Louisiana Permit Test: Alcohol & Drugs Practice Questions

Correct answer: .08

Louisiana's limits: .04 for commercial vehicles, .08 at 21 or older, .02 at 20 and younger.

Source: Chapter 9: Driving Offenses – Blood Alcohol Concentration

Correct answer: .02

Drivers 20 and younger have a .02 BAC limit.

Source: Chapter 9: Driving Offenses – Blood Alcohol Concentration

Correct answer: .04

The legal limit is .04 when operating a commercial motor vehicle.

Source: Chapter 9: Driving Offenses – Blood Alcohol Concentration

Correct answer: About an hour

It takes about an hour to clear one normal drink; after four drinks, wait four hours or more to drive.

Source: Chapter 9: Driving Offenses – Blood Alcohol Concentration

Correct answer: 0.015% per hour

The body processes about 0.015% of alcohol per hour; a 0.20% BAC at 2 a.m. is still over 0.10% at 8 a.m.

Source: Chapter 9: Driving Offenses – Blood Alcohol Concentration

Correct answer: Possessing or drinking from an open container

The law prohibits both possessing any open alcoholic beverage container and drinking any alcohol in a vehicle.

Source: Chapter 9: Driving Offenses – Blood Alcohol Concentration

Correct answer: One year (365 days)

First DWI maximum: six months in jail, $1,025 fine plus costs, and loss of license for 1 year.

Source: Chapter 9: Driving Offenses – Penalty for Driving While Intoxicated (DWI)

Correct answer: A felony record

A third DWI brings a felony record, 1–5 years in prison and a three-year license loss.

Source: Chapter 9: Driving Offenses – Penalty for Driving While Intoxicated (DWI)

Correct answer: Three years

Proof of future financial responsibility must be filed and maintained for three years from the date of conviction.

Source: Chapter 9: Driving Offenses – Penalty for Driving While Intoxicated (DWI)

Correct answer: Five to six hours

It takes five to six hours for the effects of one marijuana cigarette to wear off.

Source: Chapter 9: Driving Offenses – Penalty for Driving While Intoxicated (DWI)

Correct answer: Same as for alcohol

Louisiana provides the same penalty for driving under the influence of drugs as for alcohol, including OTC and prescribed medication.

Source: Chapter 9: Driving Offenses – Penalty for Driving While Intoxicated (DWI)

Correct answer: 365 days

Refusal brings a 365-day suspension for a first offense and 730 days for a second or later, plus an SR-22.

Source: Chapter 9: Driving Offenses – Administrative Per Se (Submit or Refuse Alcohol Analysis Test)

Correct answer: 180 days

A BAC of 0.08% to 0.149% at 21+ means a 180-day suspension; 0.15% or more means two years.

Source: Chapter 9: Driving Offenses – Administrative Per Se (Submit or Refuse Alcohol Analysis Test)

Correct answer: Two years (730 days)

A BAC of 0.15% or greater brings a two-year (730-day) suspension.

Source: Chapter 9: Driving Offenses – Administrative Per Se (Submit or Refuse Alcohol Analysis Test)

Correct answer: 180 days

Under 21 with a BAC of 0.02% or more, privileges are suspended for 180 days.

Source: Chapter 9: Driving Offenses – Administrative Per Se (Submit or Refuse Alcohol Analysis Test)