Question 1

Describe the role of magnesium as a cofactor,use specific examples.

Accepted Answer

Magnesium is a cofactor for over 300 enzymes in the human body.It is necessary for carbohydrate,protein,and lipid metabolism.Magnesium is also needed for the sodium-potassium ATPase pump,which maintains electrolyte concentrations across cell membranes and is important for nerve fiber signal transmission and muscle contraction.

Question 2

The group with the highest bone density is:

Accepted Answer

A)  African Americans.
B)  Asians.
C)  Hispanics.
D)  Non-Hispanic whites.E) A) and D)
F) A) and B)

Question 3

The hard compact layer found on the surface of bones is called __________ bone.

Accepted Answer

A)  cortical
B)  enameled
C)  extrinsic
D)  trabecularE) A) and C)
F) B) and C)

Question 4

Which statement about mineral supplements is FALSE?

Accepted Answer

A)  They can be toxic.
B)  Supplements of one mineral can decrease the bioavailability of other minerals.
C)  Supplements can help individuals meet their dietary needs.
D)  They should always be avoided.E) All of the above
F) C) and D)

Question 5

Helen is 53 years old,her daughter Sharon is 27 years old and her granddaughter,Mikayla,is 5.
A)What is the probable status of bone density in each of these three females?
B)What lifestyle risk factors are associated with osteoporosis?
C)What can each of the three females do to decrease the risk of osteoporosis in their lifetimes?

Accepted Answer

A.Helen is probably suffering from age-r...

Question 6

If Sharon were to become pregnant and have another baby,how would her calcium needs change throughout pregnancy and lactation?

Accepted Answer

Calcium needs do not change during pregn...

Question 7

Approximately what percentage of those affected by osteoporosis are women?

Accepted Answer

A)  20
B)  45
C)  80
D)  >90E) B) and C)
F) A) and B)

Question 8

What are good dietary sources of calcium? Phosphorus? Magnesium?

Accepted Answer

Calcium: yogurt,milk,cheese,sa...

Question 9

What functions does phosphorus have in the body?

Accepted Answer

Phosphorus provides rigidity to bones an...

Question 10

The most significant dietary factor contributing to osteoporosis is:

Accepted Answer

A)  vitamin D.
B)  calcium.
C)  vitamin C.
D)  protein.E) A) and C)
F) C) and D)

Question 11

The recommended intake of sulfur for adults is _____ mg/d.

Accepted Answer

A)  500
B)  700
C)  1000
D)  There is no recommended intake.E) C) and D)
F) A) and B)

Question 12

The recommended intake of calcium for adults is __________ mgs/day.

Accepted Answer

A)  500-700
B)  800-1000
C)  1000-1200
D)  1300-1500E) A) and B)
F) A) and D)

Question 13

The most abundant mineral in the body is:

Accepted Answer

A)  calcium.
B)  sodium.
C)  potassium.
D)  magnesium.E) B) and C)
F) A) and D)

Question 14

Which statement about osteoporosis is FALSE?

Accepted Answer

A)  It relates to a decrease in bone density.
B)  It has no early symptoms.
C)  Osteoporosis may result in a loss of height.
D)  It is primarily an American disease.E) A) and C)
F) A) and D)

Question 15

Which of the following is NOT a typical reason why women are at increased risk of osteoporosis?

Accepted Answer

A)  Women achieve a lower peak bone mass than men.
B)  Bone breakdown accelerates after menopause.
C)  Calcium absorption declines for a few years post-menopause.
D)  The hormonal changes that accompany menopause affect appetite for calcium-containing foods.E) A) and D)
F) All of the above

Question 16

The absorption of some minerals is regulated by:

Accepted Answer

A)  interaction with phospholipids.
B)  starches.
C)  transport proteins.
D)  binding to amino acids.E) B) and C)
F) A) and D)

Question 17

How do the phosphorus content of oranges,yogurt,and chicken compare? Which is the BEST source of phosphorus?

Accepted Answer

Yogurt is an excellent source of phosphorus,containing approximately 350 mg per 1 cup serving.Chicken is intermediate with about 200 mg of phosphorus in a 3 oz serving.Oranges contain the least amount of phosphorus,10 mg per medium orange.

Question 18

The RDA for phosphorus is ______ mg/d for adults.

Accepted Answer

A)  500
B)  700
C)  1000
D)  1200E) None of the above
F) B) and C) B

Question 19

Which statement concerning magnesium deficiency is FALSE?

Accepted Answer

A)  Deficiency is common in the general population.
B)  Symptoms include changes in heartbeat and blood pressure.
C)  It can be caused by diuretics.
D)  All of these statements are false.E) All of the above
F) B) and D)

Question 20

Which statement about age-related bone loss is true?

Accepted Answer

A)  It occurs primarily in females.
B)  It is not typically associated with any dietary changes.
C)  Age related bone loss proceeds at ~0.3-0.5% per year.
D)  It is usually related to over-activation of vitamin D in the kidney.E) A) and B)
F) A) and C)

Exam 11: Major Minerals and Bone Health

Describe the role of magnesium as a cofactor,use specific examples.

