Standardized Field Sobriety Test (SFST) Practice Test

These questions are part of the practice quiz. Start practicing

• What type of stimulation causes Caloric Nystagmus?
• Why is it significant that men and women can exhibit different BAC levels after drinking the same amount?
• What is a common response of a suspect that may indicate impairment during a traffic stop?
• What type of field sobriety test is the Walk-and-Turn classified as?
• Why might an individual refuse to participate in the SFST?
• Optokinetic Nystagmus occurs under which condition?
• In the One-Leg Stand SFST, what does "P" stand for in the acronym PUSH?
• During the Walk-and-Turn test, what is the proper number of steps taken in one direction?
• What is a cue that may indicate a driver is under the influence during a traffic stop?
• Which of the following studies showed the highest percentage of correct arrest decisions based on the 3-test battery?
• In typical enforcement jurisdictions, how many DWI violations typically result in an arrest?
• What three elements are present in every chemical classified as an "alcohol"?
• Which of the following is NOT a clue observed during the One-Leg Stand test?
• What does an officer primarily rely on during the SFST?
• Which nystagmus type does not impact Standard Field Sobriety Tests?
• What is assessed during the Horizontal Gaze Nystagmus (HGN) test?
• What is one of the Phase One tasks in the Standardized Field Sobriety Test?
• In the Walk-and-Turn, what is a common action that indicates a lack of balance?
• What is the minimum age recommended for most SFST evaluations?
• Which step involves checking both pupils for equal size during the HGN test?
• The PBT law permits a police officer to request a driver suspected of DWI to _____________.
• What natural process is used to produce beverage alcohol?
• Which of the following might be a sign of a DWI violation during a vehicle stop?
• Which system regulates balance in the body?
• How does one’s footwear affect the SFST performance?
• Which principle does the SFST adhere to for consistency and reliability?
• What element is NOT a part of the Basic DWI Law?
• What aspect of the Walk-and-Turn test is critical for accuracy?
• What happens to the blood alcohol concentration (BAC) after achieving its peak?
• At what rate does BAC typically drop per hour after reaching its peak?
• At what degree does the onset of nystagmus typically occur during the HGN test?
• The three phases in a typical DWI contact are:
• What are the common abbreviations used for clues in the Walk-and-Turn test?
• What is the accuracy percentage of the Walk-and-Turn (WAT) test when used alone?
• Which of the following tests remains the most reliable of the 3-test battery?
• In Phase One, the officer usually has an opportunity to ____________.
• During which stage of the Walk-and-Turn must the suspect count out loud?
• What type of nystagmus occurs when a person is spun around or rotated rapidly?
• What does HGN stand for in the context of the Standardized Field Sobriety Test?
• What is a possible indicator of a driver’s lack of response during a stop?
• What is the primary site for alcohol absorption in the body?
• Caloric Nystagmus is stimulated by what kind of environmental change?
• Why is the One-Leg Stand test particularly challenging for older adults?
• Which of the following is NOT one of the four clues observed during the HGN test?
• In the context of the Standardized Field Sobriety Test, what does impaired balance suggest?
• What training is required for officers to conduct SFST?
• How many different outcomes can a major decision made by the officer have?
• Why is the One-Leg Stand test particularly challenging for some individuals?
• According to original research, how many clues detected in the One-Leg Stand suggest a BAC above 0.10?
• How is the reliability of the SFST assessed?
• Which of the following actions is a clue for the Walk-and-Turn test?
• True or False: The average woman contains more water than the average man pound-for-pound.
• What is an example of a physical cue reinforcing suspicion of DWI?
• In the One-Leg Stand, for how many seconds must the suspect keep their foot elevated?
• According to the original research, the Walk-and-Turn test can determine a suspect's BAC is above or below 0.10 what percent of the time?
• What behavior might indicate a subject is impaired during the SFST?
• Why is it crucial to conduct an SFST in a non-distracting environment?
• What is the primary purpose of the Standardized Field Sobriety Tests?
• What happens if a driver refuses to submit to chemical testing under the Implied Consent Law?
• What action would indicate the suspect is invalidating the One-Leg Stand test?
• Which type of nystagmus is influenced by watching contrasting moving objects?
• What does the Illegal Per Se Law establish?
• What is the significance of research findings regarding SFST?
• True or False: Alcohol is primarily absorbed in the stomach.
• What percentage of the time did the Colorado SFST validation study show corrected arrest decisions based on the 3-test battery?
• Can emotional state influence the results of the SFST?
• In Phase Two of a DWI detection, what must the officer determine?
• How often should officers be trained in administering the SFST?
• Distillation is primarily used in which context in beverage alcohol production?
• What type of instructions are generally given during the SFST?
• If DWI is a criminal offense, the standard of proof is ____________.
• Which type of nystagmus produces extremely minor tremors that are often undetectable?
