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SFST

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
        Help!  

Type of alcohol contained in beverage   Ethanol  
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Illegal per se law, it is an offense to operate while   Having a statutorily prohibited blood alcohol content  
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Good structured field sobriety test   Divides the subjects attention  
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Officer's principle decision in detection phase 2   Instruct driver to exit  
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Police officer's principle decision during detection phase 3   Should I arrest the operator  
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The word nystagmus means   Involuntary jerking off the eyes  
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During the one-leg stand test the subject is told to count out loud. . .   Until told to stop  
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In the walk-and-turn test, the subject is required to take nine heel-to-toe steps out and ____ Heel To Toe steps back   9  
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The only three valid field sobriety tests   Horizontal gaze nystagmus Walk and turn One leg stand  
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Officers principle decision during detection phase one   Do I have sufficient grounds to stop this vehicle  
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Horizontal Gaze Nystagmus qualifiers   Equal pupil size No resting nystagmus Equal tracking  
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HGN test clues   Lack of smooth pursuit Distinct and sustained nystagmus at maximum deviation Onset of nystagmus prior to 45 degrees  
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HGN indicator   Vertical gaze nystagmus  
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Distance of stimulant from nose of subject   12-15 inches  
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How long do you hold for maximum deviation   At least 4 but not more than 30 seconds  
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Verbal instruction for HGN test   Put your feet together Hands at your side Keep head still Look at the stimulus Follow movement of stimulus with eyes only Keep looking at stimulus until test is over Do you understand  
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Created by: DSO Academy
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