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Alcohol & Drugs

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 · July 7, 2026

14 questions · pass with 11 correct. You get instant feedback and an explanation after every answer.

Study questions with answers

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.

  1. 1. Under the Implied Consent Law, a driver arrested for DUI who refuses a chemical test will:

    Correct answer: Have their driver license suspended

    Anyone driving on public highways is deemed to consent to testing; refusing after a DUI arrest results in a license suspension.

    Source: Alabama Driver Manual — Chapter 4, Implied Consent Law

  2. 2. According to the manual, at a blood alcohol concentration of 0.08 percent, drivers are:

    Correct answer: Definitely impaired without exception

    At 0.08 percent, all individuals are definitely impaired.

    Source: Alabama Driver Manual — Chapter 4, Relationship of Alcohol to Traffic Accidents

  3. 3. A small amount of alcohol will affect a driver more strongly when it is consumed:

    Correct answer: On an empty stomach

    Alcohol affects you more on an empty stomach than when you have food in your stomach.

    Source: Alabama Driver Manual — Chapter 4, Driving While Under the Influence

  4. 4. Some over-the-counter allergy and cold remedies can be dangerous for drivers because antihistamines may cause:

    Correct answer: Drowsiness and confusion

    Antihistamines can produce side effects such as inattention, confusion, and drowsiness that impair driving.

    Source: Alabama Driver Manual — Chapter 4, Drugs

  5. 5. For a driver under 21 years old, it is illegal to drive with a blood alcohol concentration of:

    Correct answer: 0.02 percent or more

    Drivers younger than 21 are prohibited from operating a vehicle at a BAC of 0.02 percent or higher.

    Source: Alabama Driver Manual — Chapter 4, Driving While Under the Influence

  6. 6. For an adult driver, it is unlawful to operate a vehicle with a blood alcohol concentration of:

    Correct answer: 0.08 percent or more

    Under Alabama law it is illegal to drive with a BAC of 0.08 percent or more.

    Source: Alabama Driver Manual — Chapter 4, Driving While Under the Influence

  7. 7. The penalty for a first DUI conviction includes a fine in the range of:

    Correct answer: $600 to $2,100

    A first DUI conviction carries a fine of $600 to $2,100, along with possible jail and license suspension.

    Source: Alabama Driver Manual — Chapter 4, Driving While Under the Influence

  8. 8. The only thing that will truly sober up a person who has been drinking is:

    Correct answer: Allowing enough time to pass

    Only time allows the liver to break down alcohol; coffee, food, or a cold shower will not speed the process.

    Source: Alabama Driver Manual — Chapter 4, Driving While Under the Influence

  9. 9. Alcohol acts on the body as a:

    Correct answer: Depressant that slows reflexes and judgment

    Alcohol is a depressant that slows reflexes and interferes with judgment, not a stimulant.

    Source: Alabama Driver Manual — Chapter 4, The Effects of Alcohol

  10. 10. In addition to fines and possible jail, a first DUI conviction results in a driver license suspension of:

    Correct answer: 90 days

    For a first DUI conviction the driver license is suspended for 90 days.

    Source: Alabama Driver Manual — Chapter 4, Driving While Under the Influence

  11. 11. Compared with using either one by itself, combining alcohol with other drugs is:

    Correct answer: Far more dangerous than either alone

    Using alcohol and drugs together multiplies the effects and is many times more dangerous than either alone.

    Source: Alabama Driver Manual — Chapter 4, Drugs

  12. 12. Research cited in the manual shows that driving ability is impaired in most people at a blood alcohol level of about:

    Correct answer: 0.05 percent

    Studies show a BAC of 0.05 percent already impairs the driving ability of most individuals to some degree.

    Source: Alabama Driver Manual — Chapter 4, Relationship of Alcohol to Traffic Accidents

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Every Alabama question is written from the official Alabama 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