CDE Alcohol, Drugs & Impaired Driving

Question 1

In all U.S. states, what is the legal blood alcohol concentration (BAC) limit for drivers aged 21 and older?

Accepted Answer

0.08%

Answer

0.05%

Answer

0.10%

Answer

0.12%

Question 2

Under zero tolerance laws, what is the BAC limit for drivers under age 21 in most U.S. states?

Accepted Answer

0.01% or 0.02%

Answer

0.08%

Answer

0.04%

Answer

0.00%

Question 3

Which part of the brain is most immediately affected by alcohol, impairing a driver's judgment and decision-making?

Accepted Answer

Frontal lobe

Answer

Cerebellum

Answer

Brainstem

Answer

Occipital lobe

Question 4

At a BAC of 0.05%, which driving-related skills are most noticeably affected?

Accepted Answer

Reduced coordination, reduced ability to track moving objects, and difficulty steering

Answer

Steering and braking only

Answer

Vision only

Answer

Reaction time only

Question 5

Which of the following is the ONLY reliable way to sober up after drinking alcohol?

Accepted Answer

Time

Answer

Drinking coffee

Answer

Eating a large meal

Answer

Cold shower

Question 6

What does the term 'implied consent' mean in the context of driving?

Accepted Answer

By driving, a person consents to chemical testing if lawfully stopped for impaired driving

Answer

A driver agrees to obey all traffic laws

Answer

A passenger implies consent to be in an impaired driver's vehicle

Answer

Police may search a vehicle without a warrant

Question 7

Which schedule of drugs does the DEA classify marijuana as, and what does this mean for drugged driving enforcement?

Accepted Answer

Schedule I — it is federally illegal and states use per se or zero tolerance standards for THC

Answer

Schedule II — states cannot enforce drugged driving laws

Answer

Schedule III — it is legal for driving if medically prescribed

Answer

Schedule IV — only a civil infraction to drive under its influence