Prince Edward Island Knowledge Test Coach
Alcohol, drugs and fitnessQuestion 266 of 312

A driver mixes alcohol with a common tranquilizer. What is the risk?

  1. The effect on driving can be much worse than from each one alone
  2. The two cancel each other
  3. The alcohol leaves the body faster
  4. Nothing, if the doses are small
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Correct answer: The effect on driving can be much worse than from each one alone

The handbook says two drinks and one normal dose of a tranquilizer can impair you as much as six drinks.

Source: Prince Edward Island Driver's Handbook (revised spring 2011), Chapter 4: Impaired driving: The effect of mixing alcohol and other drugs, page 127

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Questions last reviewed: 18 October 2026