DWI Test Flashcards
The type of alcohol contained in alcoholic beverages
Ethanol
The illegal per se law makes it an offense to operate a vehicle while
( Statue / Statutory )
The officer’s principal decision during the detection phase two usually is
Should i instruct the driver to exit the vehicle?
The police officers principal decision during detection phase three is
Should I arrest the operator for DWI
The word Nystagmus means
Involuntary jerking of the eyes
During the One Leg Stand Test, the subject is told to count out loud
Until told to stop
In the walk and turn test the subject is required to take nine heel to toe steps in a straight line turn around in a prescribed manner and return ___ heel to toe steps back along the lline
Nine
Which of the following is Not a standard field sobriety Test
Modified Romberg Balance
The police officers principal decision during detection Phase One is
Do i have sufficient grounds to stop this vehicle?
How many clues for arrest on HGN Test to make an arrest?
6
OLS-4
HGN-6
WAT-8
Whats the purpose for DWI Test
Devides attention simple
Phase 1
Sufficent grounds to stop
How many clues for OLS One leg stand to make an arrest
4
OLS-4
HGN-6
WAT-8
How much time is required for the one leg stand
30 Seconds
What are the 2 clues for Walk and turn ?
Start to soon and cant keep balance
Lack of smooth pursuit
2 Seconds
How many steps for walk and turn
9 steps / 9 steps return
Detection phase 1
#1 Vehicle in motion #2 Personal contact
San Diego validation study
91% SFSTS Discriminate against BAC below 0.10
Detection Phase 2
#2 Personal contact #1 Vehicle in motion
HGN test determined to be
more accurate
OLS found to be
83% accurate
Distinct and sustained
Max two clue deviation
How many seconds to get to 45 degrees?
4 seconds to get to 45 degrees
