New Brunswick Knowledge Test Coach
Safe drivingQuestion 281 of 309

Which ability does alcohol or cannabis harm?

  1. Only your eyesight
  2. Only your hearing
  3. Reaction time and judgment
  4. Only your sense of smell
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Correct answer: Reaction time and judgment

Alcohol and drugs slow your reactions and harm your attention and judgment.

Source: New Brunswick Driver's Handbook (Government of New Brunswick, 2022), 5.9 Impaired driving, page 65

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Questions last reviewed: 18 October 2026