Question 1

Which statement is NOT true about how the body uses iron?

Accepted Answer

A)   Most iron entering the body is recycled.
B)   Iron can be lost from bleeding and sweating, as well as through the GI tract, skin, and urine.
C)   Blood loss is the only way the body loses iron.
D)   Surplus iron is stored in the muscles.
E)   Iron is carried in the blood by transferrin.F) B) and D)
G) B) and C)

Question 2

What are the concerns about lead? What effect does it have on the body, specifically nutrition status.

Accepted Answer

Lead is an example of a contaminant mine...

Question 3

To avoid iodine toxicity, the UL is set at _____.

Accepted Answer

A)   75 µg/day
B)   500 µg/day
C)   1100 µg/day
D)   1200 µg/day
E)   1500 µg/dayF) C) and D)
G) A) and E)

Question 4

Explain heme and nonheme iron, and discuss the factors that influence their absorption in the body.

Accepted Answer

Iron occurs in two forms in foods: as he...

Question 5

What are the concerns of iron nutrition in vegetarians?

Accepted Answer

Overall, about 18% of dietary iron is ab...

Question 6

Where are the highest concentrations of zinc in the body?

Accepted Answer

A)   liver and pancreas
B)   brain
C)   small intestine
D)   blood
E)   muscle and boneF) None of the above
G) A) and B)

Question 7

Treatment for copper deficiency that results from the genetic disorder, such as Menkes disease, involves _____.

Accepted Answer

A)   chelation
B)   zinc supplements
C)   copper supplements
D)   intravenous copper
E)   low-iron dietF) None of the above
G) B) and E) D

Question 8

The term iron-deficiency anemia refers specifically to _____.

Accepted Answer

A)   low transferrin levels
B)   severe depletion of iron stores that results in a low hemoglobin concentration
C)   elevated levels of iron in the urine
D)   insufficient hepcidin
E)   severe depletion of myoglobin from muscle cellsF) A) and B)
G) B) and C)

Question 9

Which of the following is true of iodine deficiency?

Accepted Answer

A)   It can cause mental impairment and brain damage.
B)   It mainly affects the very elderly.
C)   It often is accompanied by zinc deficiency.
D)   Treatment often includes increased consumption of vegetables high in goitrogens.
E)   Worldwide, the incidence is rare, thanks in large part to the iodization of salt.F) B) and D)
G) None of the above

Question 10

Essential mineral nutrients needed in amounts of less than 100 milligrams a day are known as ____________________.

Accepted Answer

trace mine...

Question 11

Which of the following is a characteristic of trace minerals?

Accepted Answer

A)   A deficiency sign common to many trace minerals is dermatitis
B)   The amounts in foods are dependent, in part, on soil composition
C)   Deficiencies are more difficult to recognize in children than in adults
D)   The amount of all trace minerals in the average person totals approximately 100 grams
E)   They function independently in the bodyF) None of the above
G) A) and B)

Question 12

Which one of these foods contains a substance that inhibits absorption of nonheme iron?

Accepted Answer

A)   orange juice
B)   pork
C)   chicken
D)   milk
E)   fishF) B) and D)
G) D) and E) D

Question 13

Lycopene _____.

Accepted Answer

A)   is one of many flavonoids
B)   may help protect against cancer and heart disease
C)   is abundant in apples
D)   is another name for vitamin E
E)   may promote growth of estrogen-dependent cancersF) All of the above
G) D) and E)

Question 14

What does severe iodine deficiency cause during pregnancy?

Accepted Answer

A)   gestational diabetes
B)   iron deficiency
C)   protein malabsorption
D)   ketosis
E)   cretinismF) B) and E)
G) None of the above E

Question 15

What measurement is useful for detecting iron deficiency in its earliest stage?

Accepted Answer

A)   hematocrit
B)   serum iron level
C)   red blood cell count
D)   serum ferritin
E)   transferrin saturationF) B) and D)
G) A) and C)

Question 16

What is pica?

Accepted Answer

A)   the craving for and consumption of nonfood substances
B)   a condition in which the body fails to adequately absorb iron
C)   an iron supplement
D)   a measure of hepcidin in the liver
E)   the part of the liver where iron is storedF) A) and C)
G) A) and D)

Question 17

What is hemosiderin?

Accepted Answer

A)   the part of iron that is not used by the body
B)   another term for ferritin
C)   a protein that carries iron in the blood
D)   an enzyme that helps in absorption of iron
E)   a storage protein for ironF) A) and B)
G) A) and C)

Question 18

Which of these therapies may be used to treat iron overload?

Accepted Answer

A)   gastric bypass surgery
B)   chelation
C)   vitamin C supplements
D)   calcium supplements
E)   blood transfusionF) B) and D)
G) C) and D)

Question 19

Iodine plays an integral part in which hormone?

Accepted Answer

A)   insulin
B)   thyroid hormone
C)   estrogen
D)   hepcidin
E)   testosteroneF) C) and E)
G) B) and C)

Question 20

In developing countries, blood loss is often brought on by _________________

Accepted Answer

A)   lack of sufficient intake of foods
B)   frequent injuries
C)   pregnancy and childbirth
D)   iron overload
E)   malaria and parasitic infections of the GI tractF) A) and E)
G) B) and C)

Exam 13: The Trace Minerals

Which statement is NOT true about how the body uses iron?

Correct AnswerverifiedShow Answer

What are the concerns about lead? What effect does it have on the body, specifically nutrition status.

Correct AnswerverifiedLead is an example of a contaminant mine...View AnswerShow Answer

To avoid iodine toxicity, the UL is set at _____.

Correct AnswerverifiedShow Answer

Explain heme and nonheme iron, and discuss the factors that influence their absorption in the body.

Correct AnswerverifiedIron occurs in two forms in foods: as he...View AnswerShow Answer

What are the concerns of iron nutrition in vegetarians?

Correct AnswerverifiedOverall, about 18% of dietary iron is ab...View AnswerShow Answer

Where are the highest concentrations of zinc in the body?

Correct AnswerverifiedShow Answer

Treatment for copper deficiency that results from the genetic disorder, such as Menkes disease, involves _____.

Correct AnswerverifiedD

The term iron-deficiency anemia refers specifically to _____.

Correct AnswerverifiedShow Answer

Which of the following is true of iodine deficiency?

Correct AnswerverifiedShow Answer

Essential mineral nutrients needed in amounts of less than 100 milligrams a day are known as ____________________.

Correct Answerverifiedtrace mine...View AnswerShow Answer

Which of the following is a characteristic of trace minerals?

Correct AnswerverifiedShow Answer

Which one of these foods contains a substance that inhibits absorption of nonheme iron?

Correct AnswerverifiedD

Lycopene _____.

Correct AnswerverifiedShow Answer

What does severe iodine deficiency cause during pregnancy?

Correct AnswerverifiedE

What measurement is useful for detecting iron deficiency in its earliest stage?

Correct AnswerverifiedShow Answer

What is pica?

Correct AnswerverifiedShow Answer

What is hemosiderin?

Correct AnswerverifiedShow Answer

Which of these therapies may be used to treat iron overload?

Correct AnswerverifiedShow Answer

Iodine plays an integral part in which hormone?

Correct AnswerverifiedShow Answer

In developing countries, blood loss is often brought on by _________________

Correct AnswerverifiedShow Answer

Correct Answer
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Lead is an example of a contaminant mine...
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Iron occurs in two forms in foods: as he...
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Overall, about 18% of dietary iron is ab...
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D

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trace mine...
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D

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E

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