Louisiana Car / Permit: Alcohol & Drugs Practice Test

Question 1

A driver submits to the test and, being over 21, registers a BAC of 0.08% to 0.149%. What is the suspension on a first offense?

Accepted Answer

180 days — Submitting to the test with a result of 0.08 to 0.149 percent for a driver 21 or older leads to a 180-day suspension of driving privileges.

Answer

365 days

Answer

30 days

Answer

730 days

Question 2

Why is combining marijuana with alcohol described as especially dangerous?

Accepted Answer

Its effects last far longer than those of one drink — The effects of one marijuana cigarette can take five to six hours to wear off, far longer than a single drink, making the mix particularly hazardous.

Answer

Marijuana cancels out the effects of the alcohol

Answer

Marijuana has no effect on judgment or vision

Answer

The combination wears off within twenty minutes

Question 3

If you refuse to take the alcohol analysis test on a first offense, what happens to your driving privileges?

Accepted Answer

Suspension for 365 days — A first refusal results in a suspension of driving privileges for 365 days.

Answer

Suspension for 30 days

Answer

Suspension for 90 days

Answer

Suspension for 180 days

Question 4

In Louisiana, what is the illegal blood alcohol concentration for a driver who is 21 or older?

Accepted Answer

0.08 percent — For drivers 21 and older, the legal limit is a BAC of 0.08 percent.

Answer

0.04 percent

Answer

0.02 percent

Answer

0.10 percent

Question 5

If you spot what appears to be a drunk driver on the road, what is the safest thing to do?

Accepted Answer

Stay well back and call 911 once safely stopped — Stay as far away as possible, note the plate and vehicle details if you safely can, then pull over and call 911.

Answer

Pull alongside and signal them to pull over

Answer

Follow closely to keep them in view

Answer

Flash your lights repeatedly to get them to stop

Question 6

By driving on Louisiana highways, what have you legally agreed to under the implied consent law?

Accepted Answer

To testing for alcohol or drugs when lawfully requested — Implied consent means you have agreed to a test to determine the alcohol content of your blood or the presence of controlled substances.

Answer

To waive the right to consult a lawyer entirely

Answer

To pay any fine before a trial takes place

Answer

To surrender your vehicle at any traffic stop

Question 7

Which statement about how alcohol affects the body is accurate?

Accepted Answer

Alcohol is a depressant that slows reflexes and judgment — Alcohol is a depressant, not a stimulant; it slows reflexes, clouds judgment, reduces alertness, and impairs vision.

Answer

Alcohol is a stimulant that sharpens reaction time

Answer

Alcohol improves your ability to judge distances

Answer

Alcohol only affects you if you drink hard liquor

Question 8

What is the legal BAC limit when operating a commercial motor vehicle in Louisiana?

Accepted Answer

0.04 percent — The limit for operating a commercial vehicle is a BAC of 0.04 percent, lower than the 0.08 limit for ordinary drivers.

Answer

0.08 percent

Answer

0.10 percent

Answer

0.02 percent

Question 9

What is the legal BAC limit for a driver who is 20 years of age or younger?

Accepted Answer

0.02 percent — Drivers 20 and under reach the legal limit at a BAC of just 0.02 percent.

Answer

0.05 percent

Answer

0.08 percent

Answer

0.04 percent

Question 10

Once alcohol is in your bloodstream, what will help you sober up faster?

Accepted Answer

Only the passage of time — Nothing speeds it up; black coffee, a cold shower, or exercise will not sober you up because only time lets the liver process the alcohol.

Answer

Taking a cold shower

Answer

Getting some vigorous exercise

Answer

Drinking several cups of black coffee

Question 11

How long after drinking does alcohol typically reach the brain, where it affects judgment and skill?

Accepted Answer

In about 20 minutes — Alcohol enters the bloodstream from the stomach and reaches the brain in about 20 minutes, affecting the areas that control judgment and skill.

Answer

Only after several hours

Answer

In about two hours

Answer

Almost instantly, within seconds

Question 12

Roughly how much alcohol can the body eliminate in one hour?

Accepted Answer

About 0.015 percent per hour — The body processes about 0.015 percent of alcohol per hour, so the effects wear off only gradually.

Answer

About 0.08 percent per hour

Answer

About 0.10 percent per hour

Answer

The full amount within twenty minutes

Alcohol & Drugs

Study questions with answers

1. A driver submits to the test and, being over 21, registers a BAC of 0.08% to 0.149%. What is the suspension on a first offense?

2. Why is combining marijuana with alcohol described as especially dangerous?

3. If you refuse to take the alcohol analysis test on a first offense, what happens to your driving privileges?

4. In Louisiana, what is the illegal blood alcohol concentration for a driver who is 21 or older?

5. If you spot what appears to be a drunk driver on the road, what is the safest thing to do?

6. By driving on Louisiana highways, what have you legally agreed to under the implied consent law?

7. Which statement about how alcohol affects the body is accurate?

8. What is the legal BAC limit when operating a commercial motor vehicle in Louisiana?

9. What is the legal BAC limit for a driver who is 20 years of age or younger?

10. Once alcohol is in your bloodstream, what will help you sober up faster?

11. How long after drinking does alcohol typically reach the brain, where it affects judgment and skill?

12. Roughly how much alcohol can the body eliminate in one hour?

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