Question 1

Vitamin A toxicity is likely to occur from:

Accepted Answer

A) consuming too many dark green and deep orange vegetables. 
B) overconsumption of whole grains. 
C) consuming large amounts of fortified foods or vitamin A supplements. 
D) drinking too much orange juice. 
A) consuming too many dark green and deep orange vegetables. 
B) overconsumption of whole grains. 
C) consuming large amounts of fortified foods or vitamin A supplements. 
D) drinking too much orange juice. C

Question 2

_____ may occur from taking megadoses of vitamin C.

Accepted Answer

A) Iron overload 
B) Scurvy 
C) Gout 
D) Gallstones 
A) Iron overload 
B) Scurvy 
C) Gout 
D) Gallstones A

Question 3

formation of collagen requires an adequate intake of:

Accepted Answer

A) vitamin K. 
B) vitamin E. 
C) vitamin C. 
D) folate. 
A) vitamin K. 
B) vitamin E. 
C) vitamin C. 
D) folate. C

Question 4

Which of the following is not a fat-soluble vitamin?

Accepted Answer

A) vitamin A 
B) vitamin C 
C) vitamin D 
D) vitamin E 
E) vitamin K 
A) vitamin A 
B) vitamin C 
C) vitamin D 
D) vitamin E 
E) vitamin K

Question 5

After 30 minutes of sun exposure, which of the following people would have synthesized more vitamin D?

Accepted Answer

A) a light-skinned person 
B) a dark-skinned person 
C) neither, because skin pigmentation is not related to vitamin D synthesis 
D) they would both synthesize the same amount 
A) a light-skinned person 
B) a dark-skinned person 
C) neither, because skin pigmentation is not related to vitamin D synthesis 
D) they would both synthesize the same amount

Question 6

Factors that may limit sun exposure and, therefore, vitamin D synthesis include all of the following except:

Accepted Answer

A) geographic location. 
B) season of the year. 
C) sunscreens. 
D) use of tanning beds. 
A) geographic location. 
B) season of the year. 
C) sunscreens. 
D) use of tanning beds.

Question 7

Which of the following groups of people is most at risk for a primary deficiency of vitamin B₁₂?

Accepted Answer

A) the elderly 
B) infants 
C) athletes 
D) vegans 
A) the elderly 
B) infants 
C) athletes 
D) vegans

Question 8

Which of the following statements is not true regarding functional foods?

Accepted Answer

A) Functional foods provide health benefits beyond basic nutrition by altering one or more body processes. 
B) Vegetables, fruits, and other whole foods are examples of functional foods. 
C) Calcium-fortified orange juice is a functional food. 
D) The health benefits of functional foods are listed on the food label. 
A) Functional foods provide health benefits beyond basic nutrition by altering one or more body processes. 
B) Vegetables, fruits, and other whole foods are examples of functional foods. 
C) Calcium-fortified orange juice is a functional food. 
D) The health benefits of functional foods are listed on the food label.

Question 9

Excessive vitamin A during pregnancy poses a teratogenic risk.This means that:

Accepted Answer

A) it can increase the risk of birth defects. 
B) it can build up in the blood and cause calcification of soft tissues. 
C) it can result in a low-birth weight infant. 
D) it can increase the risk of infectious disease. 
A) it can increase the risk of birth defects. 
B) it can build up in the blood and cause calcification of soft tissues. 
C) it can result in a low-birth weight infant. 
D) it can increase the risk of infectious disease.

Question 10

of the symptoms of vitamin C deficiency, such as dry scaly skin and failure of wounds to heal, are related to the role of vitamin C in the synthesis of:

Accepted Answer

A) calcium and iron. 
B) thyroxin. 
C) collagen. 
D) adrenal hormones. 
A) calcium and iron. 
B) thyroxin. 
C) collagen. 
D) adrenal hormones.

Question 11

Overconsumption of the water-soluble vitamins will likely result in:

Accepted Answer

A) a reserve supply, which will aid in the prevention of colds and infections. 
B) no apparent change, because they are stored in the adipose tissues. 
C) no apparent change, because they are excreted. 
D) toxic accumulation in the liver. 
A) a reserve supply, which will aid in the prevention of colds and infections. 
B) no apparent change, because they are stored in the adipose tissues. 
C) no apparent change, because they are excreted. 
D) toxic accumulation in the liver.

