Question 1

____________is needed to activate enzymes and in the production of uric acid.

Accepted Answer

A)  Chromium
B)  Molybdenum
C)  Selenium
D)  Zinc

Question 2

Which of the following is a copper-containing plasma protein that converts iron to a form that can be transported and stored?

Accepted Answer

A)  Ceruloplasmin
B)  Ferritin
C)  Hemoglobin
D)  Transferrin

Question 3

Why are adequate intakes of iodine essential to good health? What are characteristics of iodine deficiencies?

Accepted Answer

Iodine is needed for synthesis of thyroi...

Question 4

Copper deficiency is most likely to occur in:

Accepted Answer

A)  pre-term infants.
B)  children aged 1-3.
C)  adolescents.
D)  the elderly.

Question 5

The poorest source of fluoride among the following is:

Accepted Answer

A)  toothpaste.
B)  foods cooked with Teflon.
C)  tea.
D)  pork.

Question 6

In most people,taking selenium supplements to increase intake over the RDA:

Accepted Answer

A)  will protect against environmental pollutants.
B)  will prevent heart disease.
C)  will not provide any additional benefits.
D)  will slow the aging process.

Question 7

The primary role of iodine in the body is:

Accepted Answer

A)  as an antioxidant.
B)  as a cofactor in hemoglobin synthesis.
C)  as a component of thyroid hormones.
D)  participation in carbohydrate metabolism

Question 8

Which mineral protects against oxidative damage and also helps synthesize thyroid hormone?

Accepted Answer

A)  Copper
B)  Manganese
C)  Selenium
D)  Zinc

Question 9

___________ is not a component of an antioxidant enzyme.

Accepted Answer

A)  Copper
B)  Iodine
C)  Selenium
D)  Zinc

Question 10

Fluoride has shown to be most effective in preventing:

Accepted Answer

A)  colon cancer.
B)  dental caries.
C)  osteomalacia.
D)  obesity.

Question 11

The best dietary sources of manganese are:

Accepted Answer

A)  fruits and vegetables.
B)  nuts and whole grains.
C)  meats.
D)  dairy products.

Question 12

How can a person increase their intake of dietary iron?

Accepted Answer

The best sources of absorbable iron are ...

Question 13

What are common physiologic functions of manganese?

Accepted Answer

Manganese-containing enzymes are involve...

Question 14

Which of the following is a true statement about iron requirements?

Accepted Answer

A)  The RDA for young adult women is higher than the RDA young adult men.
B)  For adolescents 14 to 18 years-of-age,the RDA is the same for males and females.
C)  Iron requirements increase after menopause.
D)  Babies should not be fed iron-containing formulas,because of the risk of toxicity.

Question 15

What are good dietary sources of iodine?

Accepted Answer

Most of the iodine in the Nort...

Question 16

All of the following are adequate sources of nonheme iron EXCEPT:

Accepted Answer

A)  apples.
B)  enriched white rice.
C)  garbanzo beans.
D)  spinach.

Question 17

Which of the following statements is true regarding copper absorption?

Accepted Answer

A)  Zinc promotes the absorption of copper.
B)  About 80% of copper is absorbed.
C)  Vitamin C enhances copper absorption.
D)  By inhibiting zinc absorption,phytates may enhance the copper absorption.

Question 18

The trace minerals are difficult to study in humans because:

Accepted Answer

A)  some of them are required in such small amounts that environmental contamination can obscure experimental results.
B)  they are so small,they are difficult to identify.
C)  they are required in such small amounts that deficiencies do not occur.
D)  biological tests are imprecise.

Question 19

What role does chromium play in glucose uptake into cells?

Accepted Answer

Chromium enhances the activity of insuli...

Question 20

Lack of which trace element is the most common nutritional deficiency worldwide?

Accepted Answer

A)  Copper
B)  Zinc
C)  Iron
D)  Iodine

Exam 12: The Trace Elements

___________ is not a component of an antioxidant enzyme.

Correct AnswerverifiedShow Answer

What role does chromium play in glucose uptake into cells?

Correct AnswerverifiedChromium enhances the activity of insuli...View AnswerShow Answer

Which of the following is a true statement about iron requirements?

Correct AnswerverifiedShow Answer

The poorest source of fluoride among the following is:

Correct AnswerverifiedShow Answer

Which mineral protects against oxidative damage and also helps synthesize thyroid hormone?

Correct AnswerverifiedShow Answer

In most people,taking selenium supplements to increase intake over the RDA:

Correct AnswerverifiedShow Answer

Which of the following is a copper-containing plasma protein that converts iron to a form that can be transported and stored?

Correct AnswerverifiedShow Answer

____________is needed to activate enzymes and in the production of uric acid.

Correct AnswerverifiedShow Answer

The primary role of iodine in the body is:

Correct AnswerverifiedShow Answer

Lack of which trace element is the most common nutritional deficiency worldwide?

Correct AnswerverifiedShow Answer

Copper deficiency is most likely to occur in:

Correct AnswerverifiedShow Answer

The best dietary sources of manganese are:

Correct AnswerverifiedShow Answer

Why are adequate intakes of iodine essential to good health? What are characteristics of iodine deficiencies?

Correct AnswerverifiedIodine is needed for synthesis of thyroi...View AnswerShow Answer

The trace minerals are difficult to study in humans because:

Correct AnswerverifiedShow Answer

All of the following are adequate sources of nonheme iron EXCEPT:

Correct AnswerverifiedShow Answer

Fluoride has shown to be most effective in preventing:

Correct AnswerverifiedShow Answer

How can a person increase their intake of dietary iron?

Correct AnswerverifiedThe best sources of absorbable iron are ...View AnswerShow Answer

What are good dietary sources of iodine?

Correct AnswerverifiedMost of the iodine in the Nort...View AnswerShow Answer

What are common physiologic functions of manganese?

Correct AnswerverifiedManganese-containing enzymes are involve...View AnswerShow Answer

Which of the following statements is true regarding copper absorption?

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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Chromium enhances the activity of insuli...
View Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Iodine is needed for synthesis of thyroi...
View Answer

Correct Answer
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Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
The best sources of absorbable iron are ...
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Correct Answer
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Most of the iodine in the Nort...
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Correct Answer
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Manganese-containing enzymes are involve...
View Answer

Correct Answer
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