Quiz: Naphthalene and Cancer

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1. Q1.How do health agencies classify naphthalene?

   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 naphthalene?

   ABreathing fumes from mothballs, smoke, or exhaustBThere is no known way for people to be exposed to itCOnly by taking a prescription medicine for itDOnly through contact with the eyes

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

   Abrain tumorsBA possible link based mainly on animal studiesCbone cancerDeye (ocular) cancer

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

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

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