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

As fast as the subject's eyes can follow

Answer

Approximately 4 seconds from center to side

Answer

The officer determines speed based on subject's impairment level

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

The subject is wearing athletic shoes

Answer

The subject is a licensed driver

Answer

The subject denies alcohol consumption

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

Swaying

Answer

Hopping

Answer

Uses arms for balance

Question 4

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

Accepted Answer

30 seconds

Answer

20 seconds

Answer

25 seconds

Answer

45 seconds

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

The subject faces oncoming traffic for visibility

Answer

Headlights are turned off to avoid glare affecting HGN

Answer

Tests are administered inside the patrol vehicle for safety

Question 6

During the HGN test, at what angle from center does the officer check for distinct and sustained nystagmus at maximum deviation?

Accepted Answer

At the point where the iris is no longer visible

Answer

At 30 degrees

Answer

At 45 degrees

Answer

At 60 degrees

Question 7

If a subject refuses to perform all three standardized field sobriety tests, the officer should:

Accepted Answer

Document the refusal and rely on other observed indicators

Answer

Release the subject since no evidence was gathered

Answer

Physically force the subject to complete the tests

Answer

Administer only the HGN since it requires no subject cooperation