Quiz: Ethylene Oxide and Cancer

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1. Q1.How do health agencies classify ethylene oxide?

   AA known human carcinogen (strongest evidence)BA probable (likely) human carcinogenCA possible human carcinogen (weaker evidence)DNot classifiable — evidence is inconclusive

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2. Q2.According to this article, how are people most often exposed to ethylene oxide?

   AThere is no known way for people to be exposed to itBOnly by taking a prescription medicine for itCBreathing the gas at work or near certain sterilizing facilitiesDOnly through contact with the eyes

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3. Q3.Ethylene oxide is most strongly linked to which cancer?

   Abrain tumorsBchildhood leukemiaCmelanoma of the skinDBlood and lymphatic cancers, and breast cancer

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4. Q4.What does it mean that ethylene oxide is classified as a carcinogen?

   AThat everyone exposed to it is certain to get cancerBThat it can cause cancer under some conditions — a hazard, not a measure of personal riskCThat 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: Ethylene Oxide and Cancer.