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Free California DMV knowledge test (Class C) practice questions: Alcohol and drugs

4 free questions with the answer and the official source.

1

You are 35 and driving your own car. At what blood alcohol concentration (BAC) is it illegal for you to drive?

  1. 0.01% or higher
  2. 0.05% or higher
  3. 0.08% or higher

2

You are 19. At what BAC is it illegal for you to drive?

  1. 0.01% or higher
  2. 0.04% or higher
  3. 0.08% or higher

3

Your doctor prescribed a medicine that makes you drowsy. What does California's DUI law say?

  1. Prescription drugs are exempt from DUI law
  2. It is illegal if the drug affects your driving
  3. It is illegal only if you also drank alcohol

4

You drank several doses of a cough syrup that contains alcohol. Can you be charged with DUI if you drive?

  1. No, medicines are not covered by DUI law
  2. Yes, alcohol in any form counts, medicines included
  3. Only if you also drank beer, wine or liquor

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