Impaired Driving & Penalties — Missouri

Missouri permit practice test: 488 free practice questions (Based on the official driver handbook). Official test format: Class F: 25 Q, pass 20. Impaired Driving & Penalties: 38 questions. Updated

Blood alcohol limits, drugs and fatigue, licence suspensions, demerit points and fines.

This topic page is still being reviewed against the official handbook. Until review is finished it is hidden from search engines.

Topic / MetricValue
TopicImpaired Driving & Penalties
License testMissouri Car learner's permit test (Class F)
Topic questions38 (8% of 488 total)
Review statusThis topic page is still being reviewed against the official handbook. Until review is finished it is hidden from search engines.

Official handbook

dor.mo.gov ✓ Verified from official source

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Questions (38)

1. If you begin to feel tired while driving, the best thing to do is to:
  1. Get some coffee.
  2. Open your window.
  3. Stop driving. ✓
  4. Turn on the radio.

Answer: C. Stop driving.

Official handbook: Official handbook
2. Alcohol:
  1. Slows reflexes and reaction time. ✓
  2. Puts you to sleep.
  3. Wakes you up.
  4. Improves your judgment.

Answer: A. Slows reflexes and reaction time.

Official handbook: Official handbook
3. You experience an incident at work that has left you feeling angry. When you get to your car, you should:
  1. Play the radio loudly so you won’t think about it.
  2. Drive fast on the interstate to let off steam.
  3. Take a few minutes to cool off before you begin your drive home. ✓
  4. Stop at your favorite bar and have a few drinks before driving home.

Answer: C. Take a few minutes to cool off before you begin your drive home.

Official handbook: Official handbook
4. ____ limit your concentration, perception, judgment, and memory.
  1. Only a blood alcohol level greater than the legal limit can
  2. Alcohol does not
  3. Even the smallest amount of alcohol can ✓
  4. Only a blood alcohol level greater than 0.05 percent can

Answer: C. Even the smallest amount of alcohol can

Official handbook: Official handbook
5. A person's ability to drive can be impaired by:
  1. Alcohol.
  2. Any medication.
  3. A lack of sleep.
  4. All of the above. ✓

Answer: D. All of the above.

Official handbook: Official handbook
6. Your body gets rid of approximately:
  1. Three alcoholic drinks an hour.
  2. One alcoholic drink an hour. ✓
  3. Two alcoholic drinks an hour.
  4. None of the above.

Answer: B. One alcoholic drink an hour.

Official handbook: Official handbook
7. If you are convicted of Driving While Intoxicated (DWI) for the first time, you will:
  1. Lose your license for 90 days. ✓
  2. Be fined $50.
  3. Be required to install an Ignition Interlock Device (IID).
  4. Get off with a warning.

Answer: A. Lose your license for 90 days.

Official handbook: Official handbook
8. You may drink alcoholic beverages in a vehicle on a public highway:
  1. As long as you aren't driving.
  2. If you are riding in the back seat.
  3. If you are riding in the back of a pick-up truck.
  4. Under no circumstances. ✓

Answer: D. Under no circumstances.

Official handbook: Official handbook
9. Distracted driving may be caused by:
  1. Eating, drinking, or smoking.
  2. Talking or texting on a cellular phone.
  3. Changing a radio station or CD.
  4. All of the above. ✓

Answer: D. All of the above.

Official handbook: Official handbook
10. The effect that lack of sleep has on your safe driving ability is the same as:
  1. The effect that alcohol has. ✓
  2. The effect that amphetamines have.
  3. The effect that anger has.
  4. The effect that driving with teenagers has.

Answer: A. The effect that alcohol has.

Official handbook: Official handbook
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Last checked: 2026-10-17 · Verified from official source

Updated: · Based on the official driver handbook