The Effect of a Particular Neurotransmitter on Postsynaptic Neurons

Multiple Choice

The effect of a particular neurotransmitter on postsynaptic neurons

A) is always either excitatory or inhibitory.
B) depends on the properties of the postsynaptic neuron.
C) may be modulated by the presence or absence of another neurotransmitter.
D) depends on the properties of the postsynaptic neuron and may be modulated by the presence or absence of another neurotransmitter.