NHTSA SFST Exam Guide with Complete Solutions Graded A 2024

Approximately what percentage of fatal crashes involve drivers who have been drinking? 2015-29% 2016-28% Weekends-26% On any typical weekend night, approximately what percentage of cars are driven by persons who are DWI? 10% How many times does the average DWI violator drive intoxicated before arrest? 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? 3 times higher What are the three phases of detection? 1) Vehicle in motion 2) Personal contact 3) Pre-arrest screening What is the definition of DWI detection? 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? Should I stop the vehicle? Principal decision during Detection Phase Two? Personal contact- Should the driver exit? Principal decision during Detection Phase Three? Pre-arrest screening- Is there probable cause to arrest the suspect for DWI? What does "Per Se" mean? 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: 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. True True or false: A person cannot be convicted of DWI if BAS was below 0.05. False True or false: Alcohol is the most abused drug in the US True Name three of the more commonly known alcohols Methyl/Methanol or wood alcohol Ethyl/Ethanol or beverage alcohol Isopropyl alcohol/Rubbing alcohol What does nystagmus mean? Involuntary jerking of the eyes Walk and Turn (WAT) is an example of a _____________ attention test. DIVIDED Name the eight distinct clues of Walk and Turn (2 in the front/ 4 in the middle/ 2 in the back) 1) Cannot keep balance while listening to instructions. 2) Starts before the instructions are finished.