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

Which of the following is NOT a common use of barbiturates?

1. Anticonvulsants

2. Anesthetics

3. Stimulants

4. Sedatives

The correct answer is: Stimulants

Barbiturates are a class of drugs that primarily act as central nervous system depressants. They have well-established roles in medical settings, primarily as sedatives, anesthetics, and anticonvulsants. As sedatives, barbiturates are commonly prescribed to reduce anxiety, promote sleep, and provide sedation before surgical procedures. Their ability to enhance the effects of the neurotransmitter GABA leads to a calming effect, making them useful in managing acute anxiety and insomnia. As anesthetics, certain barbiturates can be utilized to induce unconsciousness in patients undergoing surgery. They provide rapid onset of action, allowing for quick sedation. Anticonvulsants are another important application, as some barbiturates can effectively manage seizure disorders by stabilizing neural activity. However, barbiturates are not used as stimulants. Stimulants are substances that activate the central nervous system, increasing energy, alertness, and attention, which is contrary to the depressant effects of barbiturates. Therefore, identifying stimulants as a use for barbiturates is incorrect, providing clarity on why this is the appropriate response to the question.