Fish MCQ 30

Topic: Anatomy

Created on Friday, July 27 1973 by fish

Last modified on Friday, July 27 1973.

 
        A) Circuits do not travel through the thalamus on the way to the cortex
 
        B) Primary cortex is contralateral to sensory organ
 
        C) Neocortex as primary cortex
 
        D) Chemoreceptor cell axons gather together to form CN II
 
        E) No interaction with the limbic system
 

 

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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) Circuits do not travel through the thalamus on the way to the cortex

This answer is correct.

This is true about the olfactory system! This is not to say it doesn't interact with the thalamus tho  (See References)

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B) Primary cortex is contralateral to sensory organ

This answer is incorrect.

Chemoreception is the only sensation whose primary cortex is ipsilateral to the sensory organ  (See References)

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C) Neocortex as primary cortex

This answer is incorrect.

Olfactory system has the paleocortex as the primary cortex  (See References)

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D) Chemoreceptor cell axons gather together to form CN II

This answer is incorrect.

They gather together to form CN I, which is olfactory nerve. CN II is optic nerve.  (See References)

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E) No interaction with the limbic system

This answer is incorrect.

Olfactory system is very heavily tied to the limbic system!  (See References)

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References:

1. Vanderah, T. W., & Nolte, J. (2019). Chapter 13: The Chemical Senses of Taste and Smell. In Nolte's essentials of the human brain. essay, Elsevier.

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anatomy
Fish MCQ 30
Question ID: 112622138
Question written by fish. (C) FrontalCortex.com 2006-2009, all rights reserved. Created: 07/27/1973
Modified: 07/27/1973
Estimated Permutations: 120