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Alcohol & Drugs
Montana Permit Test: Alcohol & Drugs Practice Questions
BAC limits, implied consent and DUI penalties.
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Question 1
About what share of fatal crashes involve alcohol?
About 40%
About 5%
About 15%
About 90%
Correct answer: About 40%
Alcohol is involved in about 40% of fatal crashes; even small amounts raise crash risk.
Source: Chapter 6: Physical Requirements β Drinking & Driving
Question 2
How quickly can alcohol reach and affect your brain?
Within one minute
After a full day
After one hour
Only after three drinks
Correct answer: Within one minute
Alcohol is absorbed through the stomach walls and can affect your brain within one minute, starting with judgment.
Source: Chapter 6: Physical Requirements β Why Is Drinking and Driving So Dangerous?
Question 3
Which counts as one alcoholic drink, per the Montana manual?
A pint of craft beer
A 12-ounce glass of wine
Two shots of liquor
A 5-ounce glass of wine
Correct answer: A 5-ounce glass of wine
One drink is 1Β½ oz of 80-proof liquor, 12 oz of commercial beer, or a 5-oz glass of wine; craft beers often contain more.
Source: Chapter 6: Physical Requirements β If You Drink, When Can You Drive?
Question 4
About how long does the average body take to process one drink?
One day
Four hours
One hour
Ten minutes
Correct answer: One hour
The average person processes one drink in one hour, and alcohol can still build up even at that rate.
Source: Chapter 6: Physical Requirements β If You Drink, When Can You Drive?
Question 5
What is the legal BAC limit for a Montana driver under 21?
0.02
0.04
0.05
0.08
Correct answer: 0.02
Drivers can be arrested at 0.08% BAC or more; for drivers under 21 the limit is 0.02.
Source: Chapter 6: Physical Requirements β Alcohol and the Law
Question 6
For a first alcohol conviction in Montana, how long is the license suspended?
Two years
One year
Six months
30 days
Correct answer: Six months
A first conviction brings a $300β$1,000 fine plus court costs, possible 1β60 days in jail, and a six-month suspension.
Source: Chapter 6: Physical Requirements β Alcohol and the Law
Question 7
What is the fine range for a first alcohol driving conviction in Montana?
$50 to $100
$100 to $250
$300 to $1,000
$2,000 to $5,000
Correct answer: $300 to $1,000
A first conviction is fined $300 to $1,000 plus court charges.
Source: Chapter 6: Physical Requirements β Alcohol and the Law
Question 8
Where may an open alcohol container legally be kept in a car with a trunk?
In the cup holder
On the floor in back
In the trunk or a locked glove box
Under the seat
Correct answer: In the trunk or a locked glove box
Open containers must be in a locked glove or storage compartment, the trunk or cargo area, or behind the last seat if there's no trunk.
Source: Chapter 6: Physical Requirements β Open Containers
Question 9
What number can you call to report a suspected drunk driver in Montana?
1-800-525-5555
1-800-555-1212
1-406-444-1772
611
Correct answer: 1-800-525-5555
Call local law enforcement, the Highway Patrol, or toll-free 1-800-525-5555 with a vehicle description and direction; you need not give your name.
Source: Chapter 6: Physical Requirements β Report a Drunk Driver
Question 10
A medicine label warns about operating heavy machinery. What does that mean for driving?
It doesn't apply to cars
Drive under 45 mph
Do not drive
Drive only in daytime
Correct answer: Do not drive
Warnings about operating heavy machinery mean do not drive your car or truck; ask a doctor or pharmacist if unsure.
Source: Chapter 6: Physical Requirements β Other Drugs & Driving
Question 11
Can prescribed medical marijuana affect your driving?
Only for new drivers
Only if smoked
No, not if a doctor prescribed it
Yes, much like alcohol
Correct answer: Yes, much like alcohol
Prescription drugs, including medical marijuana, can affect reflexes, judgment, vision and alertness much like alcohol.
Source: Chapter 6: Physical Requirements β Other Drugs & Driving
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