Which of the Following Statements Is True

Multiple Choice

Which of the following statements is true?

A) Psychoactive drugs produce their effects primarily by acting on the endocrine system.
B) Cocaine blocks the brain's production of glutamate and GABA.
C) Drugs can decrease the levels of a neurotransmitter by blocking reabsorption (reuptake) .
D) Heavy methamphetamine use can cause damage to dopamine cells and lasting impairment.