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What Do You Know About Mercury in Fish?

Nearly all fish and shellfish contain traces of mercury, according to the EPA and the FDA. Find out how much you know about mercury contamination in fish by taking this quiz.

1. The amount of mercury in the atmosphere has increased steadily since:
2. Mercury in its elemental form is relatively nontoxic. In the environment, however, the elemental form of mercury is transformed into an organic form, which is easily absorbed by living things. This organic form, which builds up in the body, is called:
3. Concentrations of methylmercury are highest in which of these ocean dwellers:
4. People are more likely to ingest significant quantities of methylmercury by eating:
5. Mercury is most harmful to:
6. Mercury monitoring in local waterbodies falls under the jurisdiction of:
7. About what percentage of women of childbearing age have mercury levels above those considered safe by the EPA?
8. High levels of methylmercury can cause:
9. The FDA has recommended that pregnant and breastfeeding women, and children NOT EAT ANY of which fish?
10. To reduce the effects of methylmercury toxicity on the fetus, the FDA recommends that pregnant women limit their WEEKLY intake of marine fish (fish from the ocean) to:
11. To reduce the effects of methylmercury toxicity on the fetus, the EPA recommends that pregnant women limit their WEEKLY intake of freshwater fish (fish from rivers, streams, lakes, and reservoirs) to:
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