Which substance is not classified as a stimulant in the given material?

Which substance is not classified as a stimulant in the given material?

• A. PCP Angel Dust
• B. Cocaine
• C. Amphetamines
• D. Methamphetamine

Answer: (A)

Stimulants elevate central nervous system activity by increasing dopamine and norepinephrine in the brain, which drives heightened energy, alertness, and euphoria. Cocaine, amphetamines, and methamphetamine produce these effects by promoting dopamine release and/or blocking its reuptake. PCP works through a different mechanism: it is a dissociative anesthetic that primarily blocks NMDA receptors, leading to dissociation, altered perception, and analgesia rather than the classic stimulant feel. Because its pharmacology and effects don’t align with the stimulant profile, it is not classified as a stimulant in the material.

Stimulants elevate central nervous system activity by increasing dopamine and norepinephrine in the brain, which drives heightened energy, alertness, and euphoria. Cocaine, amphetamines, and methamphetamine produce these effects by promoting dopamine release and/or blocking its reuptake.

PCP works through a different mechanism: it is a dissociative anesthetic that primarily blocks NMDA receptors, leading to dissociation, altered perception, and analgesia rather than the classic stimulant feel. Because its pharmacology and effects don’t align with the stimulant profile, it is not classified as a stimulant in the material.