• Which of the following is NOT a clue during the Walk-and-Turn test?
• Under what condition should the results of the chemical test be included in the officer's testimony?
• What three types comprise gaze nystagmus?
• In which organ does most alcohol metabolism occur?
• What is the main psychological principle behind the SFST?
• What does the term "proof" of an alcoholic beverage refer to?
• Which of these behaviors could strengthen a DWI suspicion during the stopping sequence?
• Which of the following best describes the One-Leg Stand test?
• When does testimony preparation begin for officers involved in DWI incidents?
• What changes were made to the SFST procedures in recent updates?
• Which test has the lowest accuracy rate among the three tested in isolation?
• Which of the following is a clue that indicates a suspect cannot maintain balance while listening to instructions during the Walk-and-Turn test?
• Which type of conditions should an officer document during an SFST?
• What should officers avoid when giving instructions during the SFST?
• What is a key component to ensure the integrity of the SFST?
• What is required of the suspect's eyes during the HGN test instructions?
• What indicates a "pass" in the Walk-and-Turn test?
• How many clues does a suspect exhibit if they sway during the One-Leg Stand test?
• Blood alcohol concentration measures what?
• Is the SFST limited to just alcohol impairment evaluations?
• True or False: Alcohol absorption is faster when a person is well-hydrated.
• What is one key observation during the Walk-and-Turn test?
• In the Florida SFST field validation study, correct arrest decisions were made what percentage of the time based on the 3-test battery?
• What is a key characteristic of the horizontal gaze nystagmus test?
• What does NHTSA emphasize regarding the SFST's validity?
• How does the SFST contribute to DUI enforcement?
• What may impact a subject’s performance on field sobriety tests apart from alcohol?
• What impaired ability may be observed at a BAC level of 0.10?
• A score of 2 or more clues in the HGN test suggests what about the subject?
• Which clue indicates a suspect sways while balancing during the One-Leg Stand test?
• What does the task of standing on one leg assess in the context of the SFST?
• Which of the following is NOT a common sign of alcohol influence during Phase One?
• What type of response is commonly impaired in individuals with a high blood alcohol content?
• Which of the following symptoms indicates a BAC of 0.03?
• During which stage of the One-Leg Stand must the suspect maintain balance for 30 seconds?
• Which agency developed the SFST curriculum?
• What does divided attention refer to in the context of alcohol impairment?
• How long must a subject stand on one leg during the One-Leg Stand test?
• What type of assessment does the SFST provide?
• In the context of SFST, which type of nystagmus is most commonly evaluated?
• How many clues are required for the Walk-and-Turn test to suggest a potential BAC above 0.10?
• Which medical conditions can affect the performance of the SFST?
• What type of attention impairment is commonly associated with alcohol consumption?
• The Walk-and-Turn test may not be valid for individuals older than what age?
• During the Horizontal Gaze Nystagmus test, when does the nystagmus onset occur?
• During the One-Leg Stand, how long is the suspect timed for the balance?
• During the HGN test, what signifies that a subject may be over the legal limit for alcohol?
• What percentage accuracy does Horizontal Gaze Nystagmus (HGN) achieve by itself?
• What does a raised arm indicate during the Walk-and-Turn test?
• In the Walk-and-Turn test, how many distinct clues does a suspect produce if they step off the line twice and raise their arms for balance twice?
• Which alcohol is characterized by the chemical name 'ethyl'?
• What is the expected behavior if a subject is cooperative during the SFST?
• How should the Walk-and-Turn test be initiated?
• During the detection process, officers must determine if there is sufficient evidence to establish what?
• How does the Walk-and-Turn test assess cognitive function?
• Why do police officers need a system for recording field notes during DWI investigations?
• Which of these is NOT an observed cue when assessing for DWI during a stop?
• How far should the stimulus be placed from the suspect’s nose during the HGN test?
• What type of nystagmus may indicate the presence of a dissociative anesthetic drug such as PCP?
• What is the primary component measured to assess intoxication level?
• At what Blood Alcohol Concentration (BAC) level does HGN support arrest decisions?
• What is the primary purpose of the Standardized Field Sobriety Test (SFST)?
• Which of the following is NOT one of the three clues in the Horizontal Gaze Nystagmus test?
• What type of evidence is primarily used in DWI investigations?
• What is an important sign of a subject's comprehension during the SFST?
• Which process is used to produce high-concentration beverage alcohol?
• Why is documentation essential after administering the SFST?
• What should an officer do if the subject presents a medical issue during the SFST?
• How accurate is the One-Leg Stand (OLS) test when conducted by itself?
• What is the main purpose of the Implied Consent Law?
• What is a common use for isopropyl alcohol?
• DWI detection is defined as ______________.
• Which factors can influence the accuracy of the SFST?
