To Increase the Amount of Neurotransmitter Released onto a Postsynaptic

Multiple Choice

To increase the amount of neurotransmitter released onto a postsynaptic cell, the presynaptic cell would have to

A) send action potentials with higher voltage (higher amplitude) .
B) send action potentials with longer durations.
C) send action potentials with higher frequency.
D) do nothing; no change is possible since the all-or-none law is in effect.