Question

question 18 -- alters consciousness by blocking the reuptake of dopamine and increasing its release. in the long term, it can cause considerable damage throughout the brain and body.
marijuana
crack cocaine
methamphetamine
heroin

Explanation:

Crack cocaine is a stimulant drug that affects the brain's dopamine - related processes by blocking reuptake and increasing release, leading to long - term damage. Heroin is an opioid, methamphetamine is a different type of stimulant with a different mechanism in part, and marijuana has a distinct mode of action mainly involving cannabinoid receptors.

Answer:

C. Crack cocaine