• Which type of nystagmus occurs shortly after stopping spinning?
• Before beginning the SFST, what must the officer ensure?
• Positional Alcohol Nystagmus occurs due to what factor in the vestibular system?
• Phase Three may not occur if ________________.
• How many times a year does the average DWI violator commit their violation?
• During an investigation, which behavior could indicate a driver is intoxicated?
• Which of the following is considered beverage alcohol?
• Which phase is characterized by direct interaction between the officer and the driver?
• What is the main purpose of the PBT test?
• PBT results are used to help determine ______________.
• What percentage of the alcohol consumed is absorbed by the small intestine?
• Under the Implied Consent Law, chemical test evidence is __________ evidence.
• What is the maximum number of clues for the Horizontal Gaze Nystagmus that can appear in one eye?
• Which of the following exercises is NOT part of the standard exercises in the SFST?
• By combining HGN and WAT, what percentage accuracy can be achieved?
• Which of the following is a clue tested in the Walk-and-Turn test?
• What aspect does the SFST largely focus on when assessing a driver?
• What should officers do immediately after performing an SFST?
• What is a critical instruction given to subjects during the Walk-and-Turn test?
• What role does the visibility of the testing area play in the SFST?
• If a man and a woman each weigh 160 pounds and have the same BAC of 0.10 after two hours, what is likely true?
• Which of the following best describes the purpose of the SFST?
• Which BAC range is considered acceptable for not recommending the SFST?
• What is the significance of the phrase "heel-to-toe" during the Walk-and-Turn test?
• What should the suspect do with their arms during the One-Leg Stand test?
• Can alcohol pass directly through the stomach walls into the bloodstream?
• What is the expected response of the eyes during a successful HGN test?
• What should officers do to prepare their testimony just before a trial?
• How is nystagmus indicated during the HGN test?
• During the One-Leg Stand, which of the following actions signifies clues of impairment?
• What percentage of drivers with a BAC of .10 to .20 were arrested in the Fort Lauderdale study?
• What technique is used to calculate the angle of the eyes in the HGN test?
• Horizontal Gaze Nystagmus is characterized by what behavior of the eyes?
• What does nystagmus refer to in the context of field sobriety tests?
• At what BAC level is poor coordination typically observed?
• Which of the following is NOT a characteristic of methyl alcohol?
• The purpose of the Implied Consent Law is ______________.
• Which of the following statements is true about water content in men and women?
• During the stopping sequence, what is an indication that a driver is likely impaired?
• What must officers ensure regarding the suspect's feet during the Walk-and-Turn test?
• According to original research, the One-Leg Stand can determine a suspect's BAC is above or below 0.10 what percent of the time?
• How long does it take for the average 175-pound man to metabolize the alcohol in one 12-ounce can of beer?
• How can environmental factors impact the SFST?
• What is the maximum blood alcohol concentration level associated with increased risk-taking behavior?
• What type of evidence does a successful PBT result provide?
• How can fatigue affect the outcomes of the SFST?
• What percentage of correct arrest decisions was shown by the San Diego SFST validation field study based on the 3-test battery?
• What muscle controls the passage from the stomach to the lower gastrointestinal tract?
• What is the main purpose of conducting SFSTs?
• What does PAN 2 refer to in the context of vestibular disturbances?
• At what blood alcohol concentration level is impaired vision typically noticed?
• Which behavior might reinforce suspicion of DWI when observing a motor vehicle?
• Can an officer administer the SFST during inclement weather?
• What is the chemical symbol for beverage alcohol?
• What is a requirement for the surface on which the Walk-and-Turn test should be conducted?
• What are some common distractions that may affect SFST performance?
• How many standard exercises are included in the Standardized Field Sobriety Test?
• What is the reason for Fatigue Nystagmus beginning?
• What percentage of the time can the HGN test determine if a suspect's BAC is above 0.10?
• What does the term "Illegal Per Se Law" refer to?
• In the Walk-and-Turn test, how many steps must the suspect take in each direction?
• If a suspect raises their arms, hops, and puts their foot down during the One-Leg Stand, how many clues do they exhibit?
• The Illegal Per Se Law makes it unlawful to ______________.
• What condition results from fluid in the vestibular system being disturbed due to rapid spinning?
• What is the significance of the Colorado SFST validation study?
• What behavior may indicate an impairment during vehicle operation?
• What is the maximum number of seconds a person with a BAC above 0.10 can maintain balance according to original research?
• What action is required from the suspect before the One-Leg Stand test begins?
• How should the officer’s testimony be organized in court?
• Which of the following is a component of the Walk-and-Turn?
• What is the maximum number of clues that can be obtained from the Lack of Smooth Pursuit test in the HGN?
• What enzyme is primarily responsible for aiding the metabolism of alcohol?
• Why is standardization important in the SFST?