Question 1

A derivative of vitamin A,13-cis-retinoic acid (Accutane),is used to

Accepted Answer

A)  prevent xerophthalmia. 
B)  treat serious cases of acne. 
C)  treat hypercarotenemia. 
D)  prevent skin cancer. 
A)  prevent xerophthalmia. 
B)  treat serious cases of acne. 
C)  treat hypercarotenemia. 
D)  prevent skin cancer.

Question 2

After absorption,the fat-soluble vitamins are distributed to body cells by

Accepted Answer

A)  free fatty acids. 
B)  lipases. 
C)  mucopolysaccharides. 
D)  lipoproteins. 
A)  free fatty acids. 
B)  lipases. 
C)  mucopolysaccharides. 
D)  lipoproteins.

Question 3

Individuals at increased risk of vitamin D deficiency include all of the following EXCEPT

Accepted Answer

A)  elderly adults living in nursing homes. 
B)  dark-skinned children with limited outdoor activity. 
C)  young adults who eat high amounts of fatty fish and fish oils. 
D)  individuals with diseases of fat-malabsorption. 
A)  elderly adults living in nursing homes. 
B)  dark-skinned children with limited outdoor activity. 
C)  young adults who eat high amounts of fatty fish and fish oils. 
D)  individuals with diseases of fat-malabsorption.

Question 4

Dietary supplements can fully compensate for nutritionally poor diets.

Accepted Answer

A) True 
 B)False

Question 5

The biochemical functions of vitamin A include all of the following except:

Accepted Answer

A)  controlling vision in dim and bright light. 
B)  development and maintenance of mucus-forming cells. 
C)  cell differentiation. 
D)  coenzyme synthesis. 
A)  controlling vision in dim and bright light. 
B)  development and maintenance of mucus-forming cells. 
C)  cell differentiation. 
D)  coenzyme synthesis.

Question 6

When consumed in recommended amounts,approximately ________ of fat-soluble vitamins are absorbed.

Accepted Answer

A)  1-5% 
B)  5-20% 
C)  10-35% 
D)  40-90% 
A)  1-5% 
B)  5-20% 
C)  10-35% 
D)  40-90%

Question 7

Which of the following does NOT describe a vitamin?

Accepted Answer

A)  They are essential organic substances. 
B)  They are fat- or water-soluble. 
C)  They are needed in relatively small amounts. 
D)  They provide a rich source of energy. 
A)  They are essential organic substances. 
B)  They are fat- or water-soluble. 
C)  They are needed in relatively small amounts. 
D)  They provide a rich source of energy.

Question 8

Vitamin E is carried to the liver and other tissues by

Accepted Answer

A)  albumin. 
B)  hemoglobin. 
C)  lipoproteins. 
D)  retinol-binding proteins. 
A)  albumin. 
B)  hemoglobin. 
C)  lipoproteins. 
D)  retinol-binding proteins.

Question 9

The family of compounds known as vitamin K include

Accepted Answer

A)  phylloquinones and menaquinones. 
B)  tocopherols and tocotrienols. 
C)  retinol, retinal, and retinoic acid. 
D)  cholecalciferol and calcitriol. 
A)  phylloquinones and menaquinones. 
B)  tocopherols and tocotrienols. 
C)  retinol, retinal, and retinoic acid. 
D)  cholecalciferol and calcitriol.

Question 10

What trace mineral aids in vitamin E function?

Accepted Answer

The trace mineral that aids in vitamin E

Question 11

One means of detecting a vitamin K deficiency is to measure how quickly prothrombin in the blood can form a clot.

Accepted Answer

A) True 
 B)False

Question 12

Vitamin A supplements are not necessary for most adult Americans as they have significant reserves in

Accepted Answer

A)  the eye. 
B)  the skin. 
C)  the kidney. 
D)  the liver. 
A)  the eye. 
B)  the skin. 
C)  the kidney. 
D)  the liver.

Question 13

Vitamin E is a family of compounds comprised of the

Accepted Answer

A)  4 tocopherols. 
B)  4 tocotrienols. 
C)  4 triglycerides. 
D)  4 tocopherols and 4 tocotrienols. 
A)  4 tocopherols. 
B)  4 tocotrienols. 
C)  4 triglycerides. 
D)  4 tocopherols and 4 tocotrienols.

Question 14

Vitamin D synthesis in the skin is affected by all of the following EXCEPT

Accepted Answer

A)  use of sunscreen. 
B)  skin color. 
C)  geographic location. 
D)  All of these factors can affect vitamin D synthesis. 
A)  use of sunscreen. 
B)  skin color. 
C)  geographic location. 
D)  All of these factors can affect vitamin D synthesis.

Question 15

When viewing items at night or in very dim light,light strikes the retina of the eyes

Accepted Answer

A)  and causes the retinal to change from its cis form to its trans form. 
B)  and splits the rhodopsin into opsin and all-trans-retinal. 
C)  to trigger an electrical signal along the optic nerve. 
D)  All of these choices are accurate. 
A)  and causes the retinal to change from its cis form to its trans form. 
B)  and splits the rhodopsin into opsin and all-trans-retinal. 
C)  to trigger an electrical signal along the optic nerve. 
D)  All of these choices are accurate.

