BPOC Standardized Field Sobriety Tests (SFST) Practice Test

These questions are part of the practice quiz. Start practicing

• What is a common mistake subjects make during the One-Leg Stand test?
• How many inches must a person raise their arms in the Walk and Turn or One Leg Stand test to indicate a clue?
• Which of the following is a clue for the one leg stand test?
• Which physical factors can affect balance during SFSTs?
• What is the significance of the stopping sequence during the vehicle in motion phase?
• How should changes in a subject's physical condition after the test be handled?
• Which case supports the admissibility of Horizontal Gaze Nystagmus (HGN) as evidence?
• Why is it crucial to take officer field notes during a DWI investigation?
• What is the primary focus when conducting the HGN test?
• How does compliance with test instructions factor into assessments during SFSTs?
• What is the total number of clues for the one leg stand test?
• What criteria is used to assess whether the subject has passed or failed the SFST?
• What is the outcome of failing an SFST?
• How might a subject show impairment during the Walk-and-Turn test?
• How many clues are involved in the walk and turn test?
• What type of impairment does the One-Leg Stand test primarily assess?
• For how long should one hold at maximum deviation during the HGN test?
• Which of the following is a clue indicating impairment during the HGN test?
• What is the primary decision in Phase 1 of a DWI stop?
• What should an officer observe during the HGN test?
• What does BAC measure?
• For Vertical Gaze Nystagmus to be recorded, how long should it be definite, distinct and sustained for?
• Why is documentation important during SFST administration?
• During the HGN test, jerking movements of the eyes typically indicate what?
• What does HGN stand for in relation to field sobriety testing?
• Which of the following Walk and Turn cues can be scored in the instruction stage?
• Which of the following checks of the eyes is performed prior to administering HGN to assess possible medical impairment?
• What does NHTSA stand for?
• What do PBT results help to corroborate?
• Which environmental factors can potentially affect SFST performance?
• Which of the following is not a clue during the Walk-and-Turn test?
• What is the primary purpose of Standardized Field Sobriety Tests (SFST)?
• What can cause Vertical Gaze Nystagmus (VGN) during testing?
• What behavior could indicate an officer should terminate an SFST?
• The second clue of the HGN test indicates what specific behavior?
• During the Horizontal Gaze Nystagmus (HGN) test, which eye is assessed first?
• During the One-Leg Stand, what should officers discourage?
• What does the PBT law allow a police officer to do?
• In the context of DWI, what does 'impairment' refer to?
• What are the initial observations during the vehicle in motion phase (Phase 1)?
• During the instruction phase of the Walk-and-Turn test, what should an officer observe?
• What are the evidence gathering tasks in Phase 2 of a DWI investigation?
• Can an individual be charged with DWI if their BAC is below 0.08?
• What is one reason for conducting field sobriety tests?
• During the HGN test, what specific eye movement is being observed?
• Which organ is primarily responsible for metabolizing alcohol?
• Which of the following tests is considered a standard field sobriety test?
• What is considered a sign of impairment in the One-Leg Stand test?
• What physical action can indicate impairment during the One-Leg Stand test?
• What type of movement is indicative of nystagmus during the HGN test?
• Which of the following is not a validated clue for the One Leg Stand test?
• During the Walk-and-Turn test, how many steps should the subject take in a straight line?
• Which of the following is not a validated field sobriety test?
• What is a key factor in the reliability of the SFST results?
• What observation might indicate that a subject is impaired during the One-Leg Stand test?
• What should an officer observe during the administration of the one leg stand test?
• What primary question must be answered in Phase 3 of a DWI stop?
• Which of the following is NOT a visual clue to impairment?
• What is assessed during the Horizontal Gaze Nystagmus test for impairment?
• What is the role of body language during SFST observations?
• In the Walk and Turn test, how many heel to toe steps should the subject take in a straight line?
• What is a key factor to evaluate during the Walk and Turn test?
• Which of the following is NOT typically part of the SFST?
• What type of evidence is a field sobriety test considered?
• Why is it critical to follow the SFST protocol closely?
