SFSTs

Question 1

Phases of Detection

Answer 1

1.) Vehicle in motion
2.) Personal contact
3.) Pre-arrest screening

Question 2

Vehicle in motion (1 question to self, and 2 things you do during this phase)

Answer 2

1.) Initial observation of the vehicle in operation
2.) Observation of the stop

Q.) Should I stop them?

Question 3

Personal Contact (2 things to do and question to self)

Answer 3

1.) Interview
2.) Observe

Q.) Should I have the driver exit?

Question 4

Pre-arrest screening (Thing to do and question to self)

Answer 4

1.) Field sobriety test

Q.) Should I arrest this person?

Question 5

Definition of Nystagmus

Answer 5

Involuntary jerking of the eyes

Question 6

Resting Nystagmus (what happens if they have this?)

Answer 6

Cannot do the vision test due to past TBIs or health issues

Question 7

Benefits of looking for HGN

Answer 7

• Reliable
• Involuntary
• Noticeable

Question 8

What causes HGN

Answer 8

CNS Depressants, Inhalants, and Dissociative Anesthetics

Question 9

Indications of HGN (# of clues)

Answer 9

6 VALIDATIVE CLUES

• Lack of Smooth Pursuit (if in one eye, it will be in the other = 2 clues)
• Distinct and Sustained at Maximum Deviation (“”)
• Onset of Nystagmus Prior to 45 Degrees (“”)

Question 10

Can you proceed with testing during HGN to find clues?

Answer 10

NO

Must have clues in consecutive stages to proceed

Question 11

HGN (Clues required, and accuracy of clues)

Answer 11

4 out of 6 clues required

Indicates 88% accuracy of BAC 0.08 or over

Question 12

Vertical Gaze Nystagmus (Application and what it indicates)

Answer 12

Not a part of the tests, but a good indicator of PC

Can indicate other drugs in the system (get a blood warrant) or that they are very drunk for their standard

Question 13

Indications of for Walk and Turn (# of clues and the clues)

Answer 13

8 VALIDATIVE clues

B = Balance
S = Starts too soon
.
S = Stops while Walking
O = Offline (Stops offline)
.
W = Wrong number of steps
H = Heel to toe (Misses heel to toe)
A = Arms (Uses arms for balance)
T = Turn (Wrong turn)

Question 14

Walk and Turn (Clues required, and accuracy of clues)

Answer 14

2 of 8 clues required

79% accuracy detecting 0.08 BAC or greater

Question 15

Walk and Turn (2 stages)

Answer 15

• Instructional Stage
• Walking Stage (“GO” SO WHAT)

Question 16

One Leg Stand (# of clues and the clues)

Answer 16

4 VALIDATIVE CLUES

P = Puts foot down
U = Uses arms for balance
S = Sways
H = Hops

Question 17

One Leg Stand (# of clues required and accuracy)

Answer 17

• 2 of 4 required
• 83% accuracy of detecting 0.08 BAC or greater

Question 18

One Leg Stand (2 stages)

Answer 18

• Instruction stage
• Balance and counting stage

Question 19

Preliminary Breath Testing investigative process (use in court)

Answer 19

• Not admissible in court, voluntary … but helpful for building PC