Question 1

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 D

Question 2

Which of the following is a feature of vitamin C in the body?

Accepted Answer

A) Severe deficiency is irreversible 
B) Low levels are found in people who chew tobacco 
C) Extremes of physical stress impair mobilization of vitamin C 
D) