Impaired Driving & Penalties — Oregon
Oregon motorcycle permit practice test: 345 free practice questions (Based on the official driver handbook). The official format is not yet verified; check the official site before your test. Impaired Driving & Penalties: 24 questions.
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 / Metric | Value |
|---|---|
| Topic | Impaired Driving & Penalties |
| License test | Oregon Motorcycle permit test |
| Topic questions | 24 (7% of 345 total) |
| Review status | This topic page is still being reviewed against the official handbook. Until review is finished it is hidden from search engines. |
Official handbook
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Questions (24)
1. Generally, the body eliminates one alcoholic drink per hour. If a person consumed eight alcoholic drinks four hours ago, how many drinks likely remain in their body?
- Two
- Three
- Four ✓
- Five
Answer: C. Four
About four drinks would still be in the person's body. The manual says alcohol is generally cleared at a rate of almost one drink per hour, and it shows the math with worked examples: drinks consumed minus hours elapsed equals what is still in your system. Eight drinks minus four hours of clearing leaves at least four drinks still in the body. The manual uses this arithmetic to make the point that time matters, and it adds that you would need roughly another four hours before the remaining alcohol is gone and riding should even be considered.
2. ____ can remove alcohol and its effects from your body.
- Time ✓
- Coffee
- Exercise
- Fresh air
Answer: A. Time
Time is what removes alcohol and its effects from your body. The manual says alcohol is eliminated from the body at a rate of almost one drink per hour. It also explains that alcohol enters the bloodstream quickly and that impairment continues while alcohol remains in the blood. Because the passages describe elimination as happening over time, and do not credit coffee, exercise, or fresh air with clearing alcohol, the correct choice is waiting and letting time pass.
3. When consumed together, the effects of alcohol and drugs:
- Can be more pronounced than when either is consumed alone. ✓
- Are less dangerous than when either is consumed alone.
- Are usually minimal.
- Often balance out.
Answer: A. Can be more pronounced than when either is consumed alone.
When alcohol and drugs are consumed together, their effects can be more pronounced than when either is consumed alone. The manual states plainly that alcohol and drugs together are more dangerous than either one by itself. It explains that alcohol and drugs impair judgment, clear thinking, and the physical skills needed to ride, and that impairment can begin before legal limits are reached. Since each substance already reduces your ability to ride well, the manual's warning about combined effects supports the answer that the effects can be stronger together than alone.
4. Which factor does not play a role in a person’s blood alcohol content (BAC)?
- The amount of alcohol consumed
- Body weight
- How quickly the alcohol was consumed
- How often alcohol is consumed ✓
Answer: D. How often alcohol is consumed
How often alcohol is consumed is the factor that does not play a role in a person's blood alcohol content (BAC). The manual names three primary factors that determine BAC: how much alcohol you consume, how fast you drink it, and your body weight. It then says other things like sex, physical condition and food intake may also raise your BAC. How often a person drinks is not listed among either the primary factors or the additional ones, so it is the choice that does not belong. The faster you drink, the more alcohol builds up in your body, which is why pace matters but frequency of drinking does not.
5. Unlike most food and drinks, alcohol does not need to be digested. This means that:
- Within minutes of being consumed, the alcohol reaches the brain and begins to affect the drinker. ✓
- The alcohol never gets removed from the body.
- It takes a long time to feel the effects of alcohol.
- Once it is in your system, your body gets rid of the alcohol quickly.
Answer: A. Within minutes of being consumed, the alcohol reaches the brain and begins to affect the drinker.
Because alcohol needs no digestion, it reaches the brain and starts affecting you within minutes of being consumed. The manual says alcohol enters the bloodstream quickly and, unlike most foods and beverages, does not have to be digested. Within minutes of being consumed, it reaches the brain and begins to affect the drinker. That is why the answer about it hitting the brain within minutes is the right one. The same passage adds that alcohol slows down and impairs both mental and physical functions, so whatever you are doing, you do it less well after drinking.
6. Which of the following is not a way to prevent a friend from driving while intoxicated?
- Arrange a safe ride home for them.
- Get them involved in activities to slow their drinking and keep them busy while they sober up.
- Make them wait 15 minutes after their last drink before driving. ✓
- Get other friends involved in stopping your friend from driving.
Answer: C. Make them wait 15 minutes after their last drink before driving.
Making a friend wait 15 minutes after their last drink before driving is not a way to prevent them from riding intoxicated. The manual treats alcohol impairment as something your body has to clear out, not something a short pause fixes. In its section on stepping in to protect a friend, it says that if someone has gone past their limit, the answer is to wait until their system eliminates the alcohol and its after-effects, and it also suggests leaving the motorcycle behind and arranging another way home. A 15-minute delay does nothing to remove alcohol, so it does not count as a real prevention step, while the other choices do.
7. If you are feeling tired while riding, you should:
- Keep going and hope to wake up.
- Ride faster.
- Ride on the shoulder.
- Get off the road and rest. ✓
Answer: D. Get off the road and rest.
If you are feeling tired while riding, get off the road and rest. The manual warns that riding a motorcycle tires you faster than driving a car, that fatigue can affect your control of the motorcycle, and that you should avoid riding when tired. It also tells riders to take frequent rest breaks, stopping and getting off the motorcycle at least every two hours. A separate section covers leaving the road just to rest, which reinforces that pulling off and resting is the expected response to fatigue rather than pushing on.
8. Several factors influence blood alcohol concentration (BAC). Which of the following does not play a role?
- The amount of alcohol consumed
- How fast a person drinks
- Body weight
- Height ✓
Answer: D. Height
Height is the factor that does not play a role in blood alcohol concentration; the manual names how much alcohol you drink, how fast you drink it, and your body weight as the main influences. The manual lists three primary factors that determine BAC: the amount of alcohol you consume, how fast you drink, and your body weight. It adds that other things, such as sex, physical condition and food intake, can also change how alcohol affects you. Height is not on that list of primary factors or among the additional ones the manual mentions, so it is the one item here that does not affect BAC.
9. In general, the body gets rid of almost ______ per hour.
- One drink ✓
- Two drinks
- Three drinks
- Four drinks
Answer: A. One drink
In general, the body eliminates alcohol at a rate of almost one drink per hour. The manual states that alcohol is generally eliminated at a rate of almost one drink per hour. That is the baseline rate it gives for how fast the body clears alcohol. A separate passage adds that if you drink two drinks in an hour, at least one drink will remain in your bloodstream at the end of that hour, which shows that faster drinking outpaces elimination. So the amount matching the manual's general rate is one drink, not a larger number.
10. If a friend has been drinking alcohol and wants to drive, which of the following should you not do?
- Encourage friends to talk them out of driving.
- Arrange for other transportation.
- Tell them to take less-crowded roads. ✓
- Slow their pace of drinking.
Answer: C. Tell them to take less-crowded roads.
You should not tell a friend who has been drinking to take less-crowded roads. The manual's advice for handling a drinking friend is to intervene before they ride at all: slow the pace of drinking, keep them where they are, get other friends involved, and use excuses, food, coffee, or taking the key to stop them from getting on the bike. Steering them toward quieter streets is not one of those steps, and it does not fit the manual's point that alcohol slows and impairs mental and physical functions, so a rider does less well at any task no matter how light the traffic is.
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Last checked: 2026-10-17 · Verified from official source
Updated: · Based on the official driver handbook