Multiple Choice
In a neuron at rest, there is a difference in the electrical charge across the cell membrane, with the inside of the cell being more negative than the outside.This is primarily due to
A) leak currents produced by the permeability of the membrane to K+ ions.
B) the difference in the concentrations of Na+ inside and outside of the cell.
C) the difference in the concentrations of Cl- inside and outside of the cell.
D) leak currents produced by the diffusion of Ca2+ ions.
E) the difference in concentrations of Ca2+ inside and outside of the cell.
Correct Answer:

Verified
Correct Answer:
Verified
Q196: A drug that blocks the GABA receptor<br>A)
Q197: A new drug blocks the nicotinic receptors
Q198: When voltage-gated K<sup>+</sup> channels open in the
Q199: When exposed to bright light, the pupil
Q200: Acetylcholine is<br>A) a neurotransmitter.<br>B) released by muscle
Q202: In looking at a section through the
Q203: Sea stars have a nerve net in
Q204: Why is it important for a neuron
Q205: A particular disease of the nervous system
Q206: Which of the following is not a