Tennessee Permit Test: Alcohol & Drugs Practice Questions

Correct answer: 25 percent

By law, at least 25 percent of the questions on the Tennessee knowledge test must deal with driving under the influence of drugs or alcohol.

Source: Section B-7: Alcohol, Other Drugs and Driving

Correct answer: .08 percent or higher

In Tennessee, .08 BAC is the level of intoxication that is always illegal; you can still be convicted at lower levels if impaired.

Source: Section B-7: Alcohol, Other Drugs and Driving

Correct answer: Yes, if impaired by drugs

A driver can register .00 BAC and still be convicted of DUI if drugs, including prescription drugs, impair their driving; a BAC below .08 does not clear a driver.

Source: Section B-7: Alcohol, Other Drugs and Driving

Correct answer: About one drink

The liver can oxidize only about one drink per hour, and nothing such as coffee, exercise or a cold shower speeds this up; only time sobers you.

Source: Section B-7: Alcohol, Other Drugs and Driving

Correct answer: No, only time can

The rate at which the liver removes alcohol cannot be increased by coffee, exercise, a cold shower or anything else; only time sobers a person.

Source: Section B-7: Alcohol, Other Drugs and Driving

Correct answer: Within one to two minutes

Alcohol begins to be absorbed into the bloodstream within one to two minutes after a drink.

Source: Section B-7: Alcohol, Other Drugs and Driving

Correct answer: It slows how fast alcohol is absorbed

All the alcohol eventually reaches the blood whether you eat or not, but food slows its absorption and the rate of intoxication.

Source: Section B-7: Alcohol, Other Drugs and Driving

Correct answer: The one with more body fat

Alcohol is absorbed in water, not fat, so drink for drink at the same weight, the person with more body fat shows intoxication first.

Source: Section B-7: Alcohol, Other Drugs and Driving

Correct answer: About the same

The alcohol in one 12-ounce beer is about equal to that in a 1-ounce shot of whiskey.

Source: Section B-7: Alcohol, Other Drugs and Driving

Correct answer: Judgment

Judgment is the first thing affected by alcohol, and with vision it is one of the two abilities most important to driving.

Source: Section B-7: Alcohol, Other Drugs and Driving

Correct answer: A depressant at any concentration

Alcohol in any concentration is a depressant; the false feeling of stimulation comes from lowered inhibitions.

Source: Section B-7: Alcohol, Other Drugs and Driving

Correct answer: It cuts it by more than half

Alcohol reduces the ability to see clearly at night by more than half and slows glare recovery.

Source: Section B-7: Alcohol, Other Drugs and Driving

Correct answer: About 30 percent

Side vision is reduced by about 30 percent at a .05 BAC, and depth perception suffers too.

Source: Section B-7: Alcohol, Other Drugs and Driving

Correct answer: About seven times

At .10 BAC you are about seven times more likely to cause a crash; at .15 it is 25 times and at .17, 50 times.

Source: Section B-7: Alcohol, Other Drugs and Driving

Correct answer: As low as .02 percent

Reaction and coordination are impaired by alcohol at a BAC as low as .02 percent.

Source: Section B-7: Alcohol, Other Drugs and Driving