Which of the following is the most important contributor to the difference between the resting membrane potential and the equilibrium potential of potassium? A B Influx of Ca++ ions Influx of Cl- ions с Influx of Na+ ions D Electrogenic effect of Na+/K+ pump

Which of the following is the most important contributor to the difference between the resting membrane potential and the equilibrium potential of potassium? A B Influx of Ca++ ions Influx of Cl- ions с Influx of Na+ ions D Electrogenic effect of Na+/K+ pump

Human Biology (MindTap Course List)

11th Edition

ISBN:9781305112100

Author:Cecie Starr, Beverly McMillan

Publisher:Cecie Starr, Beverly McMillan

Chapter13: The Nervous System

Section: Chapter Questions

Problem 5SQ: The accelerating flow of _______ ions through gated channels across the membrane triggers an action...

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Concept explainers

Osmosis

In simple words, osmosis is the slow, gradual movement of a liquid through a membrane. But there are nuances to this process. For instance, there has to be an imbalance in the distribution of solute in the liquid on either side of the membrane, which has to be semipermeable. The liquid in the region with a lower solute concentration moves to the region with a higher concentration, thereby displacing the solution in the process. The objective is to equalize the concentration of molecules on both sides of the membrane; the displacement of liquid can be viewed as a byproduct of this equalization. Since there is no energy required to carry osmosis, it is considered a passive process.

Question

Which of the following is the most important contributor
to the difference between the resting membrane
potential and the equilibrium potential of potassium?
A
B
Influx of Ca++ ions
Influx of Cl- ions
с
D
Influx of Na+ ions
Electrogenic effect
of Na+/K+ pump

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