SFST Test Administration 2

Question 1

When administering the HGN test, what is the correct speed for moving the stimulus across the subject's visual field during smooth pursuit?

Accepted Answer

Approximately 2 seconds from center to side

Answer

NHTSA standardizes smooth pursuit passes at approximately 2 seconds from center to the side of the visual field.

Question 2

Which condition would make it inappropriate to use the Walk-and-Turn test on a subject?

Accepted Answer

The subject is over 65 years of age

Answer

NHTSA notes that subjects over 65, those with leg injuries, or those with inner ear disorders may have difficulty with the WAT regardless of impairment.

Question 3

During the One-Leg Stand, which clue is recorded when the subject puts their raised foot down before the count is complete?

Accepted Answer

Puts foot down

Answer

Puts foot down is the specific NHTSA clue recorded when the subject lowers their raised foot before being instructed to stop.

Question 4

What is the NHTSA-standardized count duration for the One-Leg Stand test?

Accepted Answer

30 seconds

Answer

The subject is instructed to count aloud while standing on one leg for 30 seconds per NHTSA protocol.

Question 5

When positioning a subject for field sobriety tests at night, the officer should ensure:

Accepted Answer

The subject is on a level, non-slippery surface away from traffic

Answer

NHTSA requires a reasonably level, non-slippery surface away from traffic hazards for valid and safe test administration.

(SFST) Standardized Field Sobriety Testing Certified Practice Test

(SFST) Standardized Field Sobriety Testing Certified Practice Test

SFST Test Administration 2