The electrical charge inside of the neuron relative to the outside reaches _____ millivolts during an action potential.
A)-70
B)0
C)+40
D)+70

Question

Quizplus · Accepted Answer

During an action potential, the electrical charge inside of a neuron relative to the outside reaches approximately +40 millivolts. This is due to the rapid influx of sodium ions (Na+) into the cell, which temporarily reverses the resting membrane potential.

The Electrical Charge Inside of the Neuron Relative to the Outside