CLEET SFST TEST QUESTIONS WITH CORRECT ANSWERS LATEST UPDATE 2026
What does HGN stand for? - Answers Horizontal gaze nystagmus
Horizontal Gaze Nystagmus definition - Answers The involuntary jerking of they eyes as they gaze to
the side
What does VGN stand for? - Answers Vertical Gaze Nystagmus
What is the enzyme in the liver that assists in the metabolism of alcohol? - Answers Alcohol
Dehydrogenase
Which organ of the body does most of the metabolism of the alcohol take place? - Answers Liver
What is the valve at the base of the small intestine and the stomach that open/ closes allowing food
to digest - Answers pylorus or pyloric valve
Due to metabolism,the average persons BAC drops about ______ per hour - Answers 0.015
What produces alcohol naturally? - Answers Fermentation
Fermentation produces ____ % ethanol concentration. After this, the yeast ____. - Answers 14%
Dies
what is the process in which alcohol is produced in concentration amounts? - Answers Distillation
There are three types of alcohol and they are - Answers Ethanol- beverage
Methanol-fuel
Isopropranol-Rubbing alcohol
what alcohol is for human consumpton - Answers Ethanol
What 3 molecules make up alcohol? - Answers Hydrogen
Carbon
Oxygen
What percentage of alcohol passes through the stomach walls? - Answers 20%
What percentage passes through the small intestine? - Answers 80%
We can speed up metabolism of alcohol by drinking coffee and taking a cold shower - Answers False
It is _______ fo any person to ________or be in___________ of a motor vehicle within this _______
while under the _____ of alcohol and/ or _____ - Answers It is unlawful for any person
To operate or be in actual physical control
Of any vehicle
Within this state
While under the influence of alcohol and/or any drug
Illegal Per Se statute states - Answers It is unlawful for any person to operate or be in actual physical
control of a motor vehicle within this Statewhile having a BAC Over states level
Drivers must submit to a chemical tests. The law provides penalties for refusal to submit to the test.
License may be suspended or revoked if the refusal is found to be unreasonable - Answers
There are hoe many phases to a DUI detection? - Answers 3
Phase one? - Answers Vehicle in motion
Vehicle in motion has how many tasks? - Answers 2
Name the 1ST task for Phase one? - Answers Initial observation of the vehicle in motion
Name the 2nd task - Answers observation of the stop
What is the question you ask for Phase ONE? - Answers Should i stop the vehicle?
What is Phase Two? - Answers Personal Contact
Personal contact has how many tasks? - Answers 2
What is the 1ST task of Phase Two? - Answers Interview and observation of the driver
2nd task of phase two? - Answers Observation of the exit
What question do you ask yourself for phase two? - Answers Should i have the driver exit?
What is phase Three? - Answers Pre-Arrest screening
How many task for pre arrest screening? - Answers 2
What is the frist task for phase 3? - Answers sfst
What is task 2 for phase 3? - Answers Preliminary Breath Test (PBT)
What question should you ask yourself for Phase 3? - Answers Should i arrest
If you arrest...what is this decision based upon?> - Answers All evidence accumulated during all three
detection phases
A good, structured field sobriety test is simple and _____ - Answers divide the subjects attention
Inn the original studies(NHTSA) what percentage of accuracy is the HGN? - Answers 77%
Inn the original studies(NHTSA) what percentage of accuracy is the HGN? - Answers 68
What does HGN stand for? - Answers Horizontal gaze nystagmus
Horizontal Gaze Nystagmus definition - Answers The involuntary jerking of they eyes as they gaze to
the side
What does VGN stand for? - Answers Vertical Gaze Nystagmus
What is the enzyme in the liver that assists in the metabolism of alcohol? - Answers Alcohol
Dehydrogenase
Which organ of the body does most of the metabolism of the alcohol take place? - Answers Liver
What is the valve at the base of the small intestine and the stomach that open/ closes allowing food
to digest - Answers pylorus or pyloric valve
Due to metabolism,the average persons BAC drops about ______ per hour - Answers 0.015
What produces alcohol naturally? - Answers Fermentation
Fermentation produces ____ % ethanol concentration. After this, the yeast ____. - Answers 14%
Dies
what is the process in which alcohol is produced in concentration amounts? - Answers Distillation
There are three types of alcohol and they are - Answers Ethanol- beverage
Methanol-fuel
Isopropranol-Rubbing alcohol
what alcohol is for human consumpton - Answers Ethanol
What 3 molecules make up alcohol? - Answers Hydrogen
Carbon
Oxygen
What percentage of alcohol passes through the stomach walls? - Answers 20%
What percentage passes through the small intestine? - Answers 80%
We can speed up metabolism of alcohol by drinking coffee and taking a cold shower - Answers False
It is _______ fo any person to ________or be in___________ of a motor vehicle within this _______
while under the _____ of alcohol and/ or _____ - Answers It is unlawful for any person
To operate or be in actual physical control
Of any vehicle
Within this state
While under the influence of alcohol and/or any drug
Illegal Per Se statute states - Answers It is unlawful for any person to operate or be in actual physical
control of a motor vehicle within this Statewhile having a BAC Over states level
Drivers must submit to a chemical tests. The law provides penalties for refusal to submit to the test.
License may be suspended or revoked if the refusal is found to be unreasonable - Answers
There are hoe many phases to a DUI detection? - Answers 3
Phase one? - Answers Vehicle in motion
Vehicle in motion has how many tasks? - Answers 2
Name the 1ST task for Phase one? - Answers Initial observation of the vehicle in motion
Name the 2nd task - Answers observation of the stop
What is the question you ask for Phase ONE? - Answers Should i stop the vehicle?
What is Phase Two? - Answers Personal Contact
Personal contact has how many tasks? - Answers 2
What is the 1ST task of Phase Two? - Answers Interview and observation of the driver
2nd task of phase two? - Answers Observation of the exit
What question do you ask yourself for phase two? - Answers Should i have the driver exit?
What is phase Three? - Answers Pre-Arrest screening
How many task for pre arrest screening? - Answers 2
What is the frist task for phase 3? - Answers sfst
What is task 2 for phase 3? - Answers Preliminary Breath Test (PBT)
What question should you ask yourself for Phase 3? - Answers Should i arrest
If you arrest...what is this decision based upon?> - Answers All evidence accumulated during all three
detection phases
A good, structured field sobriety test is simple and _____ - Answers divide the subjects attention
Inn the original studies(NHTSA) what percentage of accuracy is the HGN? - Answers 77%
Inn the original studies(NHTSA) what percentage of accuracy is the HGN? - Answers 68
