SFST Exam Latest 2024 Already Graded A

SFST Exam Latest 2024 Already Graded A Per Se Limits for Alcohol and Marijuana 0.08 BAC 5 nanograms per ml of blood 3 Types of Alcohol - Methanol - Isopropanol - Ethyl 2 approaches to DUI - Prevention - Deterrence BAC drops at what rate? About 0.015 per hour What is BAC measured as? Number of grams of alcohol found in 100 ml of blood Phase 1 - Vehicle in Motion - "Should I stop the vehicle" Phase 1: Pre-stop Clues - Problems maintaining lane position - Speeding and braking problems - Vigilance problems - Judgements problems Phase 2 - Personal contact - "Should I have the driver exit the vehicle?" - What do you hear, see, smell? Phase 3 - Field Sobriety Testing - "Should I arrest?" Nystagmus "The involuntary jerking of the eyes" Horizontal Gaze Nystagmus - Need 4 out 6 clues, 3 per eye - 88% accurate detecting 0.08 BAC or higher HGN Clues - Lack of smooth tracking - Distinct and sustained at Maximum Deviation - Onset of Nystagmus Prior to 45 degrees HGN Pre-Check - Equal Pupil Size - Resting Nystagmus - Equal Tracking HGN: position of stimulus to eyes 12-15 inches and slightly above eye level Field Sobriety Testing should be ___ and ___. - simple - divide attention Walk and Turn - Divided Attention - Need 2 out of 8 Clues - 79% accurate detecting 0.08 BAC and higher Walk and Turn Clues - Balance during instructions - Starts too soon - Stops while walking - Offline (steps off line) - Wrong number of steps - Heel-to-toe steps are not maintained (.5 inches) - Arms are used to balance - Turn is done improperly One Leg Stand - Divided attention test - 83% accurate at detecting 0.08 BAC or higher - Need 2 out of 4 validated clues OLS Clues - Down (puts foot on ground) - Arms are used to balance - Sways while balancing - Hopping (needs to actually hop) 3 Test SFSTs Studies and their correct arrest percentages - Florida 95% - San Diego 91% - Colorado 86%