Montana: Alcohol and drugs
How alcohol and drugs affect driving, blood alcohol concentration, implied consent and Montana’s penalties for driving under the influence. Split into 2 shorter tests so you're not stuck in one long quiz.
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All 36 Alcohol and drugs questions with answers
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How soon can alcohol affect your brain after it is absorbed through the walls of the stomach?
- Within about ten minutes
- Within one minute
- Within thirty minutes
- Within one hour
Show answer
Correct answer: Within one minute
Alcohol can be absorbed through the walls of the stomach and can affect your brain within one minute.
Source: Montana Driver Manual (Revised April 2024), page 71
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According to the manual, which areas of your brain does alcohol affect?
- Only the areas that control hearing
- Only the areas that control vision
- The areas that control long-term memory
- The areas that control judgment and skill
Show answer
Correct answer: The areas that control judgment and skill
In your brain, alcohol affects those areas that control judgment and skill.
Source: Montana Driver Manual (Revised April 2024), page 71
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Why does the manual say good judgment matters when it comes to drinking?
- Judgment helps you know when to stop drinking
- Judgment keeps your blood alcohol level from rising
- Judgment makes alcohol leave your body faster
- Judgment lets you drive safely after two drinks
Show answer
Correct answer: Judgment helps you know when to stop drinking
Alcohol affects your judgment, and judgment is what helps you to know when to stop drinking.
Source: Montana Driver Manual (Revised April 2024), page 71
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Why are new drivers more affected by alcohol than experienced drivers?
- Because new drivers are usually lighter in weight
- Because new drivers drink faster than other people
- Because new drivers are still learning to drive
- Because new drivers have a lower legal limit
Show answer
Correct answer: Because new drivers are still learning to drive
New drivers are more affected by alcohol than experienced drivers because new drivers are still learning to drive.
Source: Montana Driver Manual (Revised April 2024), page 71
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What does alcohol do to your reflexes and reaction time?
- It sharpens them for a short time
- It slows them
- It has no effect until you feel drunk
- It speeds up your reflexes but slows your vision
Show answer
Correct answer: It slows them
Alcohol slows your reflexes and reaction time, reduces your ability to see clearly, and makes you less alert.
Source: Montana Driver Manual (Revised April 2024), page 71
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The average person’s body processes one alcoholic drink in about how long?
- About 30 minutes
- About one hour
- About two hours
- About three hours
Show answer
Correct answer: About one hour
The average person’s body will process one alcoholic drink in one hour.
Source: Montana Driver Manual (Revised April 2024), page 71
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What does the manual say about alcohol if you drink at a rate of one drink per hour?
- It can still accumulate in your body
- It is gone from your body before your next drink
- It cannot affect your driving
- It affects only your sense of hearing
Show answer
Correct answer: It can still accumulate in your body
Alcohol can still accumulate in your body even if you are drinking at a rate of one drink per hour.
Source: Montana Driver Manual (Revised April 2024), page 71
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According to the manual, how much 80-proof liquor equals one alcoholic drink?
- 2-1/2 ounces
- 1 ounce
- 1-1/2 ounces
- 3 ounces
Show answer
Correct answer: 1-1/2 ounces
One alcoholic drink is 1-1/2 ounces of 80-proof liquor (one shot glass), straight or with a mixer.
Source: Montana Driver Manual (Revised April 2024), page 71
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According to the manual, how much commercial beer equals one alcoholic drink?
- 8 ounces
- 12 ounces
- 16 ounces
- 20 ounces
Show answer
Correct answer: 12 ounces
One alcoholic drink is 12 ounces of commercial beer, such as a regular size can, bottle, mug, or glass.
Source: Montana Driver Manual (Revised April 2024), page 71
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According to the manual, how much wine equals one alcoholic drink?
- A 3-ounce glass
- An 8-ounce glass
- A 10-ounce glass
- A 5-ounce glass
Show answer
Correct answer: A 5-ounce glass
One alcoholic drink is a 5-ounce glass of wine.
Source: Montana Driver Manual (Revised April 2024), page 71
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What does the manual say about microbrews and craft beers compared with a 12-ounce commercial beer?
- They often contain more alcohol
- They always contain less alcohol
- They contain exactly the same amount of alcohol
- They do not count as alcoholic drinks
Show answer
Correct answer: They often contain more alcohol
Microbrews and craft beers often contain more alcohol than a 12-ounce commercial beer.
Source: Montana Driver Manual (Revised April 2024), page 71
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Which of these is named in the manual as a factor in how impaired a person becomes when drinking?
- A person's height
- The color of the vehicle driven
- A person's body weight
- The time of day the drinking began
Show answer
Correct answer: A person's body weight
The amount consumed, how fast it is consumed, a person's body weight, food intake, and general health all play a part in how impaired a person becomes.
Source: Montana Driver Manual (Revised April 2024), page 71
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What is the manual's best answer to when you can drive if you drink alcohol?
