RRoad Rules Prep

Vermont Impairment practice

Practice 44 Vermont DMV questions on impairment. Answer interactively below with an instant explanation after every question.

Loading questions…

Example questions & answers

1

Which of the following is not a common effect of marijuana on a person's driving ability?

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

Why: Marijuana slows down the central nervous system, leading to slower, not faster, reaction times. While it impairs focus and perception, it never improves physical response speed.

2

Which drug is most frequently found in drivers involved in accidents, following alcohol?

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

Why: While alcohol is the leading cause of fatal crashes, marijuana is the second most frequently detected drug in drivers involved in accidents. It significantly impairs judgment, motor coordination, and reaction time.

Take the full Vermont mock exam →

Practice material only — verify current rules with the Vermont Department of Motor Vehicles.