The group with the highest bone density is:

Correct Answer
verified

The hard compact layer found on the surface of bones is called __________ bone.

Correct Answer
verified

Which statement about mineral supplements is FALSE?

Correct Answer
verified

Correct Answer
verified
A.Helen is probably suffering from age-r...
View Answer

If Sharon were to become pregnant and have another baby,how would her calcium needs change throughout pregnancy and lactation?

Correct Answer
verified
Calcium needs do not change during pregn...
View Answer

Approximately what percentage of those affected by osteoporosis are women?

Correct Answer
verified

What are good dietary sources of calcium? Phosphorus? Magnesium?

Correct Answer
verified
Calcium: yogurt,milk,cheese,sa...
View Answer

What functions does phosphorus have in the body?

Correct Answer
verified
Phosphorus provides rigidity to bones an...
View Answer

The most significant dietary factor contributing to osteoporosis is:

Correct Answer
verified

The recommended intake of sulfur for adults is _____ mg/d.

Correct Answer
verified

The recommended intake of calcium for adults is __________ mgs/day.

Correct Answer
verified

The most abundant mineral in the body is:

Correct Answer
verified

Which statement about osteoporosis is FALSE?

Correct Answer
verified

Which of the following is NOT a typical reason why women are at increased risk of osteoporosis?

Correct Answer
verified

The absorption of some minerals is regulated by:

Correct Answer
verified

How do the phosphorus content of oranges,yogurt,and chicken compare? Which is the BEST source of phosphorus?

Correct Answer
verified
Yogurt is an excellent source of phosphorus,containing approximately 350 mg per 1 cup serving.Chicken is intermediate with about 200 mg of phosphorus in a 3 oz serving.Oranges contain the least amount of phosphorus,10 mg per medium orange.

The RDA for phosphorus is ______ mg/d for adults.

Correct Answer
verified
B

Which statement concerning magnesium deficiency is FALSE?

Correct Answer
verified

Which statement about age-related bone loss is true?

Correct Answer
verified

Exam 11: Major Minerals and Bone Health

Describe the role of magnesium as a cofactor,use specific examples.

The group with the highest bone density is:

Correct AnswerverifiedShow Answer

The hard compact layer found on the surface of bones is called __________ bone.

Correct AnswerverifiedShow Answer

Which statement about mineral supplements is FALSE?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedA.Helen is probably suffering from age-r...View AnswerShow Answer

If Sharon were to become pregnant and have another baby,how would her calcium needs change throughout pregnancy and lactation?

Correct AnswerverifiedCalcium needs do not change during pregn...View AnswerShow Answer

Approximately what percentage of those affected by osteoporosis are women?

Correct AnswerverifiedShow Answer

What are good dietary sources of calcium? Phosphorus? Magnesium?

Correct AnswerverifiedCalcium: yogurt,milk,cheese,sa...View AnswerShow Answer

What functions does phosphorus have in the body?

Correct AnswerverifiedPhosphorus provides rigidity to bones an...View AnswerShow Answer

The most significant dietary factor contributing to osteoporosis is:

Correct AnswerverifiedShow Answer

The recommended intake of sulfur for adults is _____ mg/d.

Correct AnswerverifiedShow Answer

The recommended intake of calcium for adults is __________ mgs/day.

Correct AnswerverifiedShow Answer

The most abundant mineral in the body is:

Correct AnswerverifiedShow Answer

Which statement about osteoporosis is FALSE?

Correct AnswerverifiedShow Answer

Which of the following is NOT a typical reason why women are at increased risk of osteoporosis?

Correct AnswerverifiedShow Answer

The absorption of some minerals is regulated by:

Correct AnswerverifiedShow Answer

How do the phosphorus content of oranges,yogurt,and chicken compare? Which is the BEST source of phosphorus?

Correct AnswerverifiedYogurt is an excellent source of phosphorus,containing approximately 350 mg per 1 cup serving.Chicken is intermediate with about 200 mg of phosphorus in a 3 oz serving.Oranges contain the least amount of phosphorus,10 mg per medium orange.

The RDA for phosphorus is ______ mg/d for adults.

Correct AnswerverifiedB

Which statement concerning magnesium deficiency is FALSE?

Correct AnswerverifiedShow Answer

Which statement about age-related bone loss is true?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
A.Helen is probably suffering from age-r...
View Answer

Correct Answer
verified
Calcium needs do not change during pregn...
View Answer

Correct Answer
verified

Correct Answer
verified
Calcium: yogurt,milk,cheese,sa...
View Answer

Correct Answer
verified
Phosphorus provides rigidity to bones an...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Yogurt is an excellent source of phosphorus,containing approximately 350 mg per 1 cup serving.Chicken is intermediate with about 200 mg of phosphorus in a 3 oz serving.Oranges contain the least amount of phosphorus,10 mg per medium orange.

Correct Answer
verified
B

Correct Answer
verified

Correct Answer
verified