What happens to the resting membrane potential of -70 mV when channels for a cation with an equilibrium potential of -30 mV open?
A) depolarization
B) returns to -70 mV
C) repolarization
D) hyperpolarization
E) membrane stabilization

Question

Quizplus · Accepted Answer

When channels for a cation with an equilibrium potential of -30 mV open, the resting membrane potential of -70 mV becomes less negative, moving towards the equilibrium potential of the cation. This process is known as depolarization.

What Happens to the Resting Membrane Potential of -70 MV