The drug ecstasy operates by reducing the transmission of neurons that use ______ as a neurotransmitter.
A. acetylcholine
B. epinephrine
C. serotonin
D. norepinephrine
Answer:C
The drug ecstasy operates by reducing the transmission of neurons that use ______ as a neurotransmitter.
A. acetylcholine B. epinephrine C. serotonin D. norepinephrine