Question 1

Absorption of iron from supplements is improved by taking them with

Accepted Answer

A)  tea.
B)  water.
C)  milk.
D)  whole-grain bread.E) None of the above
F) All of the above

Question 2

Which of the following represents the most reliable dietary source of zinc?

Accepted Answer

A)  Nuts and oils
B)  Milk and yogurt
C)  Fruits and vegetables
D)  Meats and whole-grain cerealsE) A) and D)
F) B) and C)

Question 3

When calculating the amount of iron that can be absorbed from a meal,all of the following factors are of major importance EXCEPT

Accepted Answer

A)  EDTA content.
B)  phytate content.
C)  vitamin C content.
D)  MFP factor content.E) A) and C)
F) A) and B)

Question 4

About how much iron is absorbed from a vegetarian diet compared with an omnivorous diet?

Accepted Answer

A)  The same
B)  One-half as much
C)  Twice as much
D)  Three times as muchE) A) and C)
F) A) and D)

Question 5

Which of the following would be the most appropriate food source of iodide for a person who lives inland?

Accepted Answer

A)  Fresh-water fish
B)  Iodized table salt
C)  Locally grown produce
D)  Plants of the cabbage familyE) A) and B)
F) C) and D)

Question 6

A person ingesting large amounts of thyroid antagonist substances is at high risk of developing

Accepted Answer

A)  cretinism.
B)  simple goiter.
C)  high blood T3 levels.
D)  high blood thyroxine levels.E) None of the above
F) A) and C)

Question 7

Deficiency of which of the following minerals is associated with retarded growth and sexual development in children?

Accepted Answer

A)  Iron
B)  Zinc
C)  Iodine
D)  ChromiumE) A) and C)
F) All of the above

Question 8

Which of the following has been shown to improve absorption of iron from iron supplements?

Accepted Answer

A)  Taking then with milk
B)  Taking them with orange juice
C)  Taking them on an empty stomach rather than with meals
D)  Taking them in the form of the ferric salt rather than the ferrous saltE) A) and C)
F) A) and B)

Question 9

Which of the following foods provides iron in the most absorbable form?

Accepted Answer

A)  Rice
B)  Spinach
C)  Chicken
D)  Orange juiceE) A) and C)
F) A) and D)

Question 10

Iron deficiency in children is likely to result from a diet that overemphasizes

Accepted Answer

A)  milk.
B)  cereals.
C)  vegetables.
D)  dried beans.E) A) and D)
F) A) and C)

Question 11

Which of the following conditions is known to lead to copper deficiency?

Accepted Answer

A)  Excess zinc
B)  Excess protein
C)  Insufficient iodine
D)  Insufficient calciumE) A) and C)
F) None of the above

Question 12

Which of the following characteristics are shared by copper and fluoride?

Accepted Answer

A)  Both may be obtained from drinking tap water
B)  Both serve as cofactors for a number of enzymes
C)  Neither is involved in the integrity of bones and teeth
D)  Neither is known to be toxic at intakes of 10 times the estimated safe and adequate dietary intakeE) None of the above
F) B) and C)

Question 13

Taking into account the efficiency of intestinal absorption of iron,approximately how much dietary iron must be consumed to account for the iron lost by donating a pint of blood?

Accepted Answer

A)  5 mg
B)  15 mg
C)  50 mg
D)  100 mgE) None of the above
F) A) and B)

Question 14

Which of the following is a characteristic of iron deficiency and behavior?

Accepted Answer

A)  Erythrocyte iron levels fall before mental alertness is affected
B)  Moderate iron deficiency promotes constipation and hyperactivity
C)  Mild iron deficiency impairs energy metabolism and neurotransmitter synthesis
D)  Iron deficiency increases risk for infections that promote dysfunctional behaviorE) B) and C)
F) C) and D)

Question 15

What percentage of the iron in a hamburger is nonheme iron?

Accepted Answer

A)  0
B)  20
C)  40
D)  60E) None of the above
F) B) and C)

Question 16

Approximately how much iodized salt must be consumed to meet but not exceed the RDA for iodine?

Accepted Answer

A)  1 mg
B)  1/2 teaspoon
C)  1 teaspoon
D)  1 tablespoonE) B) and C)
F) None of the above

Question 17

Which of the following disorders may be linked with the presence of high blood iron?

Accepted Answer

A)  Dermatitis
B)  Diverticulosis
C)  Heart disease
D)  Neural tube defectsE) A) and B)
F) A) and C)

Question 18

Which of the following is a feature of iron absorption?

Accepted Answer

A)  It is higher with vegetarian diets
B)  It is higher in people with iron deficiency
C)  It is lower when iron is in the form of heme rather than non-heme
D)  It is higher in adults than children due to more mature intestinal functionE) C) and D)
F) B) and C)

Question 19

What is erythrocyte protoporphyrin?

Accepted Answer

A)  Iron chelating drug
B)  Hemoglobin precursor
C)  Indicator of iron toxicity
D)  Inherited iron-deficiency diseaseE) C) and D)
F) All of the above

Question 20

What type of anemia results from iron deficiency?

Accepted Answer

A)  Hemolytic
B)  Megaloblastic
C)  Microcytic hypochromic
D)  Macrocytic hyperchromicE) A) and B)
F) A) and C)

Exam 13: The Trace Minerals

Taking into account the efficiency of intestinal absorption of iron,approximately how much dietary iron must be consumed to account for the iron lost by donating a pint of blood?

Correct AnswerverifiedShow Answer

Which of the following foods provides iron in the most absorbable form?

Correct AnswerverifiedShow Answer

What is erythrocyte protoporphyrin?

Correct AnswerverifiedShow Answer

Approximately how much iodized salt must be consumed to meet but not exceed the RDA for iodine?

Correct AnswerverifiedShow Answer

What percentage of the iron in a hamburger is nonheme iron?

Correct AnswerverifiedShow Answer

About how much iron is absorbed from a vegetarian diet compared with an omnivorous diet?

Correct AnswerverifiedShow Answer

Which of the following would be the most appropriate food source of iodide for a person who lives inland?

Correct AnswerverifiedShow Answer

Which of the following is a characteristic of iron deficiency and behavior?

Correct AnswerverifiedShow Answer

Which of the following is a feature of iron absorption?

Correct AnswerverifiedShow Answer

Iron deficiency in children is likely to result from a diet that overemphasizes

Correct AnswerverifiedShow Answer

What type of anemia results from iron deficiency?

Correct AnswerverifiedShow Answer

Deficiency of which of the following minerals is associated with retarded growth and sexual development in children?

Correct AnswerverifiedShow Answer

Absorption of iron from supplements is improved by taking them with

Correct AnswerverifiedShow Answer

Which of the following has been shown to improve absorption of iron from iron supplements?

Correct AnswerverifiedShow Answer

A person ingesting large amounts of thyroid antagonist substances is at high risk of developing

Correct AnswerverifiedShow Answer

Which of the following conditions is known to lead to copper deficiency?

Correct AnswerverifiedShow Answer

Which of the following characteristics are shared by copper and fluoride?

Correct AnswerverifiedShow Answer

Which of the following represents the most reliable dietary source of zinc?

Correct AnswerverifiedShow Answer

Which of the following disorders may be linked with the presence of high blood iron?

Correct AnswerverifiedShow Answer

When calculating the amount of iron that can be absorbed from a meal,all of the following factors are of major importance EXCEPT

Correct AnswerverifiedShow Answer

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