Kentucky Alcohol & Drugs practice test

Practice blood alcohol limits, DUI rules and medication: 28 questions based on the Kentucky Driver Manual, 14 of them on Kentucky's own rules.

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Key Kentucky facts: Alcohol & Drugs

Drivers under 21 are held to Zero Alcohol Tolerance, an alcohol concentration of .02. Section One, Permit Driving, PDF p. 14; Section Three, Alcohol and the Law, PDF p. 34
A first DUI conviction within ten years brings a $200 to $500 fine plus court costs, 48 hours to 30 days in county jail, or both (the manual lists both; KRS 189A.010(5)(a) says fine, jail or both), and a four- to six-month license suspension (KRS 189A.070); drivers under 18 may face a longer suspension. Section Three, Alcohol and the Law, PDF p. 35; KRS 189A.010(5)(a); KRS 189A.070(1)(a)
Before a requested chemical test, a driver gets at least 10 and no more than 15 minutes to try to reach an attorney. Section Three, Alcohol and the Law, PDF p. 35
For a second or later DUI within ten years, an earlier refusal of a breath or urine test doubles the mandatory minimum jail sentence. Section Three, Alcohol and the Law, PDF p. 34
Aggravating circumstances requiring jail include driving more than 30 mph over the limit, wrong-way driving on a limited access highway, a BAC of .15 or more, refusing a test, and carrying a passenger under 12; under KRS 189A.010(11)(e) a breath-test refusal does not count as aggravating for a first offense. Section Three, Aggravating Circumstances, PDF p. 35; KRS 189A.010(11)

Sample Alcohol & Drugs questions

How can diet pills or pep pills affect a driver?

They can cause dizziness and poor focus
They have no effect on driving
They improve reaction time
They only affect sleep

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They can cause dizziness and poor focus

They can also make you nervous and affect your vision.

Source: Kentucky Driver Manual, Section Three, Over-the-Counter Drugs, PDF p. 33

Is it legal for a 19-year-old in Kentucky to possess alcohol?

No, not under 21
Yes, with a parent present
Yes, at home only
Yes, if not driving

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No, not under 21

Buying, possessing and drinking alcohol are all illegal under 21.

Source: Kentucky Driver Manual, Section Three, If You Are Under 21, PDF p. 33

Above what breath alcohol level does an ignition interlock keep the vehicle from running?

0.02
0.10
0.15
0.08

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0.02

The device blocks driving when breath alcohol is over .02.

Source: Kentucky Driver Manual, Section Three, Repeat Offenders, PDF p. 35

A driver refused a breath test and is later convicted of a second DUI within ten years. How does the refusal affect the minimum jail sentence?

It cuts it in half
It has no effect
It doubles it
It replaces jail with a fine

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It doubles it

The refusal is treated as an aggravating circumstance.

Source: Kentucky Driver Manual, Section Three, Alcohol and the Law, PDF p. 34

A DUI is an aggravating case if the driver was going more than how many mph over the speed limit?

5 mph
10 mph
30 mph
20 mph

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30 mph

Driving over 30 mph above the posted limit is one of the listed circumstances.

Source: Kentucky Driver Manual, Section Three, Aggravating Circumstances, PDF p. 35; Kentucky Revised Statutes 189A.010, KRS 189A.010(11)

What fine range does Kentucky set for a first DUI conviction within ten years?

$1,000 to $2,500
$5,000 to $10,000
$50 to $100
$200 to $500

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$200 to $500

Court costs come on top of the fine.

Source: Kentucky Driver Manual, Section Three, Alcohol and the Law, PDF p. 35; Kentucky Revised Statutes 189A.010, KRS 189A.010(5)(a)

Before a requested chemical test, how long do you get to try to contact an attorney?

One full hour
None at all
10 to 15 minutes
1 to 2 minutes

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10 to 15 minutes

You get at least 10 and no more than 15 minutes.

Source: Kentucky Driver Manual, Section Three, Alcohol and the Law, PDF p. 35

Which of these is an aggravating circumstance in a Kentucky DUI case?

Carrying a passenger under 12
Driving with the radio on
Driving in daylight
Driving on a county road

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Carrying a passenger under 12

Other aggravating circumstances include a BAC of .15 or more and driving over 30 mph above the limit.

Source: Kentucky Driver Manual, Section Three, Aggravating Circumstances, PDF p. 35; Kentucky Revised Statutes 189A.010, KRS 189A.010(11)

How long is the license suspension for a first DUI conviction within ten years?

Four to six months
One to two years
Ten to 30 days
Five to ten years

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Four to six months

Drivers under 18 may face a longer suspension.

Source: Kentucky Driver Manual, Section Three, Alcohol and the Law, PDF p. 35; Kentucky Revised Statutes 189A.070, KRS 189A.070(1)(a)

At what BAC does alcohol start to affect vision for all drivers?

0.08
0.30
0.02
0.15

Show the answer

0.02

Vision, the most important driving sense, is affected from .02.

Source: Kentucky Driver Manual, Section Three, Effects of Alcohol and Other Impairing Drugs, PDF p. 33

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About these questions

We wrote these practice questions from the facts in the Kentucky Driver Manual (Updated 7-23-26 (file name; PDF created 2026-07-27), read 2026-11-09. Page numbers cited are PDF pages (PDF page = printed page + 8). Where the manual gives no value, the Kentucky Transportation Cabinet's Graduated Driver Licensing page (drive.ky.gov) and Kentucky Revised Statutes 189.292 and 189.294 (apps.legislature.ky.gov, read 2026-11-09) are the source edition) and from official sources on road signs. Every answer links to its source, so you can check it and read more.

DMV Decoded is an independent guide, not a government agency. This practice test is not connected to the Kentucky State Police, and your actual test will have different questions. Study the handbook, and check the agency's website for current rules.