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Test Your Mercury I.Q. You may have seen the warning signs in your grocery's seafood aisle cautioning you against eating certain kinds of fish that have high levels of mercury. But, beyond that, how much do you really know about toxic mercury? Take our Mercury I.Q. test to see just how much (or how little) you really know. 1. Most states and territories in the U.S. have fish advisories for local waterways indicating the safety of the fish being caught there. true   false   2. Toxic mercury affects only women and young children. true   false   3. One in six women of childbearing age has enough mercury in her body to put a baby at risk. true   false   4. It's safe to eat a 6 oz. can of albacore tuna once a week. true   false   5. The federal government is cleaning up mercury from coal-fired power plants as quickly and effectively as available technologies allow. true   false   6. Sushi lovers don't need to adhere to the same safety precautions for seafood because the fish is raw. true   false   7. Only women that are already pregnant should be monitoring their mercury levels. true   false   Photo: USFWS; used with permission. Up to Top