RRoad Rules Prep

Alaska Impairment practice

Practice 40 Alaska 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 marijuana use while operating a vehicle?

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

Why: Marijuana is a drug that impairs driving ability by slowing down the central nervous system and decreasing alertness. While it negatively impacts focus, vision, and spatial awareness, it causes slower reaction times rather than faster ones.

2

Which drug is the second most frequently used by drivers in accidents, following alcohol?

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

Why: While alcohol is the leading cause of impaired driving, marijuana is the second most frequently detected drug in drivers involved in traffic accidents. It significantly impairs the cognitive and motor skills necessary for safe driving.

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Practice material only — verify current rules with the Alaska Division of Motor Vehicles.