The nurse is teaching a community program on ways to reduce mercury in the diet. Which of the following should the nurse include in the teaching sessions?
A) Smaller fish have less mercury.
B) Larger fish have less mercury.
C) Cooking fish destroys mercury.
D) Removing skin reduces the amount of mercury.
A) Smaller fish have less mercury.
Explanation: A) Larger fish and fish that are higher on the food chain bioconcentrate methylmercury deposits found in the muscle tissue of their prey (smaller fish). Therefore, smaller fish contain less mercury.
B) Larger fish and fish that are higher on the food chain bioconcentrate methylmercury deposits found in the muscle tissue of their prey (smaller fish). Therefore, larger fish will have more methylmercury deposits.
C) Cooking methods cannot decrease the amount of methylmercury in fish because mercury binds tightly to protein that forms the muscle tissue, which is consumed.
D) Removing the skin does not decrease the amount of methylmercury in fish because mercury binds tightly to protein that forms the muscle tissue, which is consumed.
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