The Field Excitatory Postsynaptic Potential Measures the _______

The field excitatory postsynaptic potential measures the _______. (Select all that apply.)

A) release of neurotransmitter from the postsynaptic neuron
B) flow of negatively charged ions out of the neuron
C) flow of positively charged ions into the neuron
D) flow of positively charged ions into the extracellular space
E) None of the above