When a nerve cell fires in your big toe, it is an interaction of positive and negative ions in the membrane of the nerve cell. This membrane has structural similarities to
A) a point charge.
B) oppositely charged parallel plates.
C) a dipole.
D) a solid block of positive ions embedded with a few impurities in the form of negative ions.

Question

Quizplus · Accepted Answer

The membrane of a nerve cell, when it fires, acts similarly to oppositely charged parallel plates due to the distribution of positive and negative ions across the membrane, creating a voltage difference that drives the nerve impulse.

When a Nerve Cell Fires in Your Big Toe, It