ANSWERS 2024
How many validated clues have been established for the HGN test? - ANSW//Six clues one per eye.
What is considered good structured field sobriety test? - ANSW//Simple and divides the subjects
attention.
What is the officers principle decision during the detection phase one? - ANSW//Do I have
sufficient grounds to stop this vehicle?
What is the maximum number of clues for the HGN that can appear in one eye? - ANSW//Three
clues.
What is resting nystagmus an indicator of? - ANSW//A pre-existing medical condition.
Which of the following walk and turn clues can be scored in the instruction stage? -
ANSW//Cannot keep balance and starts to soon.
What four things should the subject be reminded of just before starting walk and turn? -
ANSW//Keep your hands to your side, look at your feet, count out loud, and do not stop once you
start.
When checking for lack of smooth pursuit how long should it take to move the stimulus from
side to side? - ANSW//Two seconds.
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 how many steps? - ANSW//Nine steps back.
Which of the following is not validated field sobriety test? - ANSW//Modified Romberg balance.
, What is detection phase one called? - ANSW//Vehicle in motion.
What is detection phase two called? - ANSW//Personal contact phase.
For vertical gaze nystagmus to be recorded what are you looking for? - ANSW//Distinct and
sustained nystagmus at maximum deviation.
How long should you sustain the stimulus at maximum deviation for horizontal or vertical? -
ANSW//A minimum of four seconds.
What is the type of alcohol contained in alcoholic beverages? - ANSW//Ethyl.
The illegal per se law makes it an offense to operate a vehicle while? - ANSW//Having a statutorily
prohibited BAC level.
What is considered good structured field sobriety test? - ANSW//Simple and divides the subjects
attention.
What is the officer's principle decision during the detection phase two? - ANSW//Should I instruct
the driver to exit the vehicle?
What is the officers principle decision during detection phase three? - ANSW//Should I arrest the
suspect?
What is the definition of nystagmus? - ANSW//Involuntary jerking of the eyes.
During the one leg stand test, how long is the subject told to count out loud? - ANSW//Until told to
stop.