Nebraska CDL — General Knowledge: Alcohol & Drugs Practice Test

Question 1

What did the National Transportation Safety Board report about drowsy driving and crashes that killed a truck driver?

Accepted Answer

It likely caused over half of them — The manual cites an NTSB finding that drowsy driving was the probable cause of more than half of the crashes in which a truck driver died.

Answer

It played a part in about one in ten

Answer

It was rarely a factor

Answer

It mattered only on rural roads

Question 2

Which stimulants does the manual name among the substances a driver may not be under the influence of?

Accepted Answer

Amphetamines, including 'pep pills,' 'uppers,' and 'bennies' — The manual says the law bars driving under the influence of controlled substances, amphetamines such as pep pills, uppers, and bennies, narcotics, or anything else that makes a driver unsafe.

Answer

Caffeine tablets and energy drinks

Answer

Nicotine products

Answer

Vitamin supplements

Question 3

A driver claims that two beers affect him less than two shots of hard liquor would. What does the manual say?

Accepted Answer

It makes no difference; the alcohol itself is what affects performance — The manual says it is the alcohol in a drink that affects performance, whether it comes from beer, wine, or liquor. Its standard servings of each contain the same amount of alcohol.

Answer

Beer has less effect because it is absorbed more slowly

Answer

Liquor has less effect because the serving is smaller

Answer

Wine is the only drink with a reliably lower effect

Question 4

How many police-reported crashes a year does NHTSA estimate are the result of drowsy driving?

Accepted Answer

100,000 — NHTSA's estimate in the manual is 100,000 police-reported crashes each year caused by drowsy driving.

Answer

5,500

Answer

20,000

Answer

448,000

Question 5

By the NHTSA figure in the manual, how many other people are killed for each truck driver who dies in a crash?

Accepted Answer

Another three to four — The manual says that for every truck driver fatality, three to four more people lose their lives.

Answer

None, on average

Answer

About one

Answer

At least ten

Question 6

According to the manual, fatigue plays a part in at least what share of heavy truck crashes?

Accepted Answer

15% — The manual states that fatigue is a factor in at least 15% of heavy truck crashes.

Answer

5%

Answer

30%

Answer

50%

Question 7

What does the manual say operating a CMV means when it comes to alcohol testing?

Accepted Answer

You are treated as having consented to testing — Anyone who operates a CMV is considered to have consented to alcohol testing. Refusing a test is itself grounds for losing the CDL for at least a year on a first offense.

Answer

You may decline one test without penalty

Answer

You can be tested only after a crash

Answer

You must request a test before each trip

Question 8

You notice signs of fatigue while driving. If you do not stop to sleep for the night, what does the manual suggest?

Accepted Answer

Take a nap of 15 to 20 minutes — At any sign of fatigue the manual says to stop driving, then either turn in for the night or nap for 15 to 20 minutes.

Answer

Open the window and keep going

Answer

Drink coffee and drive another hour

Answer

Turn up the radio

Question 9

By how much does a work week of more than 60 hours raise your risk of a drowsy-driving crash, according to the manual?

Accepted Answer

40% — The manual's risk checklist says a work week over 60 hours increases your risk by 40%.

Answer

10%

Answer

25%

Answer

60%

Question 10

Under the second Clearinghouse rule described in Nebraska's manual, what must a state licensing agency do when a driver has a 'prohibited' Clearinghouse status?

Accepted Answer

Remove the commercial driving privileges, which downgrades the license — Clearinghouse-II requires state licensing agencies to take the commercial privileges off the license of a driver who is subject to the driving prohibition. The result is a downgrade.

Answer

Add a K restriction limiting the driver to intrastate trips

Answer

Issue a 24-hour out-of-service order

Answer

Schedule a new skills test within 30 days

Question 11

According to the manual's table of BAC effects, how is blood alcohol content recorded?

Accepted Answer

As milligrams of alcohol in each 100 milliliters of blood — The table describes blood alcohol content as the amount of alcohol in the blood, recorded in milligrams per 100 milliliters.

Answer

In ounces of alcohol per pint of blood

Answer

In drinks consumed per hour

Answer

In parts of alcohol per million parts of breath

Question 12

To prevent drowsiness, when does the manual say to schedule your trips?

Accepted Answer

During the hours you are normally awake — Among the steps for preventing drowsiness before a trip, the manual says to plan driving for the hours you are usually awake and not for the middle of the night.

Answer

Overnight, when traffic is lightest

Answer

Right after a large meal

Answer

In the mid-afternoon

Nebraska CDL — General Knowledge: Alcohol & Drugs practice test

Study questions with answers

1. What did the National Transportation Safety Board report about drowsy driving and crashes that killed a truck driver?

2. Which stimulants does the manual name among the substances a driver may not be under the influence of?

3. A driver claims that two beers affect him less than two shots of hard liquor would. What does the manual say?

4. How many police-reported crashes a year does NHTSA estimate are the result of drowsy driving?

5. By the NHTSA figure in the manual, how many other people are killed for each truck driver who dies in a crash?

6. According to the manual, fatigue plays a part in at least what share of heavy truck crashes?

7. What does the manual say operating a CMV means when it comes to alcohol testing?

8. You notice signs of fatigue while driving. If you do not stop to sleep for the night, what does the manual suggest?

9. By how much does a work week of more than 60 hours raise your risk of a drowsy-driving crash, according to the manual?

10. Under the second Clearinghouse rule described in Nebraska's manual, what must a state licensing agency do when a driver has a 'prohibited' Clearinghouse status?

11. According to the manual's table of BAC effects, how is blood alcohol content recorded?

12. To prevent drowsiness, when does the manual say to schedule your trips?

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