SFST Study Guide 2026
Everything you need to pass the SFST exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.
📋 SFST Exam Format at a Glance
📚 SFST Topics to Study (63)
✍️ Sample SFST Questions & Answers
1. During court testimony, a defense attorney asks why the officer did not use a stopwatch during OLS. What is the correct NHTSA-recommended response?
NHTSA recommends that officers use a timing device to accurately measure the 30-second OLS period.
2. Implied consent laws typically require that a driver who refuses a chemical test following a failed SFST faces:
Implied consent laws impose administrative license suspension as a civil penalty for chemical test refusal.
3. The primary route of alcohol elimination from the body is through:
Approximately 90–95% of consumed alcohol is eliminated through hepatic metabolism (liver), while small amounts are excreted via breath, urine, and sweat.
4. In the SFST battery, the correct sequence for administering the three standardized tests is:
NHTSA's validated sequence is HGN first, followed by Walk-and-Turn, then One-Leg Stand.
5. Body camera footage contradicts an SFST officer's written report regarding clue counts. The most serious professional consequence could be:
Knowingly filing a false police report is a criminal offense that can result in prosecution.
6. What is the process of elimination in multiple-choice testing?
Process of elimination involves identifying and removing clearly wrong answers, increasing the probability of selecting the correct answer from remaining options.