Certified Prevention Professional (CPP) Practice Exam

Which of the following is an example of a stimulant?

1. Caffeine

2. Alcohol

3. Cocaine

4. LSD

The correct answer is: Cocaine

Caffeine is a well-known stimulant that affects the central nervous system, increasing alertness and energy levels. It works by blocking adenosine receptors, reducing feelings of fatigue and promoting wakefulness. Caffeine is commonly consumed in beverages such as coffee and tea, making it widely accessible and socially accepted. While cocaine is also a stimulant, it is a powerful illegal drug that has significant effects on the brain, notably increasing levels of dopamine, which can lead to heightened feelings of euphoria and alertness. However, the question aims to identify an example of a stimulant, and caffeine is often highlighted for its prevalence and legal status. Alcohol and LSD, on the other hand, do not fit the category of stimulants. Alcohol is a depressant that slows down brain function and impairs coordination and judgment. LSD, or lysergic acid diethylamide, is a hallucinogen that alters perception, mood, and cognitive processes rather than providing stimulation. Thus, caffeine stands out clearly as a mild and widely recognized stimulant in everyday life.