Alcohol/Drugs and Driving — Utah Driver License Practice Test
41 questions in this topic · 30 drawn at random this round
Effective January 1, 2026, what designation applies to a person convicted of an extreme DUI in Utah?
Session Progress
This Utah Driver License Alcohol/Drugs and Driving practice set has 41 practice questions based on the official exam materials, each with an instant explanation. You need 80% on the real Utah Driver License knowledge test to pass.
Sample questions
Three questions from the Alcohol/Drugs and Driving bank with the correct answer and an explanation. The practice quiz above draws 30 questions at random from the same bank.
Approximately what percentage of all traffic crashes in which someone is killed each year involve alcohol and other impairing drugs?
- About 40% — Correct answer
- About 10%
- About 75%
- About 5%
Explanation: Alcohol and other impairing drugs are involved in approximately 40% of all traffic crashes in which someone is killed yearly. Drinking or using drugs and driving even a little greatly increases your chances of being in a crash.
Handbook: Alcohol/Drugs and Driving — Effects of Alcohol and Drugs
Which of the following does alcohol and other impairing drugs reduce in a driver?
- Judgment, vision, color distinction, and reaction time — Correct answer
- Only the ability to hear sirens
- Fuel economy and tire grip
- Nothing important to driving
Explanation: Alcohol and other impairing drugs reduce judgment, vision, color distinction, and reaction time — all of which are essential to safe driving.
Handbook: Alcohol/Drugs and Driving — Effects of Alcohol and Drugs
What is the most important sense you use in driving?
- Vision — Correct answer
- Hearing
- Smell
- Touch
Explanation: Vision is the most important sense you use in driving. Alcohol blurs vision, slows focus, causes double vision, and reduces the ability to judge distance, speed, and movement.
Handbook: Alcohol/Drugs and Driving — Effects of Alcohol and Drugs