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Louisiana Impairment practice

Practice 46 Louisiana 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 using marijuana while driving?

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

Why: Marijuana typically slows down your reaction times rather than speeding them up. It impairs cognitive functions, making it difficult to focus and judge distances accurately.

2

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

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

Why: Marijuana is the most frequently detected drug after alcohol in drivers involved in crashes. It significantly impairs coordination, judgment, and reaction time, making it a major safety risk.

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