Ohio 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.
Questions reviewed against the official Ohio driver handbook · July 7, 2026
13 questions · pass with 10 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. If you take the state's chemical test and test over the limit, what right do you have regarding testing?
Correct answer: The right to an independent test at your own expense
You are entitled to arrange a separate chemical test yourself, paying for it out of pocket.
Source: Section 6: State Laws and Penalties — Administrative License Suspension (Test Over the Limit)
2. How do alcohol and drugs affect a driver's judgment?
Correct answer: They reduce the ability to judge surroundings and make quick decisions
They reduce your ability to perceive your surroundings and to make quick decisions.
Source: Section 6: State Laws and Penalties — Effects of Alcohol and Drugs
3. How can alcohol affect a driver's vision?
Correct answer: It blurs vision and reduces the ability to judge distance and speed
Drinking can leave vision blurry, make focusing harder, and weaken how well you gauge distance, speed, and how nearby cars are moving.
Source: Section 6: State Laws and Penalties — Effects of Alcohol and Drugs
4. Which statement about over-the-counter and prescription medications and driving is correct?
Correct answer: Even legal medications can impair your ability to drive
Medicines you buy over the counter or get by prescription can still hurt your driving, so read the warnings or ask a pharmacist or doctor first.
Source: Section 6: State Laws and Penalties — Impairing Drugs and Driving
5. What is the legal drinking age in Ohio?
Correct answer: 21
Ohio law sets 21 as the minimum age at which a person may legally drink.
Source: Section 6: State Laws and Penalties — Alcohol and the Law
6. In Ohio, no matter a driver's age, what blood-alcohol level makes it unlawful to be behind the wheel?
Correct answer: .08%
Ohio sets the ceiling at a .08% blood-alcohol level for drivers of every age; reaching or passing it while driving breaks the law.
Source: Section 6: State Laws and Penalties — Alcohol and the Law
7. If a driver refuses the chemical test and is later acquitted of the OVI charge, what happens to the Administrative License Suspension?
Correct answer: It still remains in effect
A refusal-based suspension remains in force whether or not the driver is later cleared of the OVI charge.
Source: Section 6: State Laws and Penalties — Administrative License Suspension (Test Refusal)
8. Why should you never mix alcohol with other impairing drugs?
Correct answer: Drugs may increase alcohol's effects or add their own
Mixing is dangerous because other substances can amplify what alcohol does or bring harmful effects of their own.
Source: Section 6: State Laws and Penalties — Impairing Drugs and Driving
9. How does alcohol or drug use affect a driver's reaction time?
Correct answer: It slows the ability to process information and respond
Impairing substances make it take longer to take in what's happening and act on it, so your reactions lag.
Source: Section 6: State Laws and Penalties — Effects of Alcohol and Drugs
10. Under Ohio's Administrative License Suspension, what is the penalty for a first refusal to take a chemical test?
Correct answer: A one-year license suspension
For a first refusal to submit to a chemical test, the Administrative License Suspension is a one-year license suspension that begins immediately.
Source: Section 6: State Laws and Penalties — Alcohol and Drug Penalties (ALS Refusal to Test)
11. What is the blood-alcohol limit for a person driving a commercial vehicle in Ohio?
Correct answer: .04%
Anyone driving commercially is over the limit once their blood-alcohol level reaches .04%.
Source: Section 6: State Laws and Penalties — Alcohol and the Law
12. Under the Administrative License Suspension rules, what is the suspension for a first chemical test that shows a BAC over the legal limit?
Correct answer: Three months (90 days)
A first test over the limit results in a three-month (90-day) license suspension.
Source: Section 6: State Laws and Penalties — Alcohol and Drug Penalties (ALS Testing Over the Limit)
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Every Ohio question is written from the official Ohio driver handbook and checked against its current edition. DMV Test Free is a free, independent study resource — not affiliated with any DMV or government agency. About DMV Test Free