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NC DWI DETECTION AND SFST EXAM
2026 LATEST QUESTIONS AND
ANSWERS| ACE YOUR GRADES.
1. Impairment - correct answer -One of several items used to
describe the degradation of mental and/or physical abilities
necessary for safely operating a vehicle.
2. Implied Consent Law - correct answer -Suspected DWI drivers
are deemed to have given their consent to submit to chemical
testing. If the driver fails to provide a chemical test, they can be
subject to license sanctions.
3. National Highway Traffic Safety Administration (NHTSA) -
correct answer -An administration within the United States
Department of Transportation that exercises primary
responsibility for coordinating federal efforts to ensure the safe
design and operation of motor vehicles.
4. Nystagmus - correct answer -An involuntary jerking of the eyes.
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5. One Leg Stand (OLS) - correct answer -A divided attention field
sobriety test. One of the tests administered in the SFSTs.
6. Per Se - correct answer -Used to describe a law which makes it
illegal to drive while having a certain percentage of alcohol in
the blood or breath.
7. Personal Contact - correct answer -The second phase in the
DWI detection process. In this phase the officer observes and
interviews the driver face to face; determines whether to ask
the driver to step from the vehicle; and observes the driver's
exit and walk from the vehicle.
8. Pre-Arrest Screening - correct answer -The third phase in the
DWI detection process. In this phase the officer administers
field sobriety tests to determine whether there is probable
cause to arrest the driver for DWI. Depending on the agency
policy, the officer may administer or could arrange to have a
preliminary breath test conducted.
9. Preliminary Breath Test (PBT) - correct answer -A pre-arrest
breath test administered during investigation of a possible DWI
NC DWI DETECTION AND SFST EXAM
2026 LATEST QUESTIONS AND
ANSWERS| ACE YOUR GRADES.
1. Impairment - correct answer -One of several items used to
describe the degradation of mental and/or physical abilities
necessary for safely operating a vehicle.
2. Implied Consent Law - correct answer -Suspected DWI drivers
are deemed to have given their consent to submit to chemical
testing. If the driver fails to provide a chemical test, they can be
subject to license sanctions.
3. National Highway Traffic Safety Administration (NHTSA) -
correct answer -An administration within the United States
Department of Transportation that exercises primary
responsibility for coordinating federal efforts to ensure the safe
design and operation of motor vehicles.
4. Nystagmus - correct answer -An involuntary jerking of the eyes.
, Page | 2
5. One Leg Stand (OLS) - correct answer -A divided attention field
sobriety test. One of the tests administered in the SFSTs.
6. Per Se - correct answer -Used to describe a law which makes it
illegal to drive while having a certain percentage of alcohol in
the blood or breath.
7. Personal Contact - correct answer -The second phase in the
DWI detection process. In this phase the officer observes and
interviews the driver face to face; determines whether to ask
the driver to step from the vehicle; and observes the driver's
exit and walk from the vehicle.
8. Pre-Arrest Screening - correct answer -The third phase in the
DWI detection process. In this phase the officer administers
field sobriety tests to determine whether there is probable
cause to arrest the driver for DWI. Depending on the agency
policy, the officer may administer or could arrange to have a
preliminary breath test conducted.
9. Preliminary Breath Test (PBT) - correct answer -A pre-arrest
breath test administered during investigation of a possible DWI
