Quiz: Polycyclic Aromatic Hydrocarbons (PAHs) and Cancer

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1. Q1.How do health agencies classify polycyclic aromatic hydrocarbons?

   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 polycyclic aromatic hydrocarbons?

   AThere is no known way for people to be exposed to itBBreathing smoke and exhaust, and eating grilled or smoked foodsCOnly by taking a prescription medicine for itDOnly through contact with the eyes

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3. Q3.Polycyclic aromatic hydrocarbons is most strongly linked to which cancer?

   Abrain tumorsBchildhood leukemiaCLung, skin, and bladder cancersDeye (ocular) cancer

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4. Q4.What does it mean that polycyclic aromatic hydrocarbons 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: Polycyclic Aromatic Hydrocarbons (PAHs) and Cancer.