A patient asks why cannabis use can impair driving even when the person does not feel very intoxicated. Which response is best?
Correct answer: A. Cannabis can impair reaction time and judgment
- A. Cannabis can impair reaction time and judgment
- B. Cannabis always causes complete unconsciousness
- C. Cannabis improves coordination at low doses
- D. Cannabis prevents all memory formation
Explanation
Cannabis may impair attention, reaction time, coordination, and judgment, which makes driving unsafe. The effects vary by dose and person, but subjective confidence does not guarantee safe performance.
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About Substance Use Disorders
Substance use disorders cover problematic use, intoxication, tolerance, dependence, withdrawal, and the effects of alcohol, opioids, sedatives, stimulants, cannabis, and other substances. The topic includes assessment, overdose and withdrawal management, detoxification, motivational interviewing, relapse prevention, and the difference between physical dependence and addiction.
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