In deep tendon reflexes, these IA fibers form is a single synapse, to alpha motor neurons in the spinal cord, which in turn cause firing of the muscle.  (See References)

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D) Muscle spindles detect changes in muscle length and convey this this information via IB axons

This answer is incorrect.

Muscle spindles, which detect changes in muscle length, relay information through IA axons. In deep tendon reflexes, these IA fibers form is a single synapse, to alpha motor neurons in the spinal cord, which in turn cause firing of the muscle.  (See References)

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E) Golgi tendon organs detect changes in muscle length and convey this this information via IB axons

This answer is incorrect.

Muscle spindles, which detect changes in muscle length, relay information through IA axons. In deep tendon reflexes, these IA fibers form is a single synapse, to alpha motor neurons in the spinal cord, which in turn cause firing of the muscle.
Golgi tendon organs detect muscle tension, are associated with IB axons, and do not form part of the afferent loop of the deep tendon reflexes.  (See References)

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References:

1. James D. Geyer, Janice M. Keating, Daniel C. Potts. . Philadelphia : Lippincott William & Wilkins, c2002. (ISBN:0781737192)

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anatomy
Special Muscle Receptors 01
Question ID: 101908099
Question written by J. Douglas Miles, (C) 2006-2009, all rights reserved.
Created: 10/19/2008
Modified: 10/19/2008
Estimated Permutations: 4200