Practice question

What is the safe rule for medicines that may cause drowsiness?

  1. Do not drive until you know they are allowed and do not impair you
  2. Take extra doses to stay calm
  3. Use them only with caffeine and keep driving
  4. Ignore warning labels for over-the-counter medicines

Answer: A — Do not drive until you know they are allowed and do not impair you

The correct answer is shown above. Try the full quiz for additional practice.

Practice more: ID CDL General Knowledge Practice Questions - Idaho CDL General Knowledge Test Exam →