Quiz: Hexavalent Chromium and Cancer

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1. Q1.How do health agencies classify hexavalent chromium?

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

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2. Q2.According to this article, how are people most often exposed to hexavalent chromium?

   AThere is no known way for people to be exposed to itBBreathing mists or fumes at work, such as plating and weldingCOnly by taking a prescription medicine for itDOnly through contact with the eyes

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3. Q3.Hexavalent chromium is most strongly linked to which cancer?

   Abrain tumorsBchildhood leukemiaCLung cancerDmelanoma of the skin

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4. Q4.What does it mean that hexavalent chromium 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: Hexavalent Chromium and Cancer.