Methamphetamine is an example of a

• A. depressant.
• B. narcotic.
• C. stimulant.
• D. hallucinogen.

Answer: (C)

Verified step by step guidance

1. Understand the definition of each category: Depressants slow down the function of the central nervous system, narcotics are drugs that relieve pain and induce sleep, stimulants increase the activity of the central nervous system, and hallucinogens cause altered perceptions and feelings.
2. Identify the primary effects of methamphetamine: It increases alertness, concentration, and energy, and can elevate mood.
3. Match the effects of methamphetamine with the definitions of each category: The effects of increased alertness and energy align with the characteristics of stimulants.
4. Consider the physiological impact: Methamphetamine increases the release of dopamine in the brain, which is a typical action of stimulants.
5. Conclude that methamphetamine is classified as a stimulant based on its effects and mechanism of action.