NHTSA SFST – Questions With Detailed Solutions
Approximately what percentage of fatal crashes involve drivers who
have been drinking? Correct Answer - 2015-29%
2016-28%
Weekends-26%
On any typical weekend night, approximately what percentage of
cars are driven by persons who are DWI? Correct Answer -
10%
How many times does the average DWI violator drive intoxicated
before arrest? Correct Answer - 80 times
An alcohol-related crash at night is more likely to result in death
than is a non-alcohol-related crash. How many times more likely?
Correct Answer - 3 times higher
What are the three phases of detection? Correct Answer - 1)
Vehicle in motion
2) Personal contact
3) Pre-arrest screening
What is the definition of DWI detection? Correct Answer - The
entire process of identifying and gathering evidence to determine if
a subject should be arrested for a DWI violation
Principal decision during Detection Phase One? Correct Answer -
Should I stop the vehicle?
Principal decision during Detection Phase Two? Correct Answer -
Personal contact- Should the driver exit?
, Principal decision during Detection Phase Three? Correct Answer
- Pre-arrest screening- Is there probable cause to arrest the
suspect for DWI?
What does "Per Se" mean? Correct Answer - Used to describe a
law which makes it illegal to while while having a certain percentage
of alcohol in the blood or breath
The "illegal per se" law makes it an offense to operate a motor
vehicle while: Correct Answer - Having a BAC at or above
states level
True or false: The implied consent law states suspected DWI drivers
are deemed to have given their consent to submit to chemical
testing. Correct Answer - True
True or false: A person cannot be convicted of DWI if BAS was below
0.05. Correct Answer - False
True or false: Alcohol is the most abused drug in the US Correct
Answer - True
Name three of the more commonly known alcohols Correct
Answer - Methyl/Methanol or wood alcohol
Ethyl/Ethanol or beverage alcohol
Isopropyl alcohol/Rubbing alcohol
What does nystagmus mean? Correct Answer - Involuntary
jerking of the eyes
Walk and Turn (WAT) is an example of a _____________ attention test.
Correct Answer - DIVIDED
Name the eight distinct clues of Walk and Turn
Approximately what percentage of fatal crashes involve drivers who
have been drinking? Correct Answer - 2015-29%
2016-28%
Weekends-26%
On any typical weekend night, approximately what percentage of
cars are driven by persons who are DWI? Correct Answer -
10%
How many times does the average DWI violator drive intoxicated
before arrest? Correct Answer - 80 times
An alcohol-related crash at night is more likely to result in death
than is a non-alcohol-related crash. How many times more likely?
Correct Answer - 3 times higher
What are the three phases of detection? Correct Answer - 1)
Vehicle in motion
2) Personal contact
3) Pre-arrest screening
What is the definition of DWI detection? Correct Answer - The
entire process of identifying and gathering evidence to determine if
a subject should be arrested for a DWI violation
Principal decision during Detection Phase One? Correct Answer -
Should I stop the vehicle?
Principal decision during Detection Phase Two? Correct Answer -
Personal contact- Should the driver exit?
, Principal decision during Detection Phase Three? Correct Answer
- Pre-arrest screening- Is there probable cause to arrest the
suspect for DWI?
What does "Per Se" mean? Correct Answer - Used to describe a
law which makes it illegal to while while having a certain percentage
of alcohol in the blood or breath
The "illegal per se" law makes it an offense to operate a motor
vehicle while: Correct Answer - Having a BAC at or above
states level
True or false: The implied consent law states suspected DWI drivers
are deemed to have given their consent to submit to chemical
testing. Correct Answer - True
True or false: A person cannot be convicted of DWI if BAS was below
0.05. Correct Answer - False
True or false: Alcohol is the most abused drug in the US Correct
Answer - True
Name three of the more commonly known alcohols Correct
Answer - Methyl/Methanol or wood alcohol
Ethyl/Ethanol or beverage alcohol
Isopropyl alcohol/Rubbing alcohol
What does nystagmus mean? Correct Answer - Involuntary
jerking of the eyes
Walk and Turn (WAT) is an example of a _____________ attention test.
Correct Answer - DIVIDED
Name the eight distinct clues of Walk and Turn
