It is illegal for a person 21 years of age or older to operate a vehicle with a blood alcohol concentration (BAC) of _____ or higher.
|
0.10%
|
|
|
0.08%
|
|
|
0.05%
|
|
|
0.03%
|
Explanation
It is illegal for any person 21 years of age or older to operate a vehicle with a blood alcohol concentration (BAC) of 0.08% or higher. Alcohol impairs a person's ability to safely operate a vehicle, so the legal limit of 0.08% or higher is set to ensure that all drivers are not impaired while operating a vehicle.
Answer Statistics
🟡 This question is moderately difficult — 21.8% of our users answer it incorrectly.
Other questions in the same category: Alcohol and Drug Effects on Driving
A DUI conviction will remain on your driving record for:You've had a few drinks at a party. You should:What is a likely effect when you take another drug while you drink alcohol?Drivers over the age of 21 are considered to be driving under the influence if their blood alcohol concentration (BAC) is:For drivers under the age of 21, a first conviction for driving under the influence (DUI) at any blood alcohol concentration level will result in:You are convicted of Driving While Ability Impaired as a first offense. Which of the following potential consequences do you face?Driving while under the influence of alcohol carries:Drinking coffee after drinking alcohol:According to the Iowa Implied Consent Law for both resident and non-resident drivers:The effects of alcohol are influenced by:
This question appears in the following DMV practice tests: