Question 1

Approximately what percentage of ingested calcium is absorbed by infants and children?

Accepted Answer

A)   10%
B)   30%
C)   50%
D)   60%E) C) and D)
F) B) and D)

Question 2

Which of the following foods can enhance nonheme iron absorption?

Accepted Answer

A)   herbal tea
B)   strawberries
C)   yogurt
D)   decaffeinated coffeeE) All of the above
F) A) and D)

Question 3

What is the recommended Dietary Reference Intake DRI)  for calcium for women and men in the 19- to 50-year-old range?

Accepted Answer

A)   600 mg
B)   800 mg
C)   1,000 mg
D)   1,200 mgE) None of the above
F) B) and D)

Question 4

At what age does cortical bone loss begin?

Accepted Answer

A)   25 years
B)   30 years
C)   35 years
D)   40 yearsE) None of the above
F) A) and B)

Question 5

Which of the following statements about fluorosis is accurate?

Accepted Answer

A)   It is a reversible condition.
B)   It causes discoloration of fingernails.
C)   It occurs after teeth are formed.
D)   It results when water contains too much fluoride.E) None of the above
F) A) and D)

Question 6

What is the name of the mineral that assists a group of enzymes working in concert with vitamin E to prevent the formation of free radicals and prevent oxidative harm to cells and tissues?

Accepted Answer

A)   iodine
B)   phosphorus
C)   cobalt
D)   seleniumE) A) and B)
F) None of the above

Question 7

Zinc supplements can reach toxic doses, but zinc found in foods is nontoxic.

Accepted Answer

A) True 
 B)False

Question 8

How does dehydration influence potassium in the body's cells and thirst regulation?

Accepted Answer

Dehydration leads to a loss of...

Question 9

Which of the following minerals stabilizes bones and makes teeth resistant to decay?

Accepted Answer

A)   fluoride
B)   cadmium
C)   chloride
D)   mercuryE) B) and D)
F) All of the above

Question 10

What is the name of the trace mineral that works with proteins in every organ and helps approximately one hundred enzymes?

Accepted Answer

A)   fluoride
B)   iron
C)   selenium
D)   zincE) B) and D)
F) A) and D)

Question 11

Which mineral ion plays a special role as a part of stomach acid?

Accepted Answer

A)   iodine
B)   zinc
C)   chloride
D)   potassiumE) B) and D)
F) A) and B) C

Question 12

Which of the following groups of people would most likely absorb the largest amount of calcium?

Accepted Answer

A)   pregnant women
B)   adults
C)   the elderly
D)   infantsE) B) and C)
F) All of the above D

Question 13

Besides bananas, which of the following foods provides an excellent source of potassium?

Accepted Answer

A)   spinach
B)   tuna
C)   chick peas
D)   blueberriesE) C) and D)
F) All of the above A

Question 14

What is the most reliable source of dietary fluoride?

Accepted Answer

A)   dark green vegetables
B)   public water
C)   meats and whole grain cereals
D)   milk and milk productsE) C) and D)
F) B) and D)

Question 15

The mineral silicon is known to be involved in bone calcification in animals.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following food items reduces iron absorption from food?

Accepted Answer

A)   lemon
B)   black tea
C)   tuna
D)   chicken breastE) A) and B)
F) A) and C)

Question 17

Which of the following individuals would be most at risk for developing osteoporosis?

Accepted Answer

A)   an elderly man
B)   an overweight teenager
C)   a sedentary thin older woman
D)   a woman who gave birth to one childE) None of the above
F) C) and D)

Question 18

Which mineral, if injected into a vein, can stop the heart?

Accepted Answer

A)   potassium
B)   magnesium
C)   chromium
D)   seleniumE) B) and C)
F) A) and B)

Question 19

One of the chief functions of chromium is participation in the metabolism of which of the following nutrients?

Accepted Answer

A)   carbohydrates
B)   lipids
C)   vitamins
D)   proteinsE) A) and B)
F) All of the above

Question 20

The body needs only a very small quantity of iodine.

Accepted Answer

A) True 
 B)False

Exam 8: Water and Minerals

Approximately what percentage of ingested calcium is absorbed by infants and children?

Correct AnswerverifiedShow Answer

Which of the following foods can enhance nonheme iron absorption?

Correct AnswerverifiedShow Answer

What is the recommended Dietary Reference Intake DRI) for calcium for women and men in the 19- to 50-year-old range?

Correct AnswerverifiedShow Answer

At what age does cortical bone loss begin?

Correct AnswerverifiedShow Answer

Which of the following statements about fluorosis is accurate?

Correct AnswerverifiedShow Answer

What is the name of the mineral that assists a group of enzymes working in concert with vitamin E to prevent the formation of free radicals and prevent oxidative harm to cells and tissues?

Correct AnswerverifiedShow Answer

Zinc supplements can reach toxic doses, but zinc found in foods is nontoxic.

Correct AnswerverifiedShow Answer

How does dehydration influence potassium in the body's cells and thirst regulation?

Correct AnswerverifiedDehydration leads to a loss of...View AnswerShow Answer

Which of the following minerals stabilizes bones and makes teeth resistant to decay?

Correct AnswerverifiedShow Answer

What is the name of the trace mineral that works with proteins in every organ and helps approximately one hundred enzymes?

Correct AnswerverifiedShow Answer

Which mineral ion plays a special role as a part of stomach acid?

Correct AnswerverifiedC

Which of the following groups of people would most likely absorb the largest amount of calcium?

Correct AnswerverifiedD

Besides bananas, which of the following foods provides an excellent source of potassium?

Correct AnswerverifiedA

What is the most reliable source of dietary fluoride?

Correct AnswerverifiedShow Answer

The mineral silicon is known to be involved in bone calcification in animals.

Correct AnswerverifiedShow Answer

Which of the following food items reduces iron absorption from food?

Correct AnswerverifiedShow Answer

Which of the following individuals would be most at risk for developing osteoporosis?

Correct AnswerverifiedShow Answer

Which mineral, if injected into a vein, can stop the heart?

Correct AnswerverifiedShow Answer

One of the chief functions of chromium is participation in the metabolism of which of the following nutrients?

Correct AnswerverifiedShow Answer

The body needs only a very small quantity of iodine.

Correct AnswerverifiedShow Answer

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Dehydration leads to a loss of...
View Answer

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C

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D

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A

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