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Massachusetts Impairment practice

Practice 37 Massachusetts 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 typical result of using marijuana while driving?

  • 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 cognitive functions, leading to slower, not faster, reaction times. It makes it difficult to process sights and sounds quickly while driving.

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 most frequently detected drug in drivers involved in crashes. It significantly affects your ability to react to what you see and hear on the road.

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