Which Statement About Neurotransmitters Is Accurate

Multiple Choice

Which statement about neurotransmitters is accurate?

A) Neurotransmitters are released by dendrites and reabsorbed by the neuron body.
B) Abnormal neurotransmitter levels may be associated with symptoms of mental disorders.
C) Neurotransmitters have only excitatory effects on the human nervous system.
D) Neurotransmitters send neural impulses to the axons of receiving neurons.