Mercury In Seafood Pretest
This pretest is designed to determine what you already know about mercury in seafood. Do not be alarmed if you do not know all of the answers. A tutorial will follow this pretest to help you understand any questions you missed.
- 1.
Why is methylmercury dangerous to the human body?
- A.
It causes anemia among women.
- B.
It harms the nervous systems of young children.
- C.
It is the leading cause of juvenile diabetes.
- D.
It is a known carcinogen
Correct Answer
B. It harms the nervous systems of young children.Explanation
Methylmercury is a neurotoxin that can damage the nervous systems of fetuses young children.Rate this question:
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- 2.
Which of the following is true about mercury in fish and shellfish?
- A.
All fish tend to have the same levels of mercury.
- B.
Larger fish tend to have higher levels of mercury.
- C.
Bottom-feeding fish tend to have higher levels of mercury.
- D.
Shellfish tend to have higher levels of mercury.
Correct Answer
B. Larger fish tend to have higher levels of mercury.Explanation
Larger fish tend to be predators and are further up the food chain. As a result, when they consume smaller fish, they accumulate mercury at a faster rate than their bodies can metabolize and remove it from their systems. This process is called bioaccumulation.Rate this question:
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- 3.
Which of the following seafood items has the highest level of mercury?
- A.
Salmon
- B.
Oysters
- C.
Shrimp
- D.
Swordfish
Correct Answer
D. SwordfishExplanation
Swordfish has one of the highest levels of mercury and should be avoided.Rate this question:
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- 4.
Which of the following are NOT a special population that need to take extra precautions regarding seafood consumption?
- A.
Premenopausal women
- B.
Elderly men
- C.
Nursing women
- D.
Young children
Correct Answer
B. Elderly menExplanation
All women of childbearing age and young children should take precautions regarding consumption of mercury in seafood.Rate this question:
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- 5.
Rebecca is a 120lb college sophomore who does not plan on having children in the immediate future. This week she had a tuna sandwich (3oz chunk light canned tuna) , a salmon fillet (6oz salmon), and shrimp stirfry (6oz shrimp). Use the information above and the NRDC Mercury Calculator to determine how her mercury intake for this week compares to the recommended guidelines. The mercury calculator will open in a separate window. When you are finished, return to this page to submit your answer.
- A.
Her mercury consumption was above the "safety zone"; she should reduce her intake for next week to compensate.
- B.
Her mercury consumption was within the "safety zone"; she could have eaten more seafood this week.
- C.
Her mercury consumption met the recommended guidelines exactly; she should not have consumed any more seafood this week.
- D.
Her mercury consumption is unable to be determined.
Correct Answer
B. Her mercury consumption was within the "safety zone"; she could have eaten more seafood this week.Explanation
As a woman of childbearing age, even if she does not plan on having children, Rebecca is considered part of the special populations that need to take extra precautions and monitor mercury consumption in seafood. By choosing seafood options that are low in mercury and small portions, she falls below the recommended guidelines and could possibly have eaten more seafood this week.Rate this question:
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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
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Current Version
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Feb 02, 2023Quiz Edited by
ProProfs Editorial Team -
Nov 29, 2009Quiz Created by
Tuyet.hayes
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