RRoad Rules Prep

Ohio Impairment practice

Practice 58 Ohio DMV questions on impairment. Answer interactively below with an instant explanation after every question.

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Example questions & answers

1

How does marijuana NOT typically affect your 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 driving abilities, including your focus, night vision, and perception of speed. According to the manual, it "slows your ability to process information," meaning it causes slower, not faster, reaction times. Therefore, a faster reaction time is NOT a likely effect.

2

What is the second most common drug, after alcohol, found in drivers involved in traffic accidents?

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

Why: Marijuana is the most frequently detected drug other than alcohol in the systems of drivers involved in crashes. It significantly impairs the coordination and reaction time required for safe driving.

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Practice material only — verify current rules with the Ohio Bureau of Motor Vehicles.