Question 1

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

Accepted Answer

A) 500 
B) 700 
C) 1000 
D) 1200 
A) 500 
B) 700 
C) 1000 
D) 1200 B

Question 2

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 3

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 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. 
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.

Question 5

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. 
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.

Question 6

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. 
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.

Question 7

Approximately what percentage of those affected by osteoporosis are women?

Accepted Answer

A) 20 
B) 45 
C) 80 
D) >90 
A) 20 
B) 45 
C) 80 
D) >90

Question 8

The absorption of some minerals is regulated by:

Accepted Answer

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

Question 9

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

Accepted Answer

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

Question 10

The group with the highest bone density is:

Accepted Answer

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

Question 11

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. 
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.

Question 12

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. 
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.

Question 13

The most abundant mineral in the body is:

Accepted Answer

A) calcium. 
B) sodium. 
C) potassium. 
D) magnesium. 
A) calcium. 
B) sodium. 
C) potassium. 
D) magnesium.

Question 14

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

Accepted Answer

Calcium: yogurt,milk,cheese,sa

Question 15

The most significant dietary factor contributing to osteoporosis is:

Accepted Answer

A) vitamin D. 
B) calcium. 
C) vitamin C. 
D) protein. 
A) vitamin D. 
B) calcium. 
C) vitamin C. 
D) protein.

Question 16

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

Accepted Answer

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

Question 17

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 18

What functions does phosphorus have in the body?

Accepted Answer

Phosphorus provides rigidity to bones an

Question 19

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 20

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

Accepted Answer

A) cortical 
B) enameled 
C) extrinsic 
D) trabecular 
A) cortical 
B) enameled 
C) extrinsic 
D) trabecular

Exam 11: Major Minerals and Bone Health

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

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

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

Which statement about mineral supplements is FALSE?

Which statement about age-related bone loss is true?

Which statement about osteoporosis is FALSE?

Approximately what percentage of those affected by osteoporosis are women?

The absorption of some minerals is regulated by:

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

The group with the highest bone density is:

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

Which statement concerning magnesium deficiency is FALSE?

The most abundant mineral in the body is:

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

The most significant dietary factor contributing to osteoporosis is:

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

What functions does phosphorus have in the body?

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

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

Nutrition: Food for Health

Nutrition Guidelines: Applying the Science of Nutrition

Digestion, absorption, and Metabolism

Carbohydrates: Sugars, starches, and Fiber

Lipids: Triglycerides, phospholipids, and Cholesterol

Proteins and Amino Acids

Energy Balance and Weight Management

The Water-Soluble Vitamins

The Fat-Soluble Vitamins

Water and the Electrolytes

The Trace Minerals

Nutrition and Physical Activity

Nutrition During Pregnancy and Lactation

Nutrition From Infancy to Adolescence

Nutrition and Aging: the Adult Years

Food Safety

World Hunger and Malnutrition

Focus On Alcohol

Focus On Eating Disorders

Focus On Phytochemicals

Focus on Nonvitamin/Nonmineral Supplements

Focus on Biotechnology

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