• What behavior is NOT a clue of failing the one leg stand test?
• What are the three main components of the SFST?
• What action should be taken once jerking is seen during the Onset of Nystagmus Prior to 45 Degrees test?
• How long is the subject required to maintain their raised leg during the One-Leg Stand test?
• Resting nystagmus may indicate what?
• During which test is a subject asked to stand on one leg for a period of time?
• What is the recommended position of the stylus when checking for HGN?
• What is required after an SFST indicates significant clues of impairment?
• Why is it important for officers to be standardized in field sobriety testing?
• What are the two types of clues evaluated in the One-Leg Stand test?
• What is the significance of the HGN test in assessing impairment?
• What percentage of accuracy was found for the One Leg Stand test in the San Diego study?
• What is the total number of clues evaluated in the walk and turn test?
• What must an officer ensure before starting the SFST?
• Which key factor is checked to understand a subject's performance in sobriety tests?
• What is the typical drop rate for BAC after reaching peak levels?
• What is the legal limit of Blood Alcohol Concentration (BAC) for driving in most states?
• What type of distractions should be minimized when conducting the SFST?
• What type of evidence are chemical tests classified as?
• What is the detection Phase 1 in DUI investigations?
• What is the chemical symbol for beverage alcohol?
• What should be observed during the subject's turn in the Walk-and-Turn test?
• What does a scoring of “failing to maintain balance” indicate during the Walk and Turn test?
• What is a common challenge faced when administering sobriety tests in low-light conditions?
• Which of the following best describes the consequence of exceeding the legal BAC limit?
• How can an officer assess a subject's mental state during the SFSTs?
• What is an important factor officers should account for when assessing SFST results?
• What are the two stages for the walk and turn test?
• Which of the following behaviors is typically NOT evaluated during the One Leg Stand?
• What does a subject being unable to count backwards suggest during testing?
• How many total clues can be identified in the Walk-and-Turn test?
• How can the results of SFSTs impact legal outcomes?
• Which physical actions can demonstrate clues during the One-Leg Stand test?
• What indicates a potential impairment during the Walk and Turn test?
• What should officers do if a subject cannot perform an SFST due to a physical limitation?
• What tasks are included in the evidence gathering for Phase 1 of a DWI investigation?
• Which factor does NOT typically affect the results of a field sobriety test?
• What should be done in case of conflicting information from the subject during an SFST?
• What is the importance of standardization in the SFST process?
• What is the detection Phase 2 in DUI investigations?
• At what BAC level is it typically illegal to drive in most states?
• How is the HGN test conducted in the field?
• What should an officer do if a subject displays confident balance during the One Leg Stand?
• Which factor can lead to increased nystagmus during the Horizontal Gaze Nystagmus (HGN) test?
• What type of alcohol is primarily found in alcoholic beverages?
• What is typically evaluated during a DWI investigation?
• In a field sobriety test, officers often look for signs of:
• What was addressed in the San Diego SFST Validation Study regarding SFST's?
• What is an inferred recommendation if a subject displays multiple indicators of impairment?
• In the San Diego SFST validation studies, which test was determined to be the most accurate in identifying a person with a BAC level of 0.08% or higher?
• What does the inability to perform the walk and turn test suggest?
• Why is the walk and turn test employed in a DWI assessment?
• How can an officer verify a subject's understanding of instructions?
• What is the main focus during the instructions phase of the One Leg Stand test?
• What type of drug is ETOH classified as?
• What does HGN stand for in the context of SFST?
• Which test includes instructions, heel-to-toe walking, and return walk?
• What is the primary goal of administering standardized field sobriety tests?
• Which of the following could impact a subject's performance on SFSTs aside from drugs or alcohol?
• Why is rephrasing instructions beneficial during SFSTs?
• What is the primary purpose of the SFST validation studies?
• Which tasks are mandated in Phase 3 of evidence gathering in DWI investigations?
• What percentage did the San Diego study find for a 3 test battery at a BAC of 0.08?
• In a standard SFST, what does swaying during the One-Leg Stand indicate?