Question 12

Sixty milligrams of niacin can be made from one milligram of tryptophan.

Accepted Answer

A) True 
 B)False

Question 13

Phytochemicals:

Accepted Answer

A) are essential nutrients. 
B) are bioactive compounds found in foods. 
C) have no biological activity in the body. 
D) are nonessential nutrients. 
A) are essential nutrients. 
B) are bioactive compounds found in foods. 
C) have no biological activity in the body. 
D) are nonessential nutrients.

Question 14

Among the following, the best food sources for the water-soluble vitamins are:

Accepted Answer

A) butter and vegetable oils. 
B) oranges and cereals. 
C) sugar and cornstarch. 
D) egg yolks and apples. 
A) butter and vegetable oils. 
B) oranges and cereals. 
C) sugar and cornstarch. 
D) egg yolks and apples.

Question 15

Many of the symptoms of vitamin A deficiency, such as blindness and an increase in respiratory infections, are related to the role of vitamin A in:

Accepted Answer

A) blood clotting. 
B) synthesis of visual pigment. 
C) maintaining the epithelial cells. 
D) synthesis of some hormones. 
A) blood clotting. 
B) synthesis of visual pigment. 
C) maintaining the epithelial cells. 
D) synthesis of some hormones.

Question 16

Excessive intakes of vitamin D by adults may result in:

Accepted Answer

A) greater bone density. 
B) mineral deposits in soft tissues such as the kidney. 
C) deformity of the leg bones, ribs, and skull. 
D) increased bone calcification. 
A) greater bone density. 
B) mineral deposits in soft tissues such as the kidney. 
C) deformity of the leg bones, ribs, and skull. 
D) increased bone calcification.

Question 17

Vitamin E is widespread in all of the following foods except:

Accepted Answer

A) margarine. 
B) salad dressing. 
C) wheat germ oil. 
D) butter. 
A) margarine. 
B) salad dressing. 
C) wheat germ oil. 
D) butter.

Question 18

Which of the following groups needs an intake of vitamin C in excess of the RDA?

Accepted Answer

A) smokers 
B) professional athletes 
C) the elderly 
D) growing children 
A) smokers 
B) professional athletes 
C) the elderly 
D) growing children

Question 19

major role of vitamin E in the body seems to be to:

Accepted Answer

A) aid in normal blood clotting. 
B) act as an antioxidant. 
C) aid in formation of normal epithelial tissue. 
D) act as a coenzyme in protein metabolism. 
A) aid in normal blood clotting. 
B) act as an antioxidant. 
C) aid in formation of normal epithelial tissue. 
D) act as a coenzyme in protein metabolism.

Question 20

chemical name for vitamin E is:

Accepted Answer

A) beta-carotene. 
B) cholecalciferol. 
C) ascorbic acid. 
D) tocopherol. 
A) beta-carotene. 
B) cholecalciferol. 
C) ascorbic acid. 
D) tocopherol.

Exam 8: The Vitamins

Vitamin A toxicity is likely to occur from:

_____ may occur from taking megadoses of vitamin C.

formation of collagen requires an adequate intake of:

Which of the following is not a fat-soluble vitamin?

After 30 minutes of sun exposure, which of the following people would have synthesized more vitamin D?

Factors that may limit sun exposure and, therefore, vitamin D synthesis include all of the following except:

Which of the following groups of people is most at risk for a primary deficiency of vitamin B₁₂?

Which of the following statements is not true regarding functional foods?

Excessive vitamin A during pregnancy poses a teratogenic risk.This means that:

of the symptoms of vitamin C deficiency, such as dry scaly skin and failure of wounds to heal, are related to the role of vitamin C in the synthesis of:

Overconsumption of the water-soluble vitamins will likely result in:

Sixty milligrams of niacin can be made from one milligram of tryptophan.

Phytochemicals:

Among the following, the best food sources for the water-soluble vitamins are:

Many of the symptoms of vitamin A deficiency, such as blindness and an increase in respiratory infections, are related to the role of vitamin A in:

Excessive intakes of vitamin D by adults may result in:

Vitamin E is widespread in all of the following foods except:

Which of the following groups needs an intake of vitamin C in excess of the RDA?

major role of vitamin E in the body seems to be to:

chemical name for vitamin E is:

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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