Impaired Driving & Penalties — Nevada
Nevada CDL practice test: 457 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: 19 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 | Nevada CDL permit (CLP) knowledge tests |
| Topic questions | 19 (4% of 457 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 (19)
1. If feeling tired while driving, it is best to:
- Take a pep pill.
- Get some rest. ✓
- Continue driving.
Answer: B. Get some rest.
When you feel tired while driving, the best thing to do is get some rest. The handbook lists stopping driving to rest or nap as one of the ways to stay alert behind the wheel, and it warns that caffeine only helps for a few hours before wearing off, so you should not depend on it to prevent fatigue. Drugs may keep you awake but will not make you alert. The passage also points out that many drivers cannot tell when they are about to fall asleep, which is why the signs of fatigue should tell you to stop and rest.
2. Which factor does not have an impact on a person’s blood alcohol concentration (BAC)?
- The number of alcoholic drinks consumed
- How quickly the alcoholic drinks were consumed
- The weight of the drinker
- The temperature of the drinks ✓
Answer: D. The temperature of the drinks
The temperature of the drinks does not affect a person's blood alcohol concentration; BAC depends on how much alcohol is consumed, how quickly it is consumed, and the drinker's weight. The handbook says BAC is set by the amount of alcohol you drink, the speed at which you drink it, and your weight. It also notes that what matters is the alcohol itself, not the type of drink it comes in. Drink temperature is not listed among the things that change BAC. That makes the temperature choice the one that does not have an impact.
3. Which of the following is not a type of distraction?
- Physical
- Mental
- Obtuse ✓
Answer: C. Obtuse
Obtuse is not a type of distraction. The handbook says a distraction is anything that takes your attention away from driving, and it gives examples such as talking to passengers, adjusting controls, eating or drinking, texting, and daydreaming or being occupied with other mental distractions. Those examples include physical actions and mental attention. The handbook never lists obtuse as a distraction category, and nothing in the passage ties that word to something that pulls your attention from driving.
4. Which of the following is not an example of a distracted person that motorists should be worried about?
- A person talking to another person in their vehicle
- A child on the side of the road
- A construction worker on the side of the road
- A person sitting on a bench waiting for a bus ✓
Answer: D. A person sitting on a bench waiting for a bus
5. Which of the following is not an example of a distracted person that motorists should be worried about?
- A driver talking to a passenger in their vehicle
- A child on the side of the road
- A construction worker on the side of the road
- A person sitting on a bench waiting for a bus ✓
Answer: D. A person sitting on a bench waiting for a bus
6. Sending text messages while driving:
- May be done if the messages are short.
- Is encouraged.
- Is permitted if you are asking a question of your employer.
- Is not permitted. ✓
Answer: D. Is not permitted.
Sending text messages while driving is not permitted. The handbook states plainly that you may not send or read text messages while driving. It treats texting as a serious distraction: you take your eyes off the road to look at a screen and use your hands, and the risk of a safety-critical event rises sharply. The rule is written as a flat prohibition, not as something that depends on message length or who the message is for. That is why the correct choice is that texting is not permitted.
7. Distracted driving:
- Is not a concern.
- Only happens when drivers are physically doing something, like using a cell phone.
- Can occur due to mental activities, such as daydreaming. ✓
- Is encouraged on uncrowded roads.
Answer: C. Can occur due to mental activities, such as daydreaming.
Distracted driving can occur because of mental activities, including daydreaming. The handbook lists daydreaming and being occupied with other mental distractions among the activities inside a vehicle that can distract your attention. It also separates mental distraction, which takes your mind off the road, from physical distraction, which takes your hands or eyes away. That makes clear that distracted driving is not limited to handling a phone; thinking about something else while driving counts. The handbook says distracted driving can cause collisions and the resulting injury, death, or property damage.
8. Which of the following is a sign of a potentially drunk driver?
- They are staying in their traffic lane.
- They are driving a consistent speed.
- They are stopping without a reason. ✓
- They have alcohol-related bumper stickers on their vehicle.
Answer: C. They are stopping without a reason.
A potentially drunk driver may stop without a reason. The handbook's night-driving section lists drunk drivers as a hazard and tells you to watch for certain clues. It says to look for drivers who have trouble staying in their lane, cannot keep a steady speed, stop for no reason, or show other signs of being under the influence. Stopping when there is no apparent reason fits that list. Staying in the lane and holding a consistent speed are the opposite of the listed warning signs, and bumper stickers are not part of the handbook's clues.
9. A distracted driver:
- Usually reacts well to hazards.
- Usually has slowed perception. ✓
- Is usually aware of what is happening around them.
- Is a good person to follow.
Answer: B. Usually has slowed perception.
A distracted driver usually has slowed perception, so they may notice hazards late or miss them entirely. The handbook lists slowed perception as an effect of distracted driving. It says this can delay you in perceiving an important traffic event or make you fail to perceive it at all. The same section also mentions delayed decision making and improper action, which means distraction affects how you take in and respond to what is happening. Because the handbook ties distracted driving to slowed perception and increased risk, the answer that says perception is usually slowed fits directly.
10. An open automobile window in cold weather may indicate that the driver is:
- Driving impaired. ✓
- Inappropriately dressed.
- Using the heat inside their vehicle.
- Enjoying the fresh air.
Answer: A. Driving impaired.
An open window in cold weather may mean the driver is driving impaired. The handbook puts an open window in cold weather in the same short list as speeding up or slowing down suddenly and driving too fast or too slow, right before it tells you to watch for drunk and sleepy drivers late at night. In that section the open window is treated as a clue about the driver's condition, not as a comfort choice, so the handbook answer is that it points to impairment. The passage does not explain the reason behind the clue, only that you should notice it.
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Last checked: 2026-10-17 · Verified from official source
Updated: · Based on the official driver handbook