Question 1

Vitamin A is involved in all of the following except:

Accepted Answer

A) maintaining healthy epithelial tissues. 
B) maintaining healthy eye tissues. 
C) fighting infection. 
D) releasing energy from the energy-yielding nutrients. 
A) maintaining healthy epithelial tissues. 
B) maintaining healthy eye tissues. 
C) fighting infection. 
D) releasing energy from the energy-yielding nutrients.

Question 2

The body makes one unit of retinol from approximately 12 units of beta-carotene.

Accepted Answer

A) True 
 B)False

Question 3

Overconsumption of the fat-soluble vitamins results in:

Accepted Answer

A) accumulation, which aids in the prevention of colds and infections. 
B) a nonobservable condition, because they are excreted. 
C) possible toxicity, due to an accumulation in the body. 
D) weight gain due to increased fat intake. 
A) accumulation, which aids in the prevention of colds and infections. 
B) a nonobservable condition, because they are excreted. 
C) possible toxicity, due to an accumulation in the body. 
D) weight gain due to increased fat intake.

Question 4

The only disease a vitamin can cure is the disease caused by a deficiency of that vitamin.

Accepted Answer

A) True 
 B)False

Question 5

Vitamin E deficiency causes:

Accepted Answer

A) xerophthalmia. 
B) rickets. 
C) erythrocyte hemolysis. 
D) osteomalacia. 
A) xerophthalmia. 
B) rickets. 
C) erythrocyte hemolysis. 
D) osteomalacia.

Question 6

Regarding vitamin E supplementation, scientists have concluded that:

Accepted Answer

A) there is not enough evidence to recommend taking supplements to prevent heart disease. 
B) sufficient evidence exists to recommend that everyone over 40 should take a supplement. 
C) large doses are more beneficial than low doses. 
D) all people who have had a heart attack should take a supplement. 
A) there is not enough evidence to recommend taking supplements to prevent heart disease. 
B) sufficient evidence exists to recommend that everyone over 40 should take a supplement. 
C) large doses are more beneficial than low doses. 
D) all people who have had a heart attack should take a supplement.

Question 7

Osteomalacia is mainly due to a deficiency of:

Accepted Answer

A) vitamin A. 
B) vitamin D. 
C) parathormone. 
D) calcitonin. 
A) vitamin A. 
B) vitamin D. 
C) parathormone. 
D) calcitonin.

Question 8

active form of vitamin A for vision is:

Accepted Answer

A) opsin. 
B) collagen. 
C) retinal. 
D) keratin. 
A) opsin. 
B) collagen. 
C) retinal. 
D) keratin.

Question 9

replacement of red blood cells and digestive tract cells depends most heavily on:

Accepted Answer

A) thiamin. 
B) riboflavin. 
C) niacin. 
D) folate. 
A) thiamin. 
B) riboflavin. 
C) niacin. 
D) folate.

Question 10

the list below, choose the most reliable food source of vitamin D for children.

Accepted Answer

A) whole grains 
B) fortified milk 
C) yogurt 
D) orange juice 
A) whole grains 
B) fortified milk 
C) yogurt 
D) orange juice

Question 11

Abuse of alcohol may lead to a severe form of thiamin deficiency called:

Accepted Answer

A) beriberi. 
B) Wernicke-Korsakoff syndrome. 
C) pellagra. 
D) rickets. 
A) beriberi. 
B) Wernicke-Korsakoff syndrome. 
C) pellagra. 
D) rickets.

Question 12

Vitamin E:

Accepted Answer

A) functions as an effective antisterility agent in human beings. 
B) protects vitamin A and polyunsaturated fatty acids from oxidation. 
C) is needed by human beings as a dietary supplement because of the variety of functions it has in the body. 
D) slows down the aging process. 
A) functions as an effective antisterility agent in human beings. 
B) protects vitamin A and polyunsaturated fatty acids from oxidation. 
C) is needed by human beings as a dietary supplement because of the variety of functions it has in the body. 
D) slows down the aging process.

Question 13

most well-known role of vitamin B₆ is in relation to:

Accepted Answer

A) carbohydrate and lactose metabolism. 
B) fat metabolism. 
C) protein and amino acid metabolism. 
D) mineral metabolism. 
A) carbohydrate and lactose metabolism. 
B) fat metabolism. 
C) protein and amino acid metabolism. 
D) mineral metabolism.

