Ontario G1 Knowledge Test — G1 Practice Question
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Accuracy —
Rules of the Road
After using cannabis, impairment of judgment and reaction time:
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Correct Answer: B. Can last for hours
Cannabis impairment lasts hours — longer for heavy use. Blood levels do not track impairment reliably. Ontario has zero tolerance for drug-impaired driving in novice and under-22 drivers. Impaired-driving laws are the same as for alcohol.
