Oklahoma Car / Permit practice
Alcohol & Drugs
Blood alcohol limits, zero-tolerance and implied-consent laws, and how alcohol and drugs — legal or not — affect your driving.
Content reviewed against official driver handbooks · July 7, 2026
14 questions · pass with 11 correct. You get instant feedback and an explanation after every answer.
Study questions with answers
12 sample Alcohol & Drugs questions with the correct answer, a short explanation, and the official handbook reference. Read through them, then take the quiz above.
1. For drivers under 21, a license can be revoked for having:
Correct answer: Any measurable amount of alcohol
Under Zero Tolerance, any measurable amount of alcohol can cost a driver under 21 their license.
Source: Oklahoma Driver Manual, Chapter 12: Alcohol, Drugs and Driving
2. A first DUI conviction in Oklahoma is classified as:
Correct answer: A misdemeanor
A first DUI offense is a misdemeanor carrying jail time and a fine.
Source: Oklahoma Driver Manual, Chapter 12: Alcohol, Drugs and Driving
3. Even ordinary over-the-counter cold or allergy medicines can:
Correct answer: Slow reaction time and cause drowsiness
Such drugs can slow your reaction time, make you dizzy, and impair your concentration and vision.
Source: Oklahoma Driver Manual, Chapter 12: Alcohol, Drugs and Driving
4. A revocation under the Implied Consent Law can last:
Correct answer: From 180 days up to 2 years
Depending on your record, the revocation period runs from 180 days up to 2 years.
Source: Oklahoma Driver Manual, Chapter 12: Alcohol, Drugs and Driving
5. Under Oklahoma's Implied Consent Law, refusing a chemical test when an officer lawfully requests one results in:
Correct answer: Automatic revocation of your driving privilege
Refusal brings an automatic revocation of your driving privilege, even if you had not been drinking.
Source: Oklahoma Driver Manual, Chapter 12: Alcohol, Drugs and Driving
6. Combining alcohol with other drugs is especially dangerous because it:
Correct answer: Multiplies the harmful effects
The drugs react with each other and multiply their harmful effects on coordination and concentration.
Source: Oklahoma Driver Manual, Chapter 12: Alcohol, Drugs and Driving
7. Regarding cannabis, Oklahoma law makes it illegal to drive with:
Correct answer: Any detectable level in your system
It is unlawful to drive with any detectable level of cannabis in your system, even where medical use is legal.
Source: Oklahoma Driver Manual, Chapter 12: Alcohol, Drugs and Driving
8. Roughly what share of highway deaths does the manual attribute to alcohol?
Correct answer: About one-quarter
The manual states that alcohol is responsible for about one-quarter of all highway deaths.
Source: Oklahoma Driver Manual, Chapter 12: Alcohol, Drugs and Driving
9. According to the manual, alcohol impairs which driving ability almost immediately?
Correct answer: Your judgment
Judgment is affected almost at once, and you often cannot tell you have had too much until it is too late.
Source: Oklahoma Driver Manual, Chapter 12: Alcohol, Drugs and Driving
10. A driver's license will be revoked if a chemical test shows a blood alcohol content of at least:
Correct answer: 0.08
A BAC of 0.08 or more triggers revocation, even without a court conviction for DUI.
Source: Oklahoma Driver Manual, Chapter 12: Alcohol, Drugs and Driving
11. Driving with a blood alcohol content above 0.05 but below 0.08 can result in:
Correct answer: A fine and possible jail time
A conviction at this level can bring a fine and up to six months in jail.
Source: Oklahoma Driver Manual, Chapter 12: Alcohol, Drugs and Driving
12. A 12-ounce beer, a 5-ounce glass of wine, and a 1.5-ounce shot of 80-proof liquor each contain:
Correct answer: The same amount of alcohol
The manual points out that these servings all hold the same amount of alcohol.
Source: Oklahoma Driver Manual, Chapter 12: Alcohol, Drugs and Driving
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