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DWI-NHTSA: Questions With Verified Solutions

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DWI-NHTSA: Questions With Verified Solutions

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DWI-NHTSA: Questions With Verified Solutions
What's is phase 1 called? Correct Answer - Vehicle in motion

What is the main question faced during phase 1? Correct Answer -
Should I stop the vehicle ?

How should you describe all evidence during a DWI stop? Correct
Answer - Clearly and convincingly

What is phase 2 called ? Correct Answer - Personal contact

What is the main question faced during phase 2 ? Correct Answer
- Should I have the driver exit the vehicle ?

What is phase 3 called? Correct Answer - Pre arrest screening

What is the main question faced in phase 3? Correct Answer -
Should I arrest for DWI

The decision to make an arrest for DWI is based off of what?
Correct Answer - The totality of all 3 phases

What is nystagmus? Correct Answer - Involuntary jerking of
the eyes

What causes HGN? Correct Answer - CNS depressants,
inhalants and anesthetics cause HGN.

What is the most accurate test for DWI? Correct Answer - HGN
(horizontal gaze nystagmus)

How accurate is HGN test? Correct Answer - 88%

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