An Excitatory Postsynaptic Potential ____

Multiple Choice

An excitatory postsynaptic potential ____.  

A) is cancelled out by an inhibitory postsynaptic potential
B) has a hyperpolarizing effect
C) will drive the membrane away from its potential
D) is summed with an inhibitory postsynaptic potential at the input zone of a neuron
E) works so that only one impulse can be received at a time