National Certified Addiction Counselor, Level 2 (NCAC II) Practice Exam Exam

Which class of drugs includes substances like LSD and mescaline?

1. Hallucinogens

2. Narcotics

3. Stimulants

4. Solvents/Inhalants

The correct answer is: Hallucinogens

The correct choice is based on the classification of drugs according to their effects and properties. Hallucinogens are substances that significantly alter perception, mood, and cognitive processes. LSD (lysergic acid diethylamide) and mescaline, which is derived from the peyote cactus, are well-known examples that induce profound changes in sensory perception and consciousness. Users often report vivid visual and auditory hallucinations, altered thought processes, and an overall change in the sense of time and self. In contrast, the other classifications do not include these substances. Narcotics primarily refer to opioids, which are used for pain relief and can induce drowsiness or euphoria. Stimulants are drugs that increase alertness, attention, and energy by enhancing the activity of the central nervous system, such as cocaine or amphetamines. Solvents and inhalants are substances that produce psychoactive effects when inhaled, often leading to short-term intoxication but differ significantly from the hallucinatory effects of LSD and mescaline. Therefore, identifying LSD and mescaline as hallucinogens accurately reflects their primary classification in pharmacology.