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Delaware Impairment practice

Practice 39 Delaware 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 effect of marijuana on 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 ability to drive safely by slowing down your reaction times rather than speeding them up. It negatively impacts focus, night vision, and time perception.

2

What is the second most common drug, after alcohol, used by drivers involved in accidents?

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

Why: Marijuana is the most frequently detected drug in drivers involved in crashes after alcohol. It significantly impairs a driver's judgment, coordination, and reaction time.

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