Quiz: How Scientists Identify Carcinogens

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1. Q1.Which three kinds of evidence do scientists combine to identify carcinogens?

   ASurveys, opinions, and advertisementsBHuman studies, animal studies, and mechanism/cell researchCWeather, diet, and exerciseDPrice, packaging, and popularity

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2. Q2.According to this article, how much weight does a single study carry?

   AIt proves something causes cancer on its ownBRarely enough — panels weigh the whole body of evidence togetherCIt is ignored completelyDOnly animal studies count

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3. Q3.Why did IARC move coffee out of the 'possibly carcinogenic' category in 2016?

   AA single new studyBAfter reviewing over a thousand studies, the earlier concern was not supportedCBecause coffee sales roseDPolitical pressure

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4. Q4.What are IARC and the NTP mainly doing when they classify an agent?

   ACalculating your personal riskBHazard identification — judging whether something can cause cancerCSetting product pricesDTreating patients

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This quiz checks understanding of educational content only. It is not medical advice. Read: How Scientists Identify Carcinogens.