Washington State Knowledge Test Alcohol, Drugs, and Driving

Question 1

How does alcohol affect a driver's reaction time in Washington?

Accepted Answer

It slows reaction time significantly

Answer

Alcohol slows reaction time even at low blood alcohol concentrations, increasing the distance traveled before a driver responds to a hazard.

Question 2

Which of the following is the only way to sober up after drinking alcohol?

Accepted Answer

Time

Answer

Only time allows the body to metabolize alcohol; coffee, food, and exercise do not speed up the process.

Question 3

In Washington, refusing a breath test after a DUI arrest results in:

Accepted Answer

Automatic license revocation for at least one year

Answer

Under Washington's implied consent law, refusing a breath or blood test after a DUI arrest results in an automatic license revocation of at least one year.

Question 4

What effect does marijuana have on driving ability in Washington?

Accepted Answer

It impairs judgment, coordination, and reaction time

Answer

Marijuana impairs judgment, slows reaction time, and affects coordination, making driving dangerous regardless of the legal status of the substance.

Question 5

Washington's THC legal limit for drivers 21 and older is:

Accepted Answer

5 ng/mL

Answer

Washington State sets a legal THC per se limit of 5 nanograms per milliliter of blood for drivers 21 and older.

Washington State Knowledge Test Practice Test

Washington State Knowledge Test Practice Test

Washington State Knowledge Test Alcohol, Drugs, and Driving