Question 1

Which of the following is NOT a proposed factor associated with the increase in vitamin D deficiency among Americans?

Accepted Answer

A)  the decreased consumption of vitamin-D fortified milk products 
B)  the increase in the use of sunscreen products over the past several decades 
C)  the increase in the rates of obesity in the United States 
D)  the increased consumption of soft drinks 
A)  the decreased consumption of vitamin-D fortified milk products 
B)  the increase in the use of sunscreen products over the past several decades 
C)  the increase in the rates of obesity in the United States 
D)  the increased consumption of soft drinks

Question 2

Without vitamin C,collagen

Accepted Answer

A)  strands cannot dissociate into durable collagen fibers. 
B)  binds with iron, which causes its fibers to become thick and sclerotic. 
C)  takes on a helical structure that reduces its flexibility and strength. 
D)  chains cannot cross-link to form strong, stable strands. 
A)  strands cannot dissociate into durable collagen fibers. 
B)  binds with iron, which causes its fibers to become thick and sclerotic. 
C)  takes on a helical structure that reduces its flexibility and strength. 
D)  chains cannot cross-link to form strong, stable strands.

Question 3

Which of the following organs is NOT involved in the synthesis of vitamin D?

Accepted Answer

A)  skin 
B)  liver 
C)  kidneys 
D)  heart 
A)  skin 
B)  liver 
C)  kidneys 
D)  heart

Question 4

Signs and symptoms of scurvy include loose teeth,bone pain,and fractures.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following are two fat-soluble vitamins that humans obtain from non-dietary sources?

Accepted Answer

A)  A and C 
B)  A and E 
C)  D and K 
D)  niacin and thiamin 
A)  A and C 
B)  A and E 
C)  D and K 
D)  niacin and thiamin

Question 6

The human body typically absorbs less than 20% of the iron consumed in the diet.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following is NOT associated with poor vitamin D status?

Accepted Answer

A)  fair skin 
B)  obesity 
C)  indoor employment 
D)  use of sunscreens with a high SPF 
A)  fair skin 
B)  obesity 
C)  indoor employment 
D)  use of sunscreens with a high SPF

Question 8

Which of the following foods are particularly high in phosphorus?

Accepted Answer

A)  meats, milk, and eggs 
B)  green leafy vegetables 
C)  citrus fruits 
D)  table salt 
A)  meats, milk, and eggs 
B)  green leafy vegetables 
C)  citrus fruits 
D)  table salt

Question 9

Describe the process by which the body converts sunlight to active vitamin D in the body.Discuss the hormones and the organs involved in this process.

Accepted Answer

The process by which the body converts s

Question 10

The majority of the calcium formed in our bodies is found in the blood and soft tissues.

Accepted Answer

A) True 
 B)False

Question 11

The most abundant protein in the body is

Accepted Answer

A)  hemoglobin 
B)  myoglobin 
C)  osteocalcin 
D)  collagen. 
A)  hemoglobin 
B)  myoglobin 
C)  osteocalcin 
D)  collagen.

Question 12

How does bone serve as a "calcium bank" for the body?

Accepted Answer

Bone serves as a "calcium bank" for the

Question 13

Which of the following is FALSE about trabecular bone?

Accepted Answer

A)  very sensitive to changes in hormones and nutritional deficiencies 
B)  porous and spongy in composition 
C)  very rapid turnover 
D)  comprises approximately 80% of the skeleton 
A)  very sensitive to changes in hormones and nutritional deficiencies 
B)  porous and spongy in composition 
C)  very rapid turnover 
D)  comprises approximately 80% of the skeleton

Question 14

Vitamin D toxicity is associated with

Accepted Answer

A)  sunburns. 
B)  use of tanning booths. 
C)  high consumption of seafood. 
D)  use of vitamin D supplements. 
A)  sunburns. 
B)  use of tanning booths. 
C)  high consumption of seafood. 
D)  use of vitamin D supplements.

Question 15

Which of the following foods are good sources of magnesium?

