OMV OMV DUI and Impaired Driving Laws 1 — Questions and Answers
Question 1: What is the legal blood alcohol concentration (BAC) limit for non-commercial drivers aged 21 and older in the US?
- 0.05%
- 0.08% (Correct answer)
- 0.10%
- 0.12%
Correct answer: 0.08%
The legal BAC limit for non-commercial drivers 21 and older in the United States is 0.08%.
Question 2: What is the legal BAC limit for drivers under 21 years old under zero-tolerance laws?
- 0.08%
- 0.04%
- 0.02% or lower (Correct answer)
- 0.00%
Correct answer: 0.02% or lower
Most states enforce zero-tolerance laws setting the BAC limit at 0.02% or lower for drivers under 21.
Question 3: Refusing a breathalyzer or chemical test when lawfully requested by a police officer will result in:
- No penalty if you are found sober later
- Automatic license suspension under implied consent laws (Correct answer)
- A warning only for first offense
- A civil fine but no license action
Correct answer: Automatic license suspension under implied consent laws
Under implied consent laws, refusing a chemical test results in automatic administrative license suspension.
Question 4: Which of the following statements about alcohol and driving is TRUE?
- Coffee sobers you up faster
- Cold air reduces impairment
- Only time reduces BAC (Correct answer)
- Eating a large meal cancels alcohol effects
Correct answer: Only time reduces BAC
Only time allows the body to metabolize alcohol and reduce BAC — no other method speeds up the process.
Question 5: A DUI conviction can result in which of the following penalties?
- Only a fine
- License suspension, fines, and possible jail time (Correct answer)
- Points on your license only
- A warning for first offenders
Correct answer: License suspension, fines, and possible jail time
A DUI conviction typically results in license suspension, significant fines, and potentially jail time even for first offenders.
Question 6: Which of the following drugs, besides alcohol, can result in a DUI charge?
- Prescription medications only
- Marijuana only
- Illegal drugs only
- Any substance that impairs driving ability (Correct answer)
Correct answer: Any substance that impairs driving ability
A DUI charge can result from driving impaired by any substance, including prescription drugs, marijuana, or illegal drugs.
What is the legal blood alcohol concentration (BAC) limit for non-commercial drivers aged 21 and older in the US?