Methoanol
Ethanol
Isopropanol
Butyl
Having a statutorily prohibited blood alcohol content
Under the influence of alcohol and/or drugs
Impaired by alcohol or drugs to the slightest degree
Having consumed any alcohol (if the operator is a minor)
Focuses the subject's attention
Divides the subject's attention
Captures the subjects attention
Interrupts the subjects attention
Should I arrest the operator for DWI
Is this person the operator of the vehicle
Do I have sufficient grounds to request a chemical test
Should I instruct the driver to exit the vehicle
Do I have sufficient grounds to request a chemical test
Should I arrest the operator for DWI
Is the person the operator of the vehicle
Should i instruct the driver to exit the vehicle
Involuntary jerking of the eyes
Eyes unable to move independently of the head
Gaze fixation ablity
Impaired pupillary contraction ("alcohol dilation effect")
Very slowly
For thirty seconds
Until told to stop
To thirty by one-thousands
Eight
As many as they want
Nine
Thirty
One leg stand
Modified Romberg Balance
Walk and turn
Horizontal Gaze Nystagmus
Do I have sufficient grounds to stop this vehicle
Do I have sufficient grounds to request a chemical test
Is this person the operator of the vehicle
Should I instruct the driver to exit the vehicle
2
3
6
4
Instruction stage and balance and counting stage
Instruction stage and look into my eyes stage
Instruction stage and listening stage
Instruction stage and walking stage
Instruction stage and balance and counting stage
Instruction stage and look into my eyes stage
Instruction stage and listening stage
Instruction stage and walking stage
Check eyes for equal pupil size
Check eyes for resting Nystagmus
Check eyes for Equal tracking
All of the above
2
3
4
6
Lack of smooth pursuit
Distinct and sustained nystagmus at maximum devieation
Distinct and disstained nystagmus at maximum deviation
Onset of nystagmus prior to 45 degrees
How to know when someone is intoxicated
A good party trick
Can only be done with their eyes closed
A divided attention test
Keep your arms by your side, keep your eyes closed listen to my instructions and do not stop until you complete the test
Count out loud, watch me at all times, keep your arms by your side, and do not stop until you complete the test
Keep your arms at your sides, watch your feet at all times, count out loud and do not stop until you complete the test
Keep your arms out for balance, count quietly, watch your feet at all times, and do not stop until you complete the test
Starts too soon, Stops while walking, Does not touch heel-to-toe
Steps off line, uses arms to balance
Does a celebration dance upon completion of test
Improper turn, incorrect number of steps
4
3
2
5
1, 2, 3, 4
Thousand one, thousand two, thousand three, thousand four
One thousand one, two thousand two, three thousand three, four thousand four
One thousand one, one thousand two, one thousand three, one thousand four
2
3
4
6
Sways while balancing
Takes to many steps
Uses arms to balance and hopping
Puts foot down
Vehicle in motion
Personal contact
Pre-arrest screening
Going to jail
.08
.88
.80
1
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