Quiz: Inorganic Lead and Cancer

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1. Q1.How do health agencies classify inorganic lead compounds?

   AA known human carcinogen (strongest evidence)BA possible human carcinogen (weaker evidence)CNot classifiable — evidence is inconclusiveDA probable (likely) human carcinogen

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2. Q2.According to this article, how are people most often exposed to inorganic lead compounds?

   AThere is no known way for people to be exposed to itBOld paint dust, some old plumbing, and certain jobsCOnly by taking a prescription medicine for itDOnly through contact with the eyes

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3. Q3.Inorganic lead compounds is most strongly linked to which cancer?

   Achildhood leukemiaBmelanoma of the skinCLimited-evidence links to kidney and brain cancersDeye (ocular) cancer

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4. Q4.What does it mean that inorganic lead compounds is classified as a carcinogen?

   AThat it can cause cancer under some conditions — a hazard, not a measure of personal riskBThat everyone exposed to it is certain to get cancerCThat it has been banned in every countryDThat there is no way to reduce exposure to it

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