Utah Car / Permit practice
Utah Car / Permit: Alcohol & Drugs practice test
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 · August 12, 2026
14 questions · pass with 11 correct. You get instant feedback and an explanation after every answer.
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12 sample Alcohol & Drugs questions with the correct answer, a short explanation, and the official handbook reference. Read through them, then take the quiz above.
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1. For a commercial driver, the blood alcohol limit while operating is:
Correct answer: 0.04
The threshold for a CDL driver is 0.04 BAC, lower than the 0.05 limit for other drivers.
Source: Utah Driver Handbook — Section 10: Alcohol and the Law
2. An ignition interlock device must be checked (monitored) at least every:
Correct answer: 60 days
Ignition interlock-restricted drivers must have the device monitored at least once every 60 days.
Source: Utah Driver Handbook — Section 10: Ignition Interlock Restricted Driver
3. Which of these is reduced by alcohol and other impairing drugs?
Correct answer: Your reaction time and judgment
Alcohol and impairing drugs cut down judgment, vision, color distinction, and reaction time, making driving far more dangerous.
Source: Utah Driver Handbook — Section 10: Effects of Alcohol and Drugs
4. After a first DUI conviction, a driver is automatically restricted to a vehicle with an ignition interlock device for:
Correct answer: 18 months
A first DUI conviction brings an automatic 18-month ignition interlock restriction, or three years if the driver was under 21 when arrested.
Source: Utah Driver Handbook — Section 10: Ignition Interlock Restricted Driver
5. When a driver is arrested for DUI, a Utah peace officer may confiscate the license, and the division will begin the suspension on the:
Correct answer: 45th day after the arrest
Following a DUI arrest, the officer may take the license and the division starts the suspension on the 45th day after the arrest date.
Source: Utah Driver Handbook — Section 10: Alcohol and the Law
6. According to the handbook, a driver's vision begins to be affected by alcohol at a BAC as low as:
Correct answer: 0.02
Vision — the most important sense in driving — is impaired starting at 0.02 BAC for all drivers.
Source: Utah Driver Handbook — Section 10: Effects of Alcohol and Drugs
7. For a person under the age of 21, purchasing, possessing, or drinking alcohol is:
Correct answer: Against the law
It is illegal for anyone under 21 to purchase, possess, or drink alcoholic beverages.
Source: Utah Driver Handbook — Section 10: 21 and Under
8. Under Utah's Not-a-Drop Act, a driver under 21 with any measurable alcohol loses driving privileges on a first offense for:
Correct answer: Six months
The Not-a-Drop law denies all driving privileges for six months on a first offense for a driver under 21 with any measurable alcohol.
Source: Utah Driver Handbook — Section 10: 21 and Under
9. Alcohol and other impairing drugs are involved in roughly what share of Utah's fatal traffic crashes each year?
Correct answer: About 40%
Alcohol and other impairing drugs play a role in about 40% of the crashes in which someone is killed each year.
Source: Utah Driver Handbook — Section 10: Alcohol/Drugs & Driving
10. On a first DUI conviction for a driver 21 or older, the license is suspended for:
Correct answer: 120 days
A first DUI conviction for a driver 21 and older carries a 120-day license suspension.
Source: Utah Driver Handbook — Section 10: Alcohol and the Law
11. Under Utah's implied consent law, refusing a chemical test on a first offense leads to a license revocation of:
Correct answer: 18 months
Refusing the officer's chemical test results in an 18-month revocation for a first offense and 36 months for a later one.
Source: Utah Driver Handbook — Section 10: Implied Consent Law
12. The handbook states that alcohol impairment begins:
Correct answer: With the first drink
Impairment starts with the very first drink, and even one drink can affect a person's ability to drive.
Source: Utah Driver Handbook — Section 10: Effects of Alcohol and Drugs
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