Which substances can make driving illegally impaired when they compromise driving ability to any degree? Select all that apply.
An alcoholic drink that reduces driving ability✓Bonne réponse
Cannabis✓Bonne réponse
A prescribed medicine that has no effect on driving ability
An over-the-counter medicine that reduces driving ability✓Bonne réponse
A combination of substances that reduces driving ability✓Bonne réponse
Explication
The rule turns on diminished driving ability, not whether a substance was bought legally or prescribed. Alcohol, cannabis, an impairing non-prescription medicine and an impairing combination all qualify, while a medicine that does not affect driving ability does not meet the premise.