Which Mechanism Is NOT One by Which Drugs Alter Synaptic

Multiple Choice

Which mechanism is NOT one by which drugs alter synaptic transmission?

A) increasing the ability of the presynaptic neuron to produce neurotransmitter
B) increasing the ability of the presynaptic neuron to receive neurotransmitter
C) decreasing the ability of the presynaptic neuron to produce neurotransmitter
D) altering the mechanisms for clearing neurotransmitter from the synapse