Washington MAST (Mandatory Alcohol Server Training) Practice Exam

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Driving under the influence refers to operating a motor vehicle with an alcohol concentration of?

  1. 0.05 or higher

  2. 0.08 or higher

  3. 0.1 or higher

  4. 0.03 or higher

The correct answer is: 0.08 or higher

Driving under the influence refers to operating a motor vehicle with an alcohol concentration above the legal limit, which in most places is 0.08 or higher. This means that options A, C, and D are incorrect as they all suggest a higher or lower legal limit for alcohol concentration while operating a vehicle.

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