9th Grade Health Practice Test

Which term matches the definition: Air that has been contaminated by tobacco smoke?

Secondhand Smoke Nicotine Environmental Tobacco Smoke Anaphylaxis

Correct Answer:

Environmental Tobacco Smoke

Explanation:

Environmental Tobacco Smoke describes the air in an environment that has tobacco smoke in it. It includes smoke from the burning tobacco and the smoke exhaled by the smoker, which together contaminate the surrounding air that others may inhale. This makes it the best match for the idea “air that has been contaminated by tobacco smoke.” Nicotine is the chemical in tobacco, not the description of the contaminated air. Anaphylaxis is a severe allergic reaction and not related to tobacco smoke exposure. Secondhand smoke is a common term for the same exposure, but Environmental Tobacco Smoke is the formal term used in health contexts to refer to the contaminated air.

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