- Wait one hour after each drink
- If you drink alcohol, do not drive
- Drive only if you feel sober
- Drive only on roads you know well
Show answer
Correct answer: If you drink alcohol, do not drive
The best answer is: If you drink alcohol, do not drive.
Source: Montana Driver Manual (Revised April 2024), page 71
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What does the manual suggest you do to deal with social drinking situations?
- Eat a big meal before you start drinking
- Drink only beer or wine and avoid liquor
- Drink slowly and let a friend watch how much you have had
- Go with two or more people and agree that one of you will not drink
Show answer
Correct answer: Go with two or more people and agree that one of you will not drink
Arrange to go with two or more people and agree that one of you will not drink alcohol.
Source: Montana Driver Manual (Revised April 2024), page 71
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What is the minimum age to buy or consume alcohol according to the manual?
- 21 years of age
- 18 years of age
- 19 years of age
- 20 years of age
Show answer
Correct answer: 21 years of age
You are not allowed to buy or consume alcohol unless you are 21 years of age or older.
Source: Montana Driver Manual (Revised April 2024), page 72
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At what blood alcohol concentration (BAC) can you be arrested for driving, according to the manual?
- 0.10% or more
- 0.04% or more
- 0.08% or more
- 0.02% or more
Show answer
Correct answer: 0.08% or more
You can be arrested for driving with a blood alcohol concentration (BAC) of 0.08% or more, or while driving under the influence.
Source: Montana Driver Manual (Revised April 2024), page 72
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What is the BAC for a driver under 21 years of age, according to the manual?
- 0.04
- 0.02
- 0.08
- 0.10
Show answer
Correct answer: 0.02
The BAC for a driver under 21 years of age is 0.02.
Source: Montana Driver Manual (Revised April 2024), page 72
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What does the manual say BAC is?
- The number of drinks you had in one hour
- The weight of alcohol in your stomach
- The speed at which alcohol leaves your body
- The percentage of alcohol in your blood
Show answer
Correct answer: The percentage of alcohol in your blood
BAC is the percentage of alcohol in your blood, and is usually determined by a breath, blood, or urine test.
Source: Montana Driver Manual (Revised April 2024), page 72
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How is BAC usually determined, according to the manual?
- By a breath, blood, or urine test
- By a walking and turning test only
- By a written questionnaire
- By a doctor's visual examination only
Show answer
Correct answer: By a breath, blood, or urine test
BAC is the percentage of alcohol in your blood, and is usually determined by a breath, blood, or urine test.
Source: Montana Driver Manual (Revised April 2024), page 72
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What can happen to your driver license if you refuse to take a BAC test?
- Nothing happens if you pass a road test
- It is only marked with a warning
- You can lose it
- It is suspended only if you are under 21
Show answer
Correct answer: You can lose it
You can lose your driver license if you refuse to take a BAC test.
Source: Montana Driver Manual (Revised April 2024), page 72
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For a first conviction of an alcohol violation, how much will you be fined, plus court charges?
- From $50 to $100
- From $300 to $1000
- From $1000 to $5000
- From $150 to $500
Show answer
Correct answer: From $300 to $1000
For a first conviction of an alcohol violation, the fine is from $300 to $1000, plus court charges.
Source: Montana Driver Manual (Revised April 2024), page 72
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For a first conviction of an alcohol violation, how long a jail sentence could you receive?
- 1 to 10 days
- 6 months to a year
- 30 to 90 days
- 1 to 60 days
Show answer
Correct answer: 1 to 60 days
For a first conviction of an alcohol violation, you could be sentenced to 1 to 60 days in jail.
Source: Montana Driver Manual (Revised April 2024), page 72
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For a first conviction of an alcohol violation, how long will your license be suspended?
- Six months
- Thirty days
- One year
- Two years
Show answer
Correct answer: Six months
For a first conviction of an alcohol violation, your license will be suspended for six months.
Source: Montana Driver Manual (Revised April 2024), page 72
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Where may an open alcoholic beverage container be kept in a motor vehicle that has a trunk?
- On the front passenger seat
- In the cup holder next to the driver
- In the trunk or luggage compartment
- On the floor in front of the passenger seat
Show answer
Correct answer: In the trunk or luggage compartment
Open alcoholic beverage containers must be kept in a locked glove compartment or storage compartment, or in a trunk, luggage compartment, truck bed or cargo compartment.
Source: Montana Driver Manual (Revised April 2024), page 72
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Which of these is an exception to Montana's open container law?
- A container that has been resealed with its cap after being opened
- A container with an unbroken seal and none of the original contents removed
- A container that is less than half full and kept near the driver
- A container held by a back seat passenger who is over 21
Show answer
Correct answer: A container with an unbroken seal and none of the original contents removed
The open container law makes an exception for containers with an unbroken seal and none of the original contents removed.
Source: Montana Driver Manual (Revised April 2024), page 72
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Which of these is an exception to Montana's open container law?
- Passengers riding in a car driven by a friend or family member
- Passengers riding in the back seat of a pickup truck
- Passengers riding in a car that is parked at the roadside
- Passengers transported by a hired driver in a bus, taxi, or limousine
Show answer
Correct answer: Passengers transported by a hired driver in a bus, taxi, or limousine
The open container law makes an exception for passengers transported by a hired driver within a bus, taxi, or limousine.
