Quiz: Radon and Cancer Risk

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1. Q1.According to this article, what is radon?

   AA chemical added to building materialsBA visible smog that collects in basementsCAn invisible, odorless radioactive gas that forms naturally when uranium in soil and rock breaks downDA type of mold that grows in damp homes

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2. Q2.According to this article, where does radon rank as a cause of lung cancer in the United States?

   AIt is the second leading cause, after smokingBIt is a very rare cause, behind air pollutionCIt is the leading cause overall, ahead of smokingDIt has not been linked to lung cancer

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3. Q3.According to this article, what is the only way to know your home's radon level?

   AChecking whether the air smells stale in the basementBAsking neighbors whether their homes tested highCLooking at the age and type of your homeDTesting your home with a test kit or a qualified professional

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4. Q4.According to this article, what can be done if a home's radon level is high?

   ANothing; high radon levels cannot be changedBA qualified contractor can install a radon reduction system, usually a vent pipe and fanCThe home must be torn down and rebuiltDSimply opening windows once a week fixes the problem

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5. Q5.According to this article, what happens to lung cancer risk when someone both smokes and has high radon at home?

   AThe two risks cancel each other outBRadon makes no difference for people who smokeCThe combined risk is far higher than either one aloneDSmoking protects the lungs from radon particles

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This quiz checks understanding of educational content only. It is not medical advice. Read: Radon and Cancer Risk.