Quiz: Tetrachloroethylene (Dry-Cleaning Solvent) and Cancer

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1. Q1.How do health agencies classify tetrachloroethylene?

   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 tetrachloroethylene?

   AThere is no known way for people to be exposed to itBBreathing vapors at work or near dry-cleaning facilitiesCOnly by taking a prescription medicine for itDOnly through contact with the eyes

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3. Q3.Tetrachloroethylene is most strongly linked to which cancer?

   Abrain tumorsBchildhood leukemiaCA suspected link to bladder cancerDmelanoma of the skin

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4. Q4.What does it mean that tetrachloroethylene 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: Tetrachloroethylene (Dry-Cleaning Solvent) and Cancer.