Alcohol, Drugs & Impairment

Study questions with answers

12 sample Alcohol, Drugs & Impairment questions with the correct answer, a short explanation, and the official handbook reference. Read through them, then take the quiz above.

1. 1. One way to keep a friend from riding after drinking too much is to:

   Correct answer: Arrange a safe alternative ride home for them

   Suggested steps include arranging a safe ride, slowing their drinking, keeping them there with food and coffee, or taking their key.

   Source: Alabama Motorcycle Operator Manual - Step in to Protect a Friend

2. 2. How does alcohol reach the brain so quickly after it is consumed?

   Correct answer: It enters the bloodstream without needing digestion

   Unlike most foods, alcohol does not need to be digested; it enters the bloodstream and reaches the brain within minutes.

   Source: Alabama Motorcycle Operator Manual - Alcohol in the Body

3. 3. When cannabis is smoked, how long do its effects generally last?

   Correct answer: About 2 to 4 hours

   Smoked cannabis produces effects that begin within minutes and generally last from about two to four hours.

   Source: Alabama Motorcycle Operator Manual - Cannabis and Motorcycle Operation

4. 4. In most states, at what blood alcohol concentration is an adult considered legally intoxicated?

   Correct answer: 0.08%

   Across every state except one, a BAC that reaches 0.08 percent marks an adult as legally intoxicated, while Utah sets the line at 0.05 percent.

   Source: Alabama Motorcycle Operator Manual - Alcohol and the Law

5. 5. To keep fatigue in check, seasoned riders rarely attempt more than roughly how many hours of riding per day?

   Correct answer: About 6 hours

   The manual notes that experienced riders rarely attempt more than about six hours of riding in a day.

   Source: Alabama Motorcycle Operator Manual - Fatigue

6. 6. The manual notes that even one drink can affect riding. What does this tell a rider about 'moderate' drinking before riding?

   Correct answer: A rider may not notice how much their skills have declined

   Because judgment is impaired early, a rider may not realize how much their skills have suffered even after drinking in moderation.

   Source: Alabama Motorcycle Operator Manual - Minimize the Risks

7. 7. How often does the manual recommend stopping and getting off the motorcycle to reduce fatigue?

   Correct answer: At least every two hours

   The advice is to pause and dismount from the bike no less than once every couple of hours.

   Source: Alabama Motorcycle Operator Manual - Fatigue

8. 8. Which three factors are described as the primary ones determining a person's blood alcohol concentration?

   Correct answer: Amount consumed, how fast you drink, and body weight

   The three primary factors are the amount of alcohol consumed, how fast it is consumed, and the person's body weight.

   Source: Alabama Motorcycle Operator Manual - Blood Alcohol Concentration

9. 9. If a rider has had too much to drink and cannot ride safely, the manual suggests they should:

   Correct answer: Leave the motorcycle and find another way home

   If drinking was not controlled, avoid riding by leaving the motorcycle behind and arranging another way home, or waiting until the alcohol is gone.

   Source: Alabama Motorcycle Operator Manual - Minimize the Risks

10. 10. Which ability does alcohol tend to impair first in a rider?

    Correct answer: Judgment and the ability to assess your own riding

    Alcohol first affects judgment, so a rider may believe they are riding well while actually performing worse.

    Source: Alabama Motorcycle Operator Manual - Minimize the Risks

11. 11. According to the manual, how do the combined effects of alcohol and other drugs compare with either one alone?

    Correct answer: They are more dangerous than either alone

    Mixing alcohol with other drugs produces effects that are riskier than what either one causes on its own.

    Source: Alabama Motorcycle Operator Manual - Alcohol and Drugs in Motorcycle Operation

12. 12. About how quickly does the body eliminate alcohol, according to the manual?

    Correct answer: About one drink per hour

    Alcohol is generally removed from the body at a rate of roughly one drink per hour.

    Source: Alabama Motorcycle Operator Manual - Alcohol in the Body