National Certified Addiction Counselor, Level I (NCAC I) Practice Exam

What is the primary characteristic of cocaine compared to other CNS stimulants?

1. Most potent but long-acting

2. Least abused

3. Most potent but short-acting

4. Equal potency with other stimulants

The correct answer is: Most potent but short-acting

Cocaine is primarily characterized by being a very potent central nervous system (CNS) stimulant that has a relatively short duration of action compared to other stimulants. This means that once ingested, the effects of cocaine are felt quickly and intensely, leading to a rapid onset of euphoria and increased energy, but these effects wear off within a short period. This rapid action is mediated by cocaine's ability to quickly cross the blood-brain barrier and its effect on the reuptake of neurotransmitters such as dopamine, leading to its strong reinforcing properties. In contrast, many other stimulants may be less potent but have longer durations of action, leading to more stable effects over time. Cocaine's short-acting nature contributes to its high potential for abuse, as individuals may repeatedly use the drug to recapture the intense effects. Understanding this characteristic is crucial for professionals working in addiction counseling and treatment, as it informs the strategies for intervention and management of cocaine use disorders.