The FrontalCortex question bank is free for everyone, everywhere.
All the time.

Effect of Sodium Influx on a Neuron Membrane

Topic: Physiology

Created on Monday, September 1 2014 by jdmiles

Last modified on Monday, September 1 2014.

Influx of Sodium (Na+) across a neuron membrane has a(n) __________ effect

 
        A) Psychedelic
 
        B) Highly suspicious
 
        C) Excitatory
 
        D) Inhibitory
 
        E) Depressing
 

 


Back to the question = Go back to the top of the page.
See another question like this one = Reload a different version of this question ().
Click here for a random question = Load a random question from the database.
Clone this question = Use this question as a template to create a totally NEW question.
Rate this question = Enter detailed rating for this question!
Average rating not yet available
= How users like you have rated this question.
This question was created on September 01, 2014 by jdmiles.
This question was last modified on September 01, 2014.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANSWERS AND EXPLANATIONS




A) Psychedelic

This answer is incorrect.


When sodium (Na+) ions flow from the extracellular space into the cytoplasm of a cell, the effect is excitatory. The cell membrane becomes depolarized, or less negative.  (See References)

Back to the questionSee another question like this oneClick here for a random questionClone this question Rate this question
Average rating not yet available
Please log in if you want to rate questions.

 

 

 

 

 

 

 

 

 




B) Highly suspicious

This answer is incorrect.


When sodium (Na+) ions flow from the extracellular space into the cytoplasm of a cell, the effect is excitatory. The cell membrane becomes depolarized, or less negative.  (See References)

Back to the questionSee another question like this oneClick here for a random questionClone this question Rate this question
Average rating not yet available
Please log in if you want to rate questions.

 

 

 

 

 

 

 

 

 




C) Excitatory

This answer is correct.


When sodium (Na+) ions flow from the extracellular space into the cytoplasm of a cell, the effect is excitatory. The cell membrane becomes depolarized, or less negative.  (See References)

Back to the questionSee another question like this oneClick here for a random questionClone this question Rate this question
Average rating not yet available
Please log in if you want to rate questions.

 

 

 

 

 

 

 

 

 




D) Inhibitory

This answer is incorrect.


When sodium (Na+) ions flow from the extracellular space into the cytoplasm of a cell, the effect is excitatory. The cell membrane becomes depolarized, or less negative.  (See References)

Back to the questionSee another question like this oneClick here for a random questionClone this question Rate this question
Average rating not yet available
Please log in if you want to rate questions.

 

 

 

 

 

 

 

 

 




E) Depressing

This answer is incorrect.


When sodium (Na+) ions flow from the extracellular space into the cytoplasm of a cell, the effect is excitatory. The cell membrane becomes depolarized, or less negative.  (See References)

Back to the questionSee another question like this oneClick here for a random questionClone this question Rate this question
Average rating not yet available
Please log in if you want to rate questions.

 

 

 

 

References:

1. John Nolte; three-dimentional brain reconstructions by John Sundsten. The human brain: an introduction to its functional anatomy. Philadelphia, PA : Mosby/Elsevier, c2009. (ISBN:0323041310)Advertising:
Back to the questionSee another question like this oneClick here for a random questionClone this question Rate this question
Average rating not yet available
Please log in if you want to rate questions.

 

FrontalCortex.com -- Neurology Review Questions -- Neurology Boards -- Board Review -- Residency Inservice Training Exam -- RITE Exam Review
physiology
Effect of Sodium Influx on a Neuron Membrane
Question ID: 90114165
Question written by J. Douglas Miles, (C) 2006-2009, all rights reserved.
Created: 09/01/2014
Modified: 09/01/2014
Estimated Permutations: 600

User Comments About This Question:

0 user entries
Please log in if you'd like to add a comment.