Question 14

Thiamin is involved in:

Accepted Answer

A) formation of red blood cells. 
B) blood coagulation. 
C) collagen formation. 
D) energy metabolism. 
A) formation of red blood cells. 
B) blood coagulation. 
C) collagen formation. 
D) energy metabolism.

Question 15

dietary deficiency of vitamin A can produce:

Accepted Answer

A) rickets. 
B) night blindness. 
C) a prolonged blood-clotting time. 
D) sensitivity to light. 
A) rickets. 
B) night blindness. 
C) a prolonged blood-clotting time. 
D) sensitivity to light.

Question 16

Which of the following foods would make the greatest contribution to a person's intake of riboflavin?

Accepted Answer

A) oatmeal 
B) milk 
C) oranges 
D) yellow squash 
A) oatmeal 
B) milk 
C) oranges 
D) yellow squash

Question 17

Which of the following is not a true statement about fat-soluble vitamins?

Accepted Answer

A) They are readily excreted from the body when consumed in excess. 
B) They must be bound to proteins to travel in the blood. 
C) They may be consumed less frequently than the water-soluble vitamins. 
D) They may accumulate to toxic levels in the body. 
A) They are readily excreted from the body when consumed in excess. 
B) They must be bound to proteins to travel in the blood. 
C) They may be consumed less frequently than the water-soluble vitamins. 
D) They may accumulate to toxic levels in the body.

Question 18

Studies suggest that a diet rich in carotenoids is associated with a lower risk of:

Accepted Answer

A) diabetes. 
B) arthritis. 
C) heart disease. 
D) osteoporosis. 
A) diabetes. 
B) arthritis. 
C) heart disease. 
D) osteoporosis.

Question 19

Which form of vitamin A is involved in gene expression?

Accepted Answer

A) retinoic acid 
B) retinol 
C) retinal 
D) retinol-binding protein 
A) retinoic acid 
B) retinol 
C) retinal 
D) retinol-binding protein

Exam 8: The Vitamins

Vitamin A is involved in all of the following except:

The body makes one unit of retinol from approximately 12 units of beta-carotene.

Overconsumption of the fat-soluble vitamins results in:

The only disease a vitamin can cure is the disease caused by a deficiency of that vitamin.

Vitamin E deficiency causes:

Regarding vitamin E supplementation, scientists have concluded that:

Osteomalacia is mainly due to a deficiency of:

active form of vitamin A for vision is:

replacement of red blood cells and digestive tract cells depends most heavily on:

the list below, choose the most reliable food source of vitamin D for children.

Abuse of alcohol may lead to a severe form of thiamin deficiency called:

Vitamin E:

most well-known role of vitamin B₆ is in relation to:

Thiamin is involved in:

dietary deficiency of vitamin A can produce:

Which of the following foods would make the greatest contribution to a person's intake of riboflavin?

Which of the following is not a true statement about fat-soluble vitamins?

Studies suggest that a diet rich in carotenoids is associated with a lower risk of:

Which form of vitamin A is involved in gene expression?

Overview of Nutrition and Health

Carbohydrates

Lipids

Protein

Digestion and Absorption

Metabolism, Energy Balance, and Body Composition

Weight Management: Overweight and Underweight

Water and the Minerals

Fitness and Nutrition

Nutrition Through the Life Span: Pregnancy and Lactation

Nutrition Through the Life Span: Infancy, Childhood, and Adolescence

Nutrition Through the Life Span: Later Adulthood

Illness and Nutrition Care

Medications, Diet-Drug Interactions, and Herbal Supplements

Specialized Nutrition Support: Enteral and Parenteral Nutrition

Foods and Food Consistency for Upper Gi Disorders

Fiber-Modified Diets for Lower Gastrointestinal Tract Disorders

Carbohydrate- and Fat-Modified Diets for Malabsorption Disorders

Nutrition Therapy for Liver and Gallbladder Diseases

Carbohydrate-Controlled Diets for Diabetes Mellitus

Fat-Controlled, Mineral-Modified Diets for Cardiovascular Diseases

Protein-, Mineral-, and Fluid-Modified Diets for Kidney Diseases

Energy- and Protein-Modified Diets for Metabolic and Respiratory Stress

Energy- and Protein-Modified Diets for Cancer and Hiv Infection

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