Accepted Answer

A)  beans 
B)  citrus fruits 
C)  french fries and onion rings 
D)  milk, yogurt, and cheese 
A)  beans 
B)  citrus fruits 
C)  french fries and onion rings 
D)  milk, yogurt, and cheese

Question 16

Insufficient vitamin D during adulthood is associated with

Accepted Answer

A)  rickets. 
B)  osteomalacia. 
C)  kidney stones. 
D)  hypocalcemia. 
A)  rickets. 
B)  osteomalacia. 
C)  kidney stones. 
D)  hypocalcemia.

Question 17

Which of the following is the primary dietary source of vitamin D in the United States?

Accepted Answer

A)  fatty fish 
B)  cod liver oil 
C)  green leafy vegetables 
D)  fortified foods 
A)  fatty fish 
B)  cod liver oil 
C)  green leafy vegetables 
D)  fortified foods

Question 18

As bone resorption begins to occur more frequently than bone formation,adults tend to lose height.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following practices would decrease your risk of developing a vitamin D deficiency?

Accepted Answer

A)  Put on sunscreen before exposing your skin to sunlight. 
B)  Expose your skin to sunlight before 10:00 AM and after 3:00 PM. 
C)  Consume a diet that provides at least 600 IU of vitamin D per day. 
D)  Consume at least four glasses of fluoridated water each day. 
A)  Put on sunscreen before exposing your skin to sunlight. 
B)  Expose your skin to sunlight before 10:00 AM and after 3:00 PM. 
C)  Consume a diet that provides at least 600 IU of vitamin D per day. 
D)  Consume at least four glasses of fluoridated water each day.

Question 20

Consuming excessive amounts of calcium supplements can lead to mineral imbalances.

Accepted Answer

A) True 
 B)False

Exam 9: Nutrients Essential to Healthy Tissues

Which of the following is NOT a proposed factor associated with the increase in vitamin D deficiency among Americans?

Without vitamin C,collagen

Which of the following organs is NOT involved in the synthesis of vitamin D?

Signs and symptoms of scurvy include loose teeth,bone pain,and fractures.

Which of the following are two fat-soluble vitamins that humans obtain from non-dietary sources?

The human body typically absorbs less than 20% of the iron consumed in the diet.

Which of the following is NOT associated with poor vitamin D status?

Which of the following foods are particularly high in phosphorus?

Describe the process by which the body converts sunlight to active vitamin D in the body.Discuss the hormones and the organs involved in this process.

The majority of the calcium formed in our bodies is found in the blood and soft tissues.

The most abundant protein in the body is

How does bone serve as a "calcium bank" for the body?

Which of the following is FALSE about trabecular bone?

Vitamin D toxicity is associated with

Which of the following foods are good sources of magnesium?

Insufficient vitamin D during adulthood is associated with

Which of the following is the primary dietary source of vitamin D in the United States?

As bone resorption begins to occur more frequently than bone formation,adults tend to lose height.

Which of the following practices would decrease your risk of developing a vitamin D deficiency?

Consuming excessive amounts of calcium supplements can lead to mineral imbalances.

Nutrition: Linking Food and Health

Designing a Healthful Diet

The Human Body: Are We Really What We Eat

Carbohydrates: Plant-Derived Energy Nutrients

Fats: Essential Energy-Supplying Nutrients

Proteins: Crucial Components of All Body Tissues

Nutrients Involved in Fluid and Electrolyte Balance

Nutrients Essential to Key Body Functions

Achieving and Maintaining a Healthful Body Weight

Nutrition and Physical Activity: Keys to Good Health

Food Safety and Technology: Protecting Our Food

Food Equity,Sustainability,and Quality: The Challenge of Good Food

Nutrition Through the Lifecycle: Pregnancy and the First Year of Life

Nutrition Through the Lifecycle: Childhood to Late Adulthood

New Frontiers in Nutrition and Health

Healthful Eating Patterns

Disorders Related to Specific Foods

Diabetes

Cardiovascular Disease

Vitamins and Minerals: Micronutrients With Macro Powers

Alcohol

Cancer

Osteoporosis

Obesity

Disorders Related to Body Image, Eating, and Exercise

The Safety and Effectiveness of Dietary Supplements

Malnutrition

The Fetal Environment

Searching for the Fountain of Youth

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