Minnesota: Alcohol and drugs — Part 3 Practice Test
Questions in this part include: “What is the DWI alcohol-concentration limit for a person driving a commercial vehicle?” · “What happens if you refuse to take the test under the implied consent law?”
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Questions are original and based on the official manual "Minnesota Driver’s Manual" (June 2026), Minnesota Driver and Vehicle Services.
All 16 questions in this practice test
Take the test above first, then use this list to study. Tap “Show answer” to see the correct answer and explanation.
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What is the DWI alcohol-concentration limit for a person driving a commercial vehicle?
- 0.04 percent
- 0.02 percent
- 0.06 percent
- 0.08 percent
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Correct answer: 0.04 percent
The limit is 0.04 percent if driving a commercial vehicle.
Source: Minnesota Driver’s Manual (June 2026), page 93
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Can a person who is in control of a parked vehicle be arrested for DWI?
- No, only if the vehicle is moving
- No, only if the engine is running
- Yes, at 0.08 percent or higher
- Yes, but only if the vehicle is on a highway
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Correct answer: Yes, at 0.08 percent or higher
The manual says a person in control of a moving or parked vehicle with an alcohol concentration of 0.08 or higher can be arrested for DWI.
Source: Minnesota Driver’s Manual (June 2026), page 93
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When can a driver be arrested for DWI with an alcohol concentration as low as 0.04 percent?
- When the driver is under 18 years of age and has a permit
- When the driver has a child younger than 16 in the vehicle
- When the driver has a prior DWI arrest on his or her record
- When an officer can prove that alcohol caused driving errors
Show answer
Correct answer: When an officer can prove that alcohol caused driving errors
A driver can be arrested for DWI with an alcohol concentration as low as 0.04 percent if an officer can prove that alcohol caused driving errors.
Source: Minnesota Driver’s Manual (June 2026), page 93
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To which other vehicles does the Minnesota DWI law also apply?
- Off-road recreational vehicles and motorboats
- Bicycles, skateboards and in-line skates
- Only commercial trucks and school buses
- Only vehicles that are registered to the driver
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Correct answer: Off-road recreational vehicles and motorboats
The law also applies to the operation of off-road recreational vehicles and motorboats.
Source: Minnesota Driver’s Manual (June 2026), page 93
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Under the implied consent law, what must you submit to if an officer has probable cause to believe you are impaired?
- A test of your hearing
- A blood, breath or urine test
- A written test about alcohol
- A road test with the officer
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Correct answer: A blood, breath or urine test
If an officer has probable cause to believe you are impaired, you must submit to a test of your blood, breath or urine.
Source: Minnesota Driver’s Manual (June 2026), page 93
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What happens if you refuse to take the test under the implied consent law?
- It is a crime and results in license revocation
- It is a violation that results only in a warning
- It results only in a fine
- It has no effect on your license
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Correct answer: It is a crime and results in license revocation
Refusing the test is a crime and results in a revocation of driving privileges.
Source: Minnesota Driver’s Manual (June 2026), page 93
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A refusal to take a test results in a revocation of driving privileges for how long?
- 30 days to six months, depending on the age of the driver
- One to three years, depending on the type of vehicle
- One to six years, depending on prior offenses
- A fixed period of seven days
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Correct answer: One to six years, depending on prior offenses
Refusing the test results in a revocation of driving privileges for one to six years, depending on the number of offenses on record.
Source: Minnesota Driver’s Manual (June 2026), page 93
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What is the purpose of a roadside preliminary screening device?
- It measures how quickly you can react to a red light signal
- It records how fast you were driving on the road
- It tests how well you can see at night on the road
- It shows the officer how much alcohol is in your system
Show answer
Correct answer: It shows the officer how much alcohol is in your system
A roadside preliminary screening device helps the officer determine the amount of alcohol in your system.
Source: Minnesota Driver’s Manual (June 2026), page 93
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How can the results of the pre-arrest breath test be used in court?
- They can be used as full evidence
- They have limited use as evidence
- They can never be used for any purpose
- They can only be used by the driver
Show answer
Correct answer: They have limited use as evidence
The pre-arrest breath test is an indicator of alcohol concentration, and its results have limited use as evidence in court.
Source: Minnesota Driver’s Manual (June 2026), page 93
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In which situation may a law enforcement officer ask you to take a test?
- You are stopped for a burned-out headlight
- You take and fail a pre-arrest breath test
- You pass a pre-arrest breath test
- You are driving at night on a rural road
Show answer
Correct answer: You take and fail a pre-arrest breath test
An officer may ask you to take a test when you take and fail a pre-arrest breath test.
Source: Minnesota Driver’s Manual (June 2026), page 93
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In which situation may a law enforcement officer ask you to take a test?
- You are in a crash that was caused only by a flat tire
- You are a passenger in a vehicle that is parked at a curb
- You are stopped for not wearing a seat belt on the road
- You are in an alcohol-related crash with injury or damage
Show answer
Correct answer: You are in an alcohol-related crash with injury or damage
An officer may ask you to take a test when you are involved in an alcohol-related crash that caused personal injury, property damage or death.
Source: Minnesota Driver’s Manual (June 2026), page 93
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What will law enforcement officers obtain for drivers who are ill with a medical condition that has symptoms similar to intoxication?
- A seven-day temporary license
- An ignition interlock device
- Medical assistance
- A limited license for work
Show answer
Correct answer: Medical assistance
Some medical conditions have symptoms similar to intoxication, and officers will obtain medical assistance for drivers who are ill.
Source: Minnesota Driver’s Manual (June 2026), page 93
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Which of these makes penalties for impaired driving more severe?
- Having a child younger than 16 in the vehicle at the time of the stop
- Having a pet riding in the back of the vehicle at the time of the stop
- Having valid proof of insurance in the vehicle at the time of the stop
- Having a passenger over 21 in the vehicle at the time of the stop
Show answer
Correct answer: Having a child younger than 16 in the vehicle at the time of the stop
Penalties are more severe if there is a child younger than 16 in the vehicle at the time of the stop.
Source: Minnesota Driver’s Manual (June 2026), page 94
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Penalties for impaired driving will be more severe if your alcohol concentration is at or above what level?
- 0.04 percent
- 0.08 percent
- 0.12 percent
- 0.16 percent
Show answer
Correct answer: 0.16 percent
Penalties will be more severe if you have an alcohol concentration of 0.16 percent or above.
Source: Minnesota Driver’s Manual (June 2026), page 94
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Which of these makes penalties for impaired driving more severe?
- Taking a pre-arrest breath test
- Refusing a pre-arrest breath test
- Asking to speak with a family member
- Driving a vehicle with a manual transmission
Show answer
Correct answer: Refusing a pre-arrest breath test
Penalties will be more severe if you refuse a pre-arrest breath test.
Source: Minnesota Driver’s Manual (June 2026), page 94
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If you are found to have an alcohol concentration of 0.08 percent or above or refuse to take a test, what may you receive?
- A 30-day temporary license, after which your driver’s license will be suspended
- A one-year limited license, after which you must take the road test
- A seven-day temporary license, after which your driver’s license will be revoked
- A warning letter, after which your driver’s license will be returned
Show answer
Correct answer: A seven-day temporary license, after which your driver’s license will be revoked
You may receive a seven-day temporary license, and at the end of the seven days your driver’s license will be revoked.
Source: Minnesota Driver’s Manual (June 2026), page 94