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TLETA WEEK 9 – QUESTIONS AND ANSWERS
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TLETA WEEK 9 – QUESTIONS AND ANSWERS
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TLETA WEEK 9 – QUESTIONS AND ANSWERSHow many validated clues have been established for the HGN test?
Correct Ans - Six clues one per eye.
What is considered good structured field sobriety test? Correct Ans -
Simple and divides the subjects attention.
What is the officers principle decision during the detection phase one?
Correct Ans - 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? Correct Ans - Three clues.
What is resting nystagmus an indicator of? Correct Ans - A pre-
existing medical condition.
Which of the following walk and turn clues can be scored in the instruction
stage? Correct Ans - Cannot keep balance and starts to soon.
What four things should the subject be reminded of just before starting
walk and turn? Correct Ans - 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? Correct Ans - 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? Correct Ans - Nine steps back.
Which of the following is not validated field sobriety test? Correct Ans
- Modified Romberg balance.
What is detection phase one called? Correct Ans - Vehicle in
motion.
What is detection phase two called? Correct Ans - Personal contact
phase.
, For vertical gaze nystagmus to be recorded what are you looking for?
Correct Ans - Distinct and sustained nystagmus at maximum deviation.
How long should you sustain the stimulus at maximum deviation for
horizontal or vertical? Correct Ans - A minimum of four seconds.
What is the type of alcohol contained in alcoholic beverages? Correct
Ans - Ethyl.
The illegal per se law makes it an offense to operate a vehicle while?
Correct Ans - Having a statutorily prohibited BAC level.
What is considered good structured field sobriety test? Correct Ans -
Simple and divides the subjects attention.
What is the officer's principle decision during the detection phase two?
Correct Ans - Should I instruct the driver to exit the vehicle?
What is the officers principle decision during detection phase three?
Correct Ans - Should I arrest the suspect?
What is the definition of nystagmus? Correct Ans - Involuntary
jerking of the eyes.
During the one leg stand test, how long is the subject told to count out
loud? Correct Ans - Until told to stop.
What is the recommended position of the stimulus for checking HGN?
Correct Ans - Twelve to fifteen inches away slightly above the nose.
The one leg stand test is what percent accurate? Correct Ans -
Eighty three.
What is the definition of Horizontal gaze nystagmus? Correct Ans -
Involuntary jerking of the eyes, occurring as they gaze from side to side.
What are the 3 things you check for during the medical assessment of HGN?
Correct Ans - Equal pupil size, Resting nystagmus, and Equal tracking?
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