Which of the following statements regarding mercury is TRUE? Mercury is a mild toxin and produces no long lasting side effects. Small fish such as anchovies and sardines contain the highest amounts of mercury and should be avoided. Mercury can poison the nervous system at high enough doses. Shark and swordfish are examples of two fish that contain little or no mercury and are therefore safe to consume in large quantities.

Question

Bonnie

Biology

14 June, 16:36

Which of the following statements regarding mercury is TRUE? Mercury is a mild toxin and produces no long lasting side effects. Small fish such as anchovies and sardines contain the highest amounts of mercury and should be avoided. Mercury can poison the nervous system at high enough doses. Shark and swordfish are examples of two fish that contain little or no mercury and are therefore safe to consume in large quantities.

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Answers (1)

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Gia Bishop · Answer 1

The answers that are true are:

1) Small fish such as anchovies and sardines contain the highest amounts of mercury and should be avoided

2) Mercury can poison the nervous system at high enough doses.

Explanation:

Mercury has been found in fishes like anchovies, sharks, king mackerel, sardines and others and these are very harmful for consumption.

Studies have shown the link between high exposure to mercury and central nervous system changes and then damage. It acts by preventing neurons from reaching their site of action in infants brain, loss of cognitive functions, tremors, headaches and eventually death.