A new drug has the effect of opening sodium channels at the postsynaptic membrane. The result at the postsynaptic membrane is likely to be
A)depolarization
B)hyperpolarization
C)increased rate of firing
D)inhibition
E)increased reuptake

Question

Quizplus · Accepted Answer

Opening sodium channels at the postsynaptic membrane allows sodium ions to flow into the cell, leading to depolarization. This makes the inside of the cell more positive and closer to the threshold for firing an action potential.

A New Drug Has the Effect of Opening Sodium Channels