• What does the term 'BAC' stand for in relation to driving?
• What is the primary role of the officer during the SFST?
• Which indicator might suggest a subject has a high level of intoxication?
• During SFSTs, what is the primary purpose of the officer's observations?
• What does a jerking motion in the eyes during HGN test indicate?
• Why is the timing of tests significant after a stop?
• What could indicate a lack of understanding during SFST instructions?
• What is the purpose of the Standardized Field Sobriety Tests?
• What is one purpose of the One Leg Stand Test?
• What does the acronym "DUI" stand for?
• What should an officer do if they notice a subject displaying unusual behavior?
• What are the elements of the basic DWI law?
• What are the three stages of the Walk-and-Turn test?
• What are the clues associated with the Walk-and-Turn test?
• What does "HGN" stand for in the context of field sobriety tests?
• How many seconds are required for observing lack of smooth pursuit during the HGN test?
• What are the specific clues evaluated in the HGN test?
• In Phase 2 of a DWI stop, what is the main consideration after the vehicle has been stopped?
• What does a subject’s inability to follow simple instructions suggest?
• What was the percentage of accuracy for the San Diego study in the Walk and Turn test?
• How many clues must be present to indicate impairment during the HGN test?
• How long is a subject timed during the one leg stand test?
• What percentage accuracy did the San Diego study produce for the HGN test at a 0.08 BAC?
• What is a sign of poor balance during the Walk-and-Turn test?
• When checking for the Onset of Nystagmus Prior to 45 Degrees, how long should the stimulus be moved side to side?
• What should be done if a subject expresses disagreement with test outcomes?
• Why might additional testing be required after initial SFSTs?
• What cognitive ability is particularly tested when asking a subject to count backwards during an SFST?
• What is the first step in the HGN test process?
• Are the results of a Preliminary Breath Test (PBT) admissible in court?
• What must be done if a subject doesn’t understand the instructions for an SFST?
• What is the effect of taking a breathalyzer test during a traffic stop?
• What can lead to false positive results in SFST?
• Which of the following actions is a sign of failing the walk and turn test?
• Alcohol primarily impairs the ability to do what?
• In how many phases is the Walk-and-Turn test divided?
• What are the two stages involved in the One Leg Stand test?
• What is the meaning of the implied consent law?
• How many steps should a subject take while returning in the Walk and Turn test?
• What factors might influence the accuracy of an SFST aside from alcohol?
• What is the primary purpose of the SFSTs?
• Which of the following is a sign of stress or anxiety during SFST?
• Why might an officer conduct an SFST at the roadside?
• Why is giving clear instructions important in SFSTs?
• In the context of SFSTs, what is the significance of the Walk-and-Turn test?
• What is the definition of Nystagmus in the context of field sobriety tests?
• What is the primary purpose of the Standardized Field Sobriety Tests (SFST)?
• What does the illegal per se law imply regarding blood alcohol content (BAC)?
• In a litigious environment, what could an improper SFST compromise?
• What is a common oversight officers should avoid during SFST?
• What is the minimum number of clues required to indicate impairment on the Walk and Turn test?
• DWI evidence is predominantly which type of data?
• What is one of the first signs of impairment often observed by officers?
• What is the significance of the instruction phase in the Walk-and-Turn test?
• What does DWI detection involve?
• Which senses are utilized by an officer during a face-to-face contact assessment?
• What is the standard of proof required in a DWI case?
• How many total clues are there for the walk and turn test?
• Which of the following clues would indicate failure in the walk and turn test?
• In which position should the officer stand while administering SFST?
• What can an elevated heart rate during SFSTs indicate?
• How is the accuracy of field sobriety tests generally measured?
• How many clues are assessed during the Horizontal Gaze Nystagmus (HGN) test?
• What distinguishes clues from cues in DWI investigations?
• What potential obstacles should an officer consider during the SFST?
• Why is it important to assess nystagmus angles in the HGN test?
• What is the maximum duration for the One-Leg Stand test?
• Which of the following is NOT a clue for the Walk-and-Turn test?