Alcohol & Drugs Practice Test – californiadrivingtest.org

Watch the lesson

Test your knowledge of California alcohol and drug laws with this free practice quiz.

Alcohol & Drugs — Quick Practice

1 / 15

Operating a commercial motor vehicle with a minimum blood alcohol content (BAC) of ____ is illegal.

0.04 percent

0.08 percent

0.02 percent

2 / 15

You may not consume alcohol within ____ of going on duty.

One hour

Four hours

Two hours

3 / 15

For drivers under 21, California’s zero-tolerance BAC level is:

0.05% or higher

0.01% or higher

0.08% or higher

4 / 15

Which of the following does alcohol affect?

Judgment of distances

Reaction time

All of these choices

5 / 15

If you have only one drink before riding:

It can affect your ability to operate a motorcycle.

Your riding skills will not be affected.

You cannot be arrested for drinking and riding.

6 / 15

Which of the following does not happen after drinking?

Your judgment of speed and distance is distorted

You calm down so you can concentrate

Your reflexes and reaction time slow down

7 / 15

A person may legally ride in the back of a pickup truck when:

In a secured seat and while using an approved safety belt.

The back of the pickup is covered with a camper shell.

The sides of the pickup bed are at least 24 inches high.

8 / 15

What does alcohol do to your driving skills and judgment?

It has no effect on either driving skills or judgment

It harms both driving skills and judgment

It helps driving skills but harms your judgment

9 / 15

Safely backing your vehicle requires all of the following, except:

Tapping your horn before you back up.

Checking your vehicle's surroundings.

Looking over your right shoulder as you back up.

10 / 15

Which serving contains approximately the same amount of alcohol as a 12-ounce regular beer?

A pint of distilled spirits

A six-pack of beer

A 5-ounce glass of wine

11 / 15

As alcohol builds up in your blood, it:

Slows down your reactions

Makes you feel less confident

Begins to metabolize itself more quickly

12 / 15

A chemical test is used to measure:

Reaction time

Driving ability

Blood alcohol content

13 / 15

Driving with a minimum blood alcohol concentration (BAC) of ____ will result in license suspension for at least one year.

0.04 percent

0.1 percent

0.08 percent

14 / 15

A medicine label warns that it causes drowsiness. Before driving, you should:

Drink coffee and ignore the warning

Learn its effects and avoid driving if impaired

Take twice the dose at night

15 / 15

While inspecting coupling, you should go under the trailer and:

Detach the jaws from around the kingpin.

Make sure the locking lever is in the "emergency" position.

Look into the back of the fifth wheel.

Your score is

The average score is 0%

Study first: flip through the Alcohol & Drugs flashcards →