Yukon Knowledge Test Coach
Safe drivingQuestion 165 of 215

A driver takes a drug and also drinks a small amount of alcohol. What is the effect on driving?

  1. The drug cancels the alcohol
  2. Impairment greatly increases
  3. Impairment stays the same as with alcohol alone
  4. Only the alcohol affects driving
Show answer

Correct answer: Impairment greatly increases

Many drugs greatly increase impairment when mixed with even a small amount of alcohol. Do not drive after you combine them.

Source: Yukon Driver's Basic Handbook: Cars and Light Trucks (Government of Yukon, © 2022), Chapter 7, Drugs and alcohol, page 102

Practice safe driving

Questions last reviewed: 18 October 2026