Stanley takes LSD. As a result he may experience which of the following effects?
A) wakefulness, alertness, and shortened reaction time
B) reduced anxiety and tension, and sedation
C) a mixture of stimulant and narcotic effects
D) powerful emotions and perceptual distortions
Answer: D
Rationale: LSD (lysergic acid diethylamide) is a type of hallucinogen. Like other hallucinogens, it produces perceptual distortions such as hallucinations. LSD can also elicit powerful emotional experiences that can be widely ranging—from extreme euphoria to fear, panic, and paranoia.
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