Question 1

When the diet contains an adequate amount of protein, what amino acid can be used by the body to synthesize niacin?

Accepted Answer

A) Lysine 
B) Valine 
C) Tryptophan 
D) Phenylalanine 
A) Lysine 
B) Valine 
C) Tryptophan 
D) Phenylalanine

Question 2

Which of the following vitamins has an RDA?

Accepted Answer

A) Biotin 
B) Choline 
C) Cobalamin 
D) Pantothenic acid 
A) Biotin 
B) Choline 
C) Cobalamin 
D) Pantothenic acid

Question 3

Which of the following is a general function of vitamin C?

Accepted Answer

A) Antiviral agent 
B) Antifungal agent 
C) Anticancer agent 
D) Antioxidant agent 
A) Antiviral agent 
B) Antifungal agent 
C) Anticancer agent 
D) Antioxidant agent

Question 4

Which of the following is a characteristic of thiamin nutrition?

Accepted Answer

A) The coenzyme contains pyrosulfate 
B) It is required for regeneration of folate 
C) It is required for regeneration of niacin 
D) It is an integral part of the nerve cell membrane 
A) The coenzyme contains pyrosulfate 
B) It is required for regeneration of folate 
C) It is required for regeneration of niacin 
D) It is an integral part of the nerve cell membrane

Question 5

The signs and symptoms of riboflavin deficiency are known collectively as

Accepted Answer

A) pellagra. 
B) antiflavonosis. 
C) ariboflavinosis. 
D) flavin adenine dinucleosis. 
A) pellagra. 
B) antiflavonosis. 
C) ariboflavinosis. 
D) flavin adenine dinucleosis.

Question 6

Forms of vitamin B6 include all of the following except

Accepted Answer

A) pyridoxal. 
B) pyridoxine. 
C) pyrimidine. 
D) pyridoxamine. 
A) pyridoxal. 
B) pyridoxine. 
C) pyrimidine. 
D) pyridoxamine.

Question 7

Which of the following functions has a requirement for thiamin?

Accepted Answer

A) Blood coagulation 
B) Formation of red blood cells 
C) Energy release from energy-yielding nutrients 
D) Formation of epithelial cell mucopolysaccharides 
A) Blood coagulation 
B) Formation of red blood cells 
C) Energy release from energy-yielding nutrients 
D) Formation of epithelial cell mucopolysaccharides

Question 8

Nicole is pregnant and is trying to monitor her folate intake.She is eating foods high in folate as well as taking folate supplements, and she is having a hard time determining how many dietary folate equivalents she is consuming.Below is a list of her daily intake with respect to folate: ½ cup of cooked lentils (180 μg food folate)
½ cup of fresh orange juice (60 μg food folate)
Folate supplement (200 μg)
How many DFEs is Nicole consuming?

Accepted Answer

A) 440 
B) 480 
C) 540 
D) 580 
A) 440 
B) 480 
C) 540 
D) 580

Question 9

A person with a disorder that limits absorption of bile is at increased risk for deficiency of

Accepted Answer

A) folate. 
B) niacin. 
C) riboflavin. 
D) ascorbic acid. 
A) folate. 
B) niacin. 
C) riboflavin. 
D) ascorbic acid.

Question 10

Which of the following is classified as a conditionally essential nutrient?

Accepted Answer

A) PABA 
B) Choline 
C) Inositol 
D) Ubiquinone 
A) PABA 
B) Choline 
C) Inositol 
D) Ubiquinone

Question 11

Which of the following is a type of neural tube defect?

Accepted Answer

A) Scurvy 
B) Beriberi 
C) Pellagra 
D) Spina bifida 
A) Scurvy 
B) Beriberi 
C) Pellagra 
D) Spina bifida

Question 12

What vitamin is involved mainly with the replacement of red blood cells and digestive tract cells?

Accepted Answer

A) Folate 
B) Niacin 
C) Thiamin 
D) Riboflavin 
A) Folate 
B) Niacin 
C) Thiamin 
D) Riboflavin

Question 13

Which of the following statements is representative of vitamin supplementation practices?

Accepted Answer

A) Most people who take supplements consume a poor diet 
B) Most people should take supplements daily because of the great difficulty in obtaining the needed amounts from food 
C) People who have low energy intakes or are pregnant are at risk for developing deficiencies and may benefit from supplementation 
D) People should take supplements daily because nutrition surveys in the U.S.and Canada have detected deficiencies in some population groups 
A) Most people who take supplements consume a poor diet 
B) Most people should take supplements daily because of the great difficulty in obtaining the needed amounts from food 
C) People who have low energy intakes or are pregnant are at risk for developing deficiencies and may benefit from supplementation 
D) People should take supplements daily because nutrition surveys in the U.S.and Canada have detected deficiencies in some population groups

Question 14

Those groups of people who are at risk for developing marginal nutrient deficiencies and may benefit from taking vitamin supplements include all of the following except

Accepted Answer

A) vegans 
B) food faddists 
C) athletes who are engaged in intense competitive events 
D) people with low energy intakes, such as habitual dieters and the elderly 
A) vegans 
B) food faddists 
C) athletes who are engaged in intense competitive events 
D) people with low energy intakes, such as habitual dieters and the elderly

Question 15

Your brother Bob is a competitive body builder.His trainer suggested that he consume 4 egg white omelets per day.Bob remembers a warning about a possible vitamin deficiency from consuming too many egg whites and asks if he should follow the prescribed diet.Your reply to Bob is that he should not

