CDE Alcohol, Drugs & Impaired Driving 2

Question 1

How does alcohol affect a driver's reaction time at a BAC of 0.08%?

Accepted Answer

Reaction time is significantly slowed, increasing stopping distance

Answer

Reaction time is unaffected at this BAC

Answer

Reaction time improves slightly due to reduced anxiety

Answer

Only night-time reaction time is affected

Question 2

Which of the following prescription medications most commonly warns users NOT to operate heavy machinery or drive?

Accepted Answer

Benzodiazepines and opioid pain relievers

Answer

Antibiotics such as amoxicillin

Answer

Blood pressure medications only

Answer

Vitamins and supplements

Question 3

A driver with a BAC above the legal limit causes a fatal crash. Under most state laws, what is the most serious criminal charge they could face?

Accepted Answer

Vehicular manslaughter or DUI homicide

Answer

Reckless driving

Answer

Simple DUI only

Answer

Civil liability only

Question 4

What is an ignition interlock device (IID) and when is it typically required?

Accepted Answer

A breathalyzer connected to the ignition that prevents starting if BAC is above a threshold, often required after DUI conviction

Answer

A GPS tracker required for all new teen drivers

Answer

A device that limits vehicle speed, used for commercial drivers

Answer

An alcohol sensor installed in school zones only

Question 5

Which of the following best describes the 'standard field sobriety test' (SFST) battery used by law enforcement?

Accepted Answer

Three standardized physical tests: HGN, Walk-and-Turn, and One-Leg Stand

Answer

A written multiple-choice test administered at the police station

Answer

A breathalyzer test conducted at roadside

Answer

A blood test taken at the hospital

Question 6

How does marijuana impairment differ from alcohol impairment in terms of detection and driving risk?

Accepted Answer

Marijuana impairs lane tracking and reaction time but lacks a reliable standardized roadside test correlating THC level to impairment

Answer

Marijuana impairment is easily measured with a roadside breathalyzer like alcohol

Answer

Marijuana has no measurable effect on driving performance

Answer

Marijuana only impairs driving when combined with alcohol

Question 7

What does NHTSA data show about the relationship between alcohol and traffic fatalities in the United States?

Accepted Answer

Alcohol-impaired driving accounts for roughly one-third of all U.S. traffic fatalities annually

Answer

Alcohol-impaired driving accounts for less than 5% of traffic deaths

Answer

Alcohol-related fatalities have increased every year for the past decade

Answer

Alcohol is primarily a factor in pedestrian crashes, not vehicle crashes