Quiz: Dose and Cancer Risk: Why 'The Dose Makes the Poison'

0 of 4 answered

1. Q1.What does 'the dose makes the poison' mean?

   AOnly poisons are dangerousBAlmost anything can be harmful in a large enough amount and harmless in a small enough oneCDose has no effect on riskDSmall doses are always the most dangerous

   Check answer
2. Q2.For most carcinogens, how does risk relate to exposure?

   ARisk falls as exposure risesBRisk rises with the dose and length of exposureCRisk is the same at any doseDOnly the first exposure matters

   Check answer
3. Q3.Why do trace exposures usually matter less?

   AThey are always zero riskBBecause the dose is tiny compared with the heavy, prolonged exposures that produced cancer findingsCBecause traces aren't realDBecause agencies ignore them

   Check answer
4. Q4.What is the caveat for some DNA-damaging carcinogens?

   AThey are harmlessBScientists can't identify a threshold with zero risk, so 'less is better'CThey only matter at high dosesDThey should be ignored

   Check answer

This quiz checks understanding of educational content only. It is not medical advice. Read: Dose and Cancer Risk: Why 'The Dose Makes the Poison'.