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Maryland Impairment practice

Practice 56 Maryland DMV questions on impairment. Answer interactively below with an instant explanation after every question.

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Example questions & answers

1

Which of the following is NOT a probable result of driving under the influence of marijuana?

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

Why: Marijuana is a depressant that slows down the central nervous system, resulting in delayed responses. Therefore, it causes slower reaction times, not faster ones.

2

After alcohol, what is the second most common drug used by drivers involved in accidents?

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

Why: After alcohol, marijuana is the second most common drug found in drivers involved in collisions. It severely affects coordination and reaction time, making driving dangerous.

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