Marijuana exerts its psychological effects through the actions of its active ingredient THC. What is the mechanism of action of THC?   A. THC blocks dopamine reuptake transporters in the nucleus accumbens   B. Marijuana does not act on the brain   C. THC binds to receptors on dopaminergic terminal buttons in the nucleus accumbens to increase dopamine release   D. THC binds to receptors on GABA neurons in the ventral tegmental area to increase dopamine activity

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