Accepted Answer

A) be concerned as long as he consumes both the yolk and whites of the eggs. 
B) follow the diet, since the avidin in the egg whites could bind to niacin and prevent its absorption. 
C) follow the diet, since the avidin in the egg whites could bind to biotin and prevent its absorption. 
D) be concerned, because, when the eggs are cooked, the avidin protein is denatured, and thus does not pose a problem for deficiency disease. 
A) be concerned as long as he consumes both the yolk and whites of the eggs. 
B) follow the diet, since the avidin in the egg whites could bind to niacin and prevent its absorption. 
C) follow the diet, since the avidin in the egg whites could bind to biotin and prevent its absorption. 
D) be concerned, because, when the eggs are cooked, the avidin protein is denatured, and thus does not pose a problem for deficiency disease.

Question 16

Which of the following is a property of niacin in nutrition?

Accepted Answer

A) It is susceptible to destruction in foods exposed to light 
B) It participates primarily in reactions involving amino acids 
C) It is soluble in both water and lipids depending upon its chemical form 
D) It can be synthesized in the body from the essential amino acid tryptophan 
A) It is susceptible to destruction in foods exposed to light 
B) It participates primarily in reactions involving amino acids 
C) It is soluble in both water and lipids depending upon its chemical form 
D) It can be synthesized in the body from the essential amino acid tryptophan

Question 17

Riboflavin needs are more difficult to meet when the diet is low in

Accepted Answer

A) meats. 
B) grains. 
C) vegetables. 
D) dairy foods. 
A) meats. 
B) grains. 
C) vegetables. 
D) dairy foods.

Question 18

A person who shuns dairy and spends most of her time indoors would likely benefit from a supplement of

Accepted Answer

A) vitamin A. 
B) vitamin B6. 
C) vitamin C. 
D) vitamin D. 
A) vitamin A. 
B) vitamin B6. 
C) vitamin C. 
D) vitamin D.

Question 19

While researching your southern family history, you find that your grandmother had a sister who died fairly young.The symptoms leading up to her death included diarrhea, dermatitis, and dementia.Because the family led a poor, corn-farming existence, you suspect this relative died of

Accepted Answer

A) scurvy. 
B) cancer. 
C) pellagra. 
D) beriberi. 
A) scurvy. 
B) cancer. 
C) pellagra. 
D) beriberi.

Question 20

Approximately what percentage of dietary folate is bioavailable?

Accepted Answer

A) 10 
B) 25 
C) 50 
D) 80 
A) 10 
B) 25 
C) 50 
D) 80

Exam 10: The Water-Soluble Vitamins: B Vitamins and Vitamin C

When the diet contains an adequate amount of protein, what amino acid can be used by the body to synthesize niacin?

Which of the following vitamins has an RDA?

Which of the following is a general function of vitamin C?

Which of the following is a characteristic of thiamin nutrition?

The signs and symptoms of riboflavin deficiency are known collectively as

Forms of vitamin B6 include all of the following except

Which of the following functions has a requirement for thiamin?

A person with a disorder that limits absorption of bile is at increased risk for deficiency of

Which of the following is classified as a conditionally essential nutrient?

Which of the following is a type of neural tube defect?

What vitamin is involved mainly with the replacement of red blood cells and digestive tract cells?

Which of the following statements is representative of vitamin supplementation practices?

Those groups of people who are at risk for developing marginal nutrient deficiencies and may benefit from taking vitamin supplements include all of the following except

Your brother Bob is a competitive body builder.His trainer suggested that he consume 4 egg white omelets per day.Bob remembers a warning about a possible vitamin deficiency from consuming too many egg whites and asks if he should follow the prescribed diet.Your reply to Bob is that he should not

Which of the following is a property of niacin in nutrition?

Riboflavin needs are more difficult to meet when the diet is low in

A person who shuns dairy and spends most of her time indoors would likely benefit from a supplement of

While researching your southern family history, you find that your grandmother had a sister who died fairly young.The symptoms leading up to her death included diarrhea, dermatitis, and dementia.Because the family led a poor, corn-farming existence, you suspect this relative died of

Approximately what percentage of dietary folate is bioavailable?

An Overview of Nutrition

Planning a Healthy Diet

Digestion, Absorption, and Transport

The Carbohydrates: Sugars, Starches and Fibers

The Lipids: Triglycerides, Phospholipids, and Sterols

Protein: Amino Acids

Metabolism: Transformations and Interactions

Energy Balance and Body Composition

Weight Management: Overweight, Obesity, and Underweight

The Fat-Soluble Vitamins: A, D, E, and K

Water and the Major Minerals

The Trace Minerals

Life Cycle Nutrition: Pregnancy and Lactation

Life Cycle Nutrition: Infancy, Childhood, and Adolescence

Life Cycle Nutrition: Adulthood and the Later Years

Nutrition Care and Assessment

Nutrition Intervention

Medications, Diet-Drug Interactions, and Herbal Products

Enteral Nutrition Support

Parenteral Nutrition Support

Metabolic and Respiratory Stress

Upper Gastrointestinal Disorders

Lower Gastrointestinal Disorders

Liver Disease and Gallstones

Diabetes Mellitus

Cardiovascular Diseases

Kidney Diseases

Cancer and Hiv Infection

Filters

Forms of vitamin B₆ include all of the following except