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Sfst Actual Exam Questions And Correct Detailed Answers (Verified Answers).Docx

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SFST ACTUAL EXAM QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS).docx

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SFST ACTUAL EXAM QUESTIONS
AND CORRECT DETAILED ANSWERS
(VERIFIED 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?

, SFST ACTUAL EXAM QUESTIONS
AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS)
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

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