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Idaho Class D Knowledge Practice Test
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Safe & Responsible DrivingStandalone practice
A prescription medicine label warns that it can cause drowsiness. What should you do before driving?
Correct answer: Ask a doctor or pharmacist; do not drive if affected
Why
Read medicine warnings and ask a doctor or pharmacist about driving effects and interactions. Do not drive if the medicine impairs you. Idaho’s DUI law includes impairment from drugs or intoxicating substances, including combinations with alcohol.
Verified against Idaho Driver’s Handbook, July 2026 · Medicine that affects driving · p. 130, 131
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