Practice question

What should an instructor teach about the effects of carbon monoxide exposure?

Carbon monoxide is not dangerous in a vehicle
Carbon monoxide is an odorless, colorless gas that can cause drowsiness, impaired judgment, and death; never run a vehicle in a closed space
Carbon monoxide only comes from old vehicles
Open windows eliminate all risk

Answer: B — Carbon monoxide is an odorless, colorless gas that can cause drowsiness, impaired judgment, and death; never run a vehicle in a closed space

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