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. About how quickly can the body eliminate alcohol?

   Correct answer: About one drink per hour

   There are no shortcuts; the body processes only about one drink an hour, and only time actually removes alcohol.

   Source: Oregon Motorcycle & Moped Manual, Section Two - Don't Drink and Ride

2. 2. Among a rider's core responsibilities is to always:

   Correct answer: Ride free of alcohol and drugs

   Rider responsibilities include always riding alcohol- and drug-free and always wearing protective gear.

   Source: Oregon Motorcycle & Moped Manual, Section Five - Rider Responsibilities

3. 3. Combining alcohol with other drugs can:

   Correct answer: Multiply the effects or add new ones

   Never drink while taking other drugs; they can multiply alcohol's effects or add effects of their own, even causing serious harm.

   Source: Oregon Motorcycle & Moped Manual, Section Two - Other Impairing Drugs and Riding

4. 4. Prescription and over-the-counter drugs:

   Correct answer: May affect your ability to ride safely

   A broad mix of prescribed medicines, over-the-counter products, and illegal drugs can undermine safe riding; ask your doctor or pharmacist about the side effects.

   Source: Oregon Motorcycle & Moped Manual, Section Two - Other Impairing Drugs and Riding

5. 5. Alcohol and other impairing drugs affect the part of the brain that controls:

   Correct answer: Judgment

   Alcohol and other impairing drugs affect the brain areas that control judgment, hurting your decisions in traffic.

   Source: Oregon Motorcycle & Moped Manual, Section Two - Effects of Alcohol and other Impairing Drugs

6. 6. In Oregon during 2022, what share of riders killed in motorcycle crashes had been drinking?

   Correct answer: 63 percent

   Studies show 63 percent of Oregon riders killed in motorcycle crashes in 2022 had been drinking.

   Source: Oregon Motorcycle & Moped Manual, Section Two - Factors Affecting Rider Performance

7. 7. Which of these actually removes alcohol from your body faster?

   Correct answer: None of these; only the passage of time works

   Cold showers, coffee, and exercise do not speed the removal of alcohol; the only proven remedy is time.

   Source: Oregon Motorcycle & Moped Manual, Section Two - Don't Drink and Ride

8. 8. Alcohol and certain drugs can affect your eyes by:

   Correct answer: Blurring vision and causing double vision

   Drinking and certain drugs may fog your sight, make focusing harder, and produce double images.

   Source: Oregon Motorcycle & Moped Manual, Section Two - Effects of Alcohol and other Impairing Drugs

9. 9. If you plan to drink, the responsible choice is to:

   Correct answer: Leave the motorcycle home and arrange another ride

   Planning to drink means leaving the bike at home or stored securely and getting home another way, perhaps by cab or a sober driver.

   Source: Oregon Motorcycle & Moped Manual, Section Two - Don't Drink and Ride

10. 10. One effect of alcohol and impairing drugs on a rider is:

    Correct answer: Slower processing and reaction time

    Alcohol and other impairing drugs slow how you process information and hurt your ability to react quickly.

    Source: Oregon Motorcycle & Moped Manual, Section Two - Effects of Alcohol and other Impairing Drugs

11. 11. Marijuana and other cannabis products can:

    Correct answer: Slow reaction time and distort perception of time and distance

    Cannabis slows reaction time, hurts concentration, and distorts your perception of time and distance, especially when facing the unexpected.

    Source: Oregon Motorcycle & Moped Manual, Section Two - Other Impairing Drugs and Riding

12. 12. According to the manual, your ability to ride safely can be affected by:

    Correct answer: As little as one drink

    Even a single drink can dull clear thinking and safe control of the bike.

    Source: Oregon Motorcycle & Moped Manual, Section Two - Don't Drink and Ride