during an excitatory postsynaptic potential (epsp), the postsynaptic membrane would most likely become more permeable to which of the following:

When sodium channels open in response to a stimulus, an excitatory postsynaptic potential (EPSP) takes place. As a result of the electrochemical gradient, sodium floods the cell. The membrane potential of the cell increases or depolarizes, when sodium introduces its positive charge into the cell.

Synaptic inputs called excitatory postsynaptic potentials (EPSPs) depolarize the postsynaptic cell, bringing the membrane potential closer to the action potential threshold.

This makes the EPSP more likely to result in an action potential from the postsynaptic neuron, designating this synapse as excitatory.

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Complete question:

During an excitatory postsynaptic potential (EPSP), the postsynaptic membrane would most likely become more permeable to which of the following:

a) Na+.

b) K+.

c) Norepinephrine

d) Cl-.

e) Acetylcholine