A series of measurements with a voltmeter show a neuron's membrane potential becoming more negative,from - 70 mV to - 85 mV.This neuron is experiencing a:
A)repolarization phase.
B)hyperpolarization phase.
C)depolarization phase.
D)polarization phase.

Question

Quizplus · Accepted Answer

The membrane potential becoming more negative, from -70 mV to -85 mV, indicates that the neuron is experiencing hyperpolarization. During hyperpolarization, the membrane potential becomes more negative than the resting membrane potential of -70 mV, making it more difficult for the neuron to generate an action potential.

A Series of Measurements with a Voltmeter Show a Neuron's