LLR Impaired and Distracted Driving 1 — Questions and Answers
Question 1: What does BAC stand for in relation to impaired driving?
- Basic Acceleration Capacity
- Blood Alcohol Concentration (Correct answer)
- Brake Action Control
- Breathalyzer Accuracy Check
Correct answer: Blood Alcohol Concentration
BAC stands for Blood Alcohol Concentration, which measures the percentage of alcohol in a person's bloodstream.
Question 2: In the US, the legal BAC limit for non-commercial drivers 21 and older is:
- 0.05%
- 0.08% (Correct answer)
- 0.10%
- 0.12%
Correct answer: 0.08%
The legal BAC limit for non-commercial adult drivers in all 50 US states is 0.08%, above which driving is illegal.
Question 3: For drivers under 21, most states enforce a BAC limit of:
- 0.08%
- 0.04%
- 0.02% (Correct answer)
- 0.00%
Correct answer: 0.02%
Most states have a zero-tolerance BAC limit of 0.02% or lower for drivers under 21, reflecting stricter standards for underage drivers.
Question 4: Which factor does NOT affect how alcohol impairs driving ability?
- Body weight
- Amount of food eaten
- Color of the driver's eyes (Correct answer)
- Number of drinks consumed
Correct answer: Color of the driver's eyes
Eye color has no effect on alcohol metabolism or impairment; body weight, food intake, and amount consumed are real factors.
Question 5: Using a hand-held cell phone while driving is:
- Legal if you are stopped at a red light
- Illegal in most US states while the vehicle is in motion (Correct answer)
- Only illegal for teen drivers
- Legal if you are on a hands-free mount
Correct answer: Illegal in most US states while the vehicle is in motion
Most US states prohibit hand-held cell phone use while driving a moving vehicle, as it significantly increases crash risk.
Question 6: Texting while driving increases crash risk by approximately:
- 2 times
- 4 times
- 10 times
- 23 times (Correct answer)
Correct answer: 23 times
Research shows that texting while driving increases crash risk by approximately 23 times compared to driving without distractions.
What does BAC stand for in relation to impaired driving?