SFST Exam Questions With Correct Answers

SFST Exam Questions With Correct Answers San Diego Percentages - Correct Answer San Diego FST validation—NHSTA accurate a. HGN was 88% b. WAT 79% c. OLS 83% 3 tests for possible DUI - Correct Answer 1) Horizontal Gaze Nystagmus (HGN) 2) One Leg Stand (OLS) 3) Walk and Turn (WAT) Most reliable FST - Correct Answer Horizontal Gaze Nystagmus NHTSA 3 Phases - Correct Answer Phase 1: Vehicle in motion - Stop the car? Phase 2: Personal Contact - SFST testing? Phase Three: Pre-arrest Screening - Arrest? Common symptoms of alcohol influence - Correct Answer A. .03 slowed Reaction B. .05 Impaired Judgement C .08 Impaired vision D. .10 Poor coordination Horizontal Gaze Nystagmus (HGN)-Steps and Clues - Correct Answer 3 clues per eye-IN ORDER *(4 min)* 1. Lack of smooth pursuit 2. Distinct and sustained nystagmus at maximum deviation 3. Onset of nystagmus prior to 45 degrees One Leg Stand (OLS)--Two Stages - Correct Answer I. Instructions Stage 1. Stand straight, feet together 2. Keep arms at sides 3. Maintain position until told otherwise --