Question 16

Vitamin D deficiency in adults is called

Accepted Answer

A)  osteoporosis. 
B)  osteomalacia. 
C)  rickets. 
D)  hypocalcemia. 
A)  osteoporosis. 
B)  osteomalacia. 
C)  rickets. 
D)  hypocalcemia.

Question 17

List 3 differences between fat-soluble and water-soluble vitamins.

Accepted Answer

Fat-soluble and water-soluble vitamins d

Question 18

The most nutrient-dense sources of vitamin E are

Accepted Answer

A)  refined grains and cereal products. 
B)  orange-colored fruits. 
C)  vegetable oils. 
D)  animal fats. 
A)  refined grains and cereal products. 
B)  orange-colored fruits. 
C)  vegetable oils. 
D)  animal fats.

Question 19

Vitamin D is sometimes called the sunshine vitamin because

Accepted Answer

A)  it is available in fresh orange juice. 
B)  exposure to sunlight converts a precursor form to vitamin D. 
C)  it can be destroyed by exposure to sunlight. 
D)  it is the yellow-orange color of the sun. 
A)  it is available in fresh orange juice. 
B)  exposure to sunlight converts a precursor form to vitamin D. 
C)  it can be destroyed by exposure to sunlight. 
D)  it is the yellow-orange color of the sun.

Question 20

Excess intake of vitamin D

Accepted Answer

A)  is readily excreted. 
B)  can cause hypercalcemia. 
C)  can cause rickets. 
D)  can cause osteomalacia. 
A)  is readily excreted. 
B)  can cause hypercalcemia. 
C)  can cause rickets. 
D)  can cause osteomalacia.

A derivative of vitamin A,13-cis-retinoic acid (Accutane),is used to

After absorption,the fat-soluble vitamins are distributed to body cells by

Individuals at increased risk of vitamin D deficiency include all of the following EXCEPT

Dietary supplements can fully compensate for nutritionally poor diets.

The biochemical functions of vitamin A include all of the following except:

When consumed in recommended amounts,approximately ________ of fat-soluble vitamins are absorbed.

Which of the following does NOT describe a vitamin?

Vitamin E is carried to the liver and other tissues by

The family of compounds known as vitamin K include

What trace mineral aids in vitamin E function?

One means of detecting a vitamin K deficiency is to measure how quickly prothrombin in the blood can form a clot.

Vitamin A supplements are not necessary for most adult Americans as they have significant reserves in

Vitamin E is a family of compounds comprised of the

Vitamin D synthesis in the skin is affected by all of the following EXCEPT

When viewing items at night or in very dim light,light strikes the retina of the eyes

Vitamin D deficiency in adults is called

List 3 differences between fat-soluble and water-soluble vitamins.

The most nutrient-dense sources of vitamin E are

Vitamin D is sometimes called the sunshine vitamin because

Excess intake of vitamin D

The Science of Nutrition

Tools of a Healthy Diet

The Food Supply

Human Digestion and Absorption

Carbohydrates

Lipids

Protein

Alcohol

Energy Metabolism

Energy Balance,weight Control, Eating Disorders

Nutrition, exercise, and Sports

Water-Soluble Vitamins

Water and Major Minerals

Trace Minerals

Nutritional Aspects of Pregnancy and Breastfeeding

Nutrition During the Growing Years

Nutrition Throughout Adulthood

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Exam 12: Fat-Soluble Vitamins

A derivative of vitamin A,13-cis-retinoic acid (Accutane),is used to

After absorption,the fat-soluble vitamins are distributed to body cells by

Individuals at increased risk of vitamin D deficiency include all of the following EXCEPT

Dietary supplements can fully compensate for nutritionally poor diets.

The biochemical functions of vitamin A include all of the following except:

When consumed in recommended amounts,approximately ________ of fat-soluble vitamins are absorbed.

Which of the following does NOT describe a vitamin?

Vitamin E is carried to the liver and other tissues by

The family of compounds known as vitamin K include

What trace mineral aids in vitamin E function?

One means of detecting a vitamin K deficiency is to measure how quickly prothrombin in the blood can form a clot.

Vitamin A supplements are not necessary for most adult Americans as they have significant reserves in

Vitamin E is a family of compounds comprised of the

Vitamin D synthesis in the skin is affected by all of the following EXCEPT

When viewing items at night or in very dim light,light strikes the retina of the eyes

Vitamin D deficiency in adults is called

List 3 differences between fat-soluble and water-soluble vitamins.

The most nutrient-dense sources of vitamin E are

Vitamin D is sometimes called the sunshine vitamin because

Excess intake of vitamin D

The Science of Nutrition

Tools of a Healthy Diet

The Food Supply

Human Digestion and Absorption

Carbohydrates

Lipids

Protein

Alcohol

Energy Metabolism

Energy Balance,weight Control, Eating Disorders

Nutrition, exercise, and Sports

Water-Soluble Vitamins

Water and Major Minerals

Trace Minerals

Nutritional Aspects of Pregnancy and Breastfeeding

Nutrition During the Growing Years

Nutrition Throughout Adulthood

Filters