RRoad Rules Prep

Kentucky Impairment practice

Practice 38 Kentucky DMV questions on impairment. Answer interactively below with an instant explanation after every question.

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Example questions & answers

1

Which of these is NOT a likely effect of marijuana on 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 ability to drive safely by slowing down your physical and mental responses. It does not improve or speed up your reaction time.

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 second most common drug found in the bodies of drivers involved in accidents, ranking just behind alcohol. The driver manual warns that besides alcohol, many other drugs can severely affect your ability to drive safely.

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Practice material only — verify current rules with the Kentucky Division of Motor Vehicle Licensing.