SFST Evaluation Factors

Question 1

Which of the following is NOT one of the three main components of SFST?

Accepted Answer

Breathalyzer test

Answer

Horizontal Gaze Nystagmus (HGN)

Answer

Walk-and-Turn (WAT)

Answer

One-Leg Stand (OLS)

Question 2

The Horizontal Gaze Nystagmus (HGN) test measures what?

Accepted Answer

Eye movements to detect impairment

Answer

Balance and coordination

Answer

Walking ability

Answer

Ability to follow instructions

Question 3

What is the purpose of the Walk-and-Turn (WAT) test?

Accepted Answer

To test the subject's balance and coordination while walking

Answer

To check the subject's ability to remember instructions

Answer

To measure the subject's reaction time

Answer

To assess eye movements

Question 4

What is a key sign of impairment observed during the One-Leg Stand (OLS) test?

Accepted Answer

Inability to balance on one foot

Answer

Difficulty keeping the eyes open

Answer

Sweating excessively

Answer

Rapid speech

Question 5

Which of the following factors can affect the accuracy of the SFST results?

Accepted Answer

Environmental conditions like weather or lighting

Answer

The subject's gender

Answer

The color of the subject’s clothing

Answer

The time of day