#1
What is the legal blood alcohol concentration (BAC) limit for drivers in most countries?
0.08%
ExplanationStandard legal limit for driving under alcohol influence.
#2
In impaired driving cases, what does the term 'field sobriety test' refer to?
A test conducted on the roadside
ExplanationField sobriety tests are roadside assessments used to gauge impairment.
#3
What is the role of ignition interlock devices in combating impaired driving?
Preventing the vehicle from starting if the driver is impaired
ExplanationIgnition interlock devices prevent impaired drivers from starting their vehicles.
#4
Which demographic group tends to be at a higher risk for impaired driving incidents?
Teens
ExplanationTeenagers are at a heightened risk for impaired driving incidents.
#5
Which factor can contribute to increased impairment when combining alcohol with prescription medications?
Synergistic effects leading to higher impairment
ExplanationAlcohol can potentiate the effects of certain medications, leading to increased impairment.
#6
Which of the following drugs can impair a person's ability to drive?
Antihistamines
ExplanationCertain medications, like antihistamines, can impair driving skills.
#7
What is the purpose of a sobriety checkpoint?
To deter impaired driving
ExplanationSobriety checkpoints aim to discourage driving under the influence.
#8
What is the DRE (Drug Recognition Expert) program designed for in the context of impaired driving?
To identify and evaluate drug-impaired drivers
ExplanationThe DRE program trains officers to identify and assess drivers impaired by drugs.
#9
Which type of impairment is most commonly associated with the use of marijuana while driving?
Cognitive impairment
ExplanationMarijuana use primarily leads to cognitive impairment when driving.
#10
Which neurotransmitter in the brain is affected by alcohol, leading to impaired coordination and judgment?
GABA (Gamma-aminobutyric acid)
ExplanationAlcohol affects GABA levels, impairing coordination and judgment.
#11
What is the 'look-back period' in relation to prior DUI convictions?
The time period during which a person's driving record is reviewed for prior DUIs
ExplanationThe 'look-back period' refers to the duration in which past DUIs are considered in sentencing.
#12
Which age group has the highest rate of alcohol-impaired driving fatalities?
21-34
ExplanationYoung adults, aged 21-34, face the highest risk of alcohol-related driving fatalities.
#13
What is the implied consent law related to impaired driving?
Drivers must consent to a breath test if suspected of DUI
ExplanationDrivers are legally required to consent to breath tests when suspected of driving under the influence.
#14
What is the 'legal limit' regarding the number of drinks per hour for a typical adult to avoid impairment?
1 drink per hour
ExplanationA guideline suggesting a maximum of one drink per hour to maintain sobriety while driving.
#15
Which factor can affect the absorption of alcohol in the body?
Consuming alcohol on an empty stomach
ExplanationDrinking alcohol on an empty stomach speeds up its absorption, leading to quicker intoxication.
#16
How do field breathalyzer tests measure alcohol concentration in a person's breath?
By detecting the presence of alcohol molecules
ExplanationBreathalyzers measure alcohol concentration by detecting its molecules in exhaled breath.
#17
What is the 'HGN test' commonly used in field sobriety testing?
Horizontal Gaze Nystagmus test
ExplanationThe HGN test assesses impairment based on involuntary eye movements.