Washington State Knowledge Test Alcohol, Drugs, and Driving 3 — Questions and Answers
Question 1: How does fatigue affect driving in ways similar to alcohol?
- It only affects night drivers
- It impairs judgment, slows reaction time, and reduces attention (Correct answer)
- It primarily affects new drivers
- It has no effect unless combined with other substances
Correct answer: It impairs judgment, slows reaction time, and reduces attention
Driving fatigued mimics many effects of alcohol impairment, including reduced reaction time, poor judgment, and decreased awareness.
Question 2: In Washington, a DUI conviction for a commercial driver can result in:
- A 6-month commercial license suspension for a first offense
- Disqualification from a commercial license for at least one year (Correct answer)
- A fine only, with the commercial license retained
- Transfer to a non-commercial license temporarily
Correct answer: Disqualification from a commercial license for at least one year
A first DUI conviction disqualifies a commercial driver from holding a commercial driver's license for at least one year in Washington.
Question 3: Over-the-counter antihistamines can affect driving by causing:
- Improved alertness and faster reactions
- Drowsiness that impairs driving ability (Correct answer)
- Better night vision
- No significant impairment at recommended doses
Correct answer: Drowsiness that impairs driving ability
Many over-the-counter antihistamines cause drowsiness that can significantly impair driving ability, even at recommended doses.
Question 4: What does 'per se DUI' mean under Washington law?
- DUI without an accident
- DUI based solely on BAC or THC level exceeding the legal limit (Correct answer)
- DUI involving a minor passenger
- DUI based only on officer observation without chemical testing
Correct answer: DUI based solely on BAC or THC level exceeding the legal limit
Per se DUI means that exceeding the legal BAC or THC limit is itself sufficient proof of impairment, regardless of how the driver appeared or behaved.
Question 5: In Washington, drinking and driving with a child under 16 in the vehicle is:
- A regular DUI charge only
- An aggravated DUI with enhanced penalties (Correct answer)
- Only charged if the BAC exceeds 0.10%
- A separate child endangerment charge, not a DUI
Correct answer: An aggravated DUI with enhanced penalties
DUI with a minor under 16 in the vehicle is an aggravated circumstance in Washington that carries enhanced penalties.
Question 6: What is the best strategy to avoid driving impaired in Washington?
- Drive slowly and stay on back roads
- Plan a designated driver or use a rideshare service before drinking (Correct answer)
- Wait one hour per drink before driving
- Eat a large meal before consuming alcohol
Correct answer: Plan a designated driver or use a rideshare service before drinking
Planning a designated driver or using a rideshare service before drinking is the safest and most reliable way to avoid impaired driving.
How does fatigue affect driving in ways similar to alcohol?