Source: Montana Driver Manual (Revised April 2024), page 72
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Where may open containers be stored within the law in a camper, travel trailer or motor home?
- Within the living quarters
- Within the driver's compartment
- On the dashboard
- On the passenger seat beside the driver
Show answer
Correct answer: Within the living quarters
The open container law makes an exception for open containers stored within the living quarters of a camper, travel trailer or motor home.
Source: Montana Driver Manual (Revised April 2024), page 72
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If you suspect a person of driving while intoxicated, what does the "Report A Drunk Driver" program ask you to give law enforcement?
- The driver's name, date of birth and home address
- The names and addresses of everyone in the vehicle
- The vehicle's description and direction of travel
- A photograph of the driver taken from your car
Show answer
Correct answer: The vehicle's description and direction of travel
People who report a suspected drunk driver are asked to give a description of the vehicle and the direction in which it is traveling.
Source: Montana Driver Manual (Revised April 2024), page 72
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Under the "Report A Drunk Driver" program, are you required to give your name?
- Yes, you must give your full name
- No, you do not have to give your name
- Yes, but only if you are over 21
- Yes, but only if you saw a crash
Show answer
Correct answer: No, you do not have to give your name
You do not have to give your name.
Source: Montana Driver Manual (Revised April 2024), page 72
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What does a drug warning about operating heavy machinery mean for you?
- Drive only on roads you know well
- Drive only in the daytime
- Drive only for short distances
- Do not drive your car or truck
Show answer
Correct answer: Do not drive your car or truck
Drug warnings about operating heavy machinery mean DO NOT DRIVE YOUR CAR OR TRUCK.
Source: Montana Driver Manual (Revised April 2024), page 73
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What does the manual say about drinking alcohol while taking other drugs?
- The drugs could multiply the effects of alcohol
- Alcohol cancels out the effects of the drugs
- Alcohol makes drugs safe to take before driving
- It is safe if you drink only one alcoholic beverage
Show answer
Correct answer: The drugs could multiply the effects of alcohol
Never drink alcohol while you are taking other drugs. The drugs could multiply the effects of alcohol or have additional side effects of their own.
Source: Montana Driver Manual (Revised April 2024), page 73
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What does the manual say about pep pills, "uppers," and diet pills?
- They are safe to take before driving because they improve alertness for hours
- They make you drowsy right away but improve your night vision later
- They can make you feel more alert for a short time, but later make you nervous and dizzy
- They have no effect on your driving if they were bought without a prescription
Show answer
Correct answer: They can make you feel more alert for a short time, but later make you nervous and dizzy
Pep pills, uppers, and diet pills can feel like they make a driver more alert for a short time, but later can cause a person to be nervous, dizzy, and unable to concentrate.
Source: Montana Driver Manual (Revised April 2024), page 73
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What does the manual say about drugs taken for headaches, colds, hay fever or other allergies, or to calm nerves?
- They have no effect on driving because they are sold without a prescription
- They can make a person drowsy and affect their driving
- They always make a driver more alert
- They are safe to take with alcohol
Show answer
Correct answer: They can make a person drowsy and affect their driving
Drugs taken for headaches, colds, hay fever or other allergies, or to calm nerves can make a person drowsy and affect their driving.
Source: Montana Driver Manual (Revised April 2024), page 73
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What should you do if you are not sure it is safe to take a drug and drive?
- Wait one hour after taking it before you drive
- Take half the usual amount
- Drive only in the daytime
- Ask your doctor or pharmacist about any side effects
Show answer
Correct answer: Ask your doctor or pharmacist about any side effects
If you are not sure if it is safe to take the drug and drive, ask your doctor or pharmacist about any side effects.
Source: Montana Driver Manual (Revised April 2024), page 73
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What do studies show about people who use marijuana, even with a prescription?
- They make more mistakes and have slower reflexes
- They have faster reflexes at night
- They have less trouble with glare
- They get arrested for traffic violations less often
Show answer
Correct answer: They make more mistakes and have slower reflexes
Studies have shown that people who use marijuana, even with a prescription, make more mistakes, have slower reflexes, have more trouble adjusting to glare, and get arrested for traffic violations more than other drivers.
Source: Montana Driver Manual (Revised April 2024), page 73
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What does the manual say about medical marijuana and driving?
- It has no effect on your driving because a doctor prescribed it for you
- It affects only your hearing, and never your judgment or your vision
- It can affect your reflexes, judgment, vision, and alertness in ways similar to alcohol
- It affects your driving only if you take it together with alcohol or a sleeping pill
Show answer
Correct answer: It can affect your reflexes, judgment, vision, and alertness in ways similar to alcohol
Other prescription drugs, including medical marijuana, can affect your reflexes, judgment, vision, and alertness in ways similar to alcohol.
Source: Montana Driver Manual (Revised April 2024), page 73