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Minnesota Impairment practice

Practice 48 Minnesota DMV questions on impairment. Answer interactively below with an instant explanation after every question.

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Example questions & answers

Which of the following is not a typical effect of marijuana on a person's driving ability?

A.Reduced ability to focus
B.Faster reaction time✓
C.Impaired night vision
D.Impaired sense of time, speed, and distance

Why: Marijuana impairs your driving abilities rather than enhancing them. It causes slower reaction times, not faster ones, making it difficult to respond quickly to hazards.

Which drug is most frequently found in drivers involved in accidents, following alcohol?

A.cocaine.
B.cold or allergy medications.
C.marijuana.✓
D.pain relievers.

Why: After alcohol, marijuana is the most frequently detected drug in drivers involved in crashes. The driver's manual emphasizes that driving while impaired by drugs, including illegal substances like marijuana, is just as dangerous as driving under the influence of alcohol.

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