California Responsible Beverage Service (RBS) Alcohol Practice Exam

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Which substance is classified as a stimulant?

Cocaine
Alcohol
Heroin
Marijuana

The correct answer is: Cocaine

Cocaine is classified as a stimulant because it increases the activity of certain neurotransmitters in the brain, particularly dopamine, which enhances alertness, attention, and energy levels. This class of drugs acts primarily on the central nervous system, leading to increased heart rate, heightened feelings of euphoria, and greater physical and mental performance. In contrast, alcohol is a depressant that slows down the central nervous system. Heroin is classified as an opioid and is primarily used for its pain-relieving properties, leading to sedation rather than stimulation. Marijuana, while it can have varying effects based on the strain, is often categorized as a depressant or hallucinogen rather than a stimulant. Therefore, cocaine stands out for its stimulatory effects on the body and mind.