Utah Motorcycle practice
Alcohol, Drugs & Impairment
Blood alcohol limits, zero-tolerance and implied-consent laws, and how alcohol and drugs — legal or not — affect your driving.
Content reviewed against official driver handbooks · July 7, 2026
15 questions · pass with 12 correct. You get instant feedback and an explanation after every answer.
Study questions with answers
12 sample Alcohol, Drugs & Impairment questions with the correct answer, a short explanation, and the official handbook reference. Read through them, then take the quiz above.
1. A 12-ounce can of beer, a 5-ounce glass of wine, and a shot of hard liquor:
Correct answer: Contain the same amount of alcohol
All three contain the same amount of alcohol, so they affect the body similarly.
Source: Alcohol in the Body — Blood Alcohol Concentration
2. At roughly what rate can the body eliminate alcohol?
Correct answer: About one drink per hour
Alcohol is eliminated at a rate of almost one drink per hour, so drinking faster than that lets it build up in the body.
Source: Alcohol in the Body — Blood Alcohol Concentration
3. To fight fatigue, how often does the manual suggest stopping to get off the motorcycle?
Correct answer: At least every two hours
Take frequent rest breaks, stopping and getting off the bike at least every two hours.
Source: Fatigue
4. How does cannabis (marijuana) affect a person's ability to operate a motorcycle?
Correct answer: It distorts perception of time, space, and speed
Cannabis distorts perception of time, space, and speed, which is especially dangerous for riders who must make constant split-second judgments.
Source: Cannabis and Motorcycle Operation
5. Which of a rider's abilities does alcohol impair first?
Correct answer: Your judgment of how well you are actually riding
Judgment is affected first; you may ride more and more poorly while believing you are doing fine, so you take greater risks.
Source: Minimize the Risks
6. About how many hours a day do experienced riders seldom exceed to avoid fatigue?
Correct answer: About six hours
Seasoned riders rarely cover more than roughly six hours of riding in one day.
Source: Fatigue
7. In Utah, the blood alcohol concentration (BAC) at which an adult is considered intoxicated is:
Correct answer: 0.05 percent
The manual notes Utah's threshold is 0.05 percent, lower than the 0.08 percent used in most other states.
Source: Alcohol and the Law
8. Which three primary factors most affect a person's blood alcohol concentration?
Correct answer: How much you drink, how fast you drink, and body weight
The amount of alcohol consumed, how fast it is consumed, and the person's body weight are the three primary factors.
Source: Alcohol in the Body — Blood Alcohol Concentration
9. Nearly what fraction of fatally injured motorcycle riders had a BAC above the legal limit?
Correct answer: Nearly one-third
Research finds that close to one-third of riders killed in crashes were over the legal alcohol limit.
Source: Why This Information Is Important
10. How does alcohol get into the bloodstream after it is consumed?
Correct answer: It enters the blood quickly without digestion
Unlike most food and drink, alcohol is not digested; it passes into the bloodstream and reaches the brain within minutes.
Source: Alcohol in the Body
11. Why does the manual warn against relying on artificial stimulants to stay alert while riding?
Correct answer: They can cause extreme fatigue or depression as they wear off
As stimulants fade, they can leave a rider severely fatigued or low, unable to focus on the task.
Source: Fatigue
12. Which is one of the ways the manual suggests to keep a friend who has been drinking from riding?
Correct answer: Arrange a safe ride home for them
You can arrange a safe ride, slow their pace of drinking, keep them there with food and coffee, or get other friends involved.
Source: Step in to Protect a Friend
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Every Utah question is written from the official Utah driver handbook and checked against its current edition. DMV Test Free is a free, independent study resource — not affiliated with any DMV or government agency. About DMV Test Free