North Dakota Car / Permit practice
North Dakota 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
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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. What does a second DUI conviction within seven years bring in North Dakota?
Correct answer: A $1,000 fine, ten days in jail, and 24/7 Sobriety Program participation
A second conviction inside seven years carries a $1,000 fine, ten days in jail, and a year or more of 24/7 Sobriety Program participation required as a probation condition.
Source: North Dakota Noncommercial Driver License Manual — Driving While Under the Influence
2. What does the manual say about over-the-counter cold medicine and driving?
Correct answer: It can make a driver drowsy, so read the directions
Even ordinary cold tablets and capsules can leave a driver drowsy, so the manual tells you to read every direction on the package before getting behind the wheel.
Source: North Dakota Noncommercial Driver License Manual — Drugs
3. How long is the license suspension for a first alcohol offense within seven years at an AC of .08?
Correct answer: 91 days
A first offense inside a seven-year window at .08 percent draws a 91-day suspension; the period lengthens sharply for higher readings and repeat offenses.
Source: North Dakota Noncommercial Driver License Manual — Driving While Under the Influence
4. A driver's second offense within seven years shows an AC of .18 or above. How long is the suspension?
Correct answer: Two years
The table sets two years for a second offense inside seven years when the reading reaches .18 or higher, versus 365 days for a second offense below that level.
Source: North Dakota Noncommercial Driver License Manual — Driving While Under the Influence
5. What happens to your license if you refuse a chemical test or a roadside breath test?
Correct answer: Revocation lasting from 180 days to three years
Turning down either test costs you the license through a revocation running anywhere from 180 days up to three years.
Source: North Dakota Noncommercial Driver License Manual — Driving While Under the Influence
6. What does the manual say is the only thing that clears alcohol from the bloodstream?
Correct answer: The passage of time
Nothing speeds the process up: coffee, a cold shower, and exercise all leave the alcohol where it is, and only the passage of time removes it.
Source: North Dakota Noncommercial Driver License Manual — Alcohol
7. Which three things does the manual say shape a person's alcohol concentration?
Correct answer: Alcohol content, the time span of drinking, and lean body weight
The manual names the alcohol content of the drinks, the span of time over which they were consumed, and the drinker's lean body weight.
Source: North Dakota Noncommercial Driver License Manual — Alcohol
8. What does North Dakota's open container law require of an unsealed bottle in a car?
Correct answer: It must be stowed in the trunk
Nobody in the vehicle, driver or passenger, may drink from it, and any container whose seal is broken has to ride in the trunk.
Source: North Dakota Noncommercial Driver License Manual — Open Container Law
9. How much extra jail time follows a DUI crash that kills someone in North Dakota?
Correct answer: One additional year
On top of the ordinary DUI penalties, causing a serious injury adds 90 days in jail, and causing a death stretches the sentence by a full year.
Source: North Dakota Noncommercial Driver License Manual — Driving While Under the Influence
10. At what alcohol concentration is a North Dakota driver aged 21 or older considered legally under the influence?
Correct answer: .08 percent
A chemical test result of eight one-hundredths of one percent or higher puts an adult driver over the legal line; for anyone under 21 the figure is .02 percent.
Source: North Dakota Noncommercial Driver License Manual — Driving While Under the Influence
11. What alcohol concentration makes a driver under 21 legally impaired in North Dakota?
Correct answer: .02 percent
Drivers who have not reached 21 are held to a much tighter figure — two one-hundredths of one percent — rather than the .08 percent that applies to adults.
Source: North Dakota Noncommercial Driver License Manual — Driving While Under the Influence
12. Under North Dakota's implied consent rule, what have you already agreed to by holding a license?
Correct answer: A chemical test of blood, breath, urine, or saliva
Accepting a license means you have consented in advance to a chemical test of blood, breath, urine, or saliva to establish alcohol or drug content.
Source: North Dakota Noncommercial Driver License Manual — Implied Consent
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Every North Dakota question is written from the official North Dakota 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