In Temporal Summation,a Single Presynaptic Neuron Stimulates the Creation of Action

Multiple Choice

In temporal summation,a single presynaptic neuron stimulates the creation of action potentials in a postsynaptic neuron when it

A) stops firing long enough to allow the postsynaptic neuron to recover.
B) fires at a fast enough rate that the sum of EPSPs in the postsynaptic neuron moves above threshold.
C) fires at a steady rate that allows the postsynaptic neuron to return to resting potential.
D) recruits other presynaptic neurons to begin to fire.
E) runs out of neurotransmitter.