Carley MCQ 10

Topic: Anatomy

Created on Saturday, November 26 2022 by carley

Last modified on Saturday, November 26 2022.

 
        A) Ruffini endings
 
        B) Free nerve endings
 
        C) Pacinian Corpuscle
 
        D) Meissner's Corpuscles
 

 

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS

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A) Ruffini endings

This answer is incorrect.

Ruffini endings are useful in detecting pressure, not discriminative touch  (See References)

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B) Free nerve endings

This answer is incorrect.

Free nerve endings are useful for detecting pain, temperature, itch, and touch. However, braille relies on discriminative touch, which is not the key modality here.  (See References)

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C) Pacinian Corpuscle

This answer is incorrect.

Pacinian corpuscles are useful in sensing vibration, not fine, discriminative touch  (See References)

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D) Meissner's Corpuscles

This answer is correct.

Meissner's corpuscles are responsible for fine tactile discrimination, specifically in the fingertips  (See References)

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References:

1. Nolte, J. (2008). The Human Brain: An Introduction to Its Functional Anatomy, 6th ed. Mosby, St. Louis. (ISBN:0323041310)

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anatomy
Carley MCQ 10
Question ID: 112622010
Question written by carley. (C) FrontalCortex.com 2006-2009, all rights reserved. Created: 11/26/2022
Modified: 11/26/2022
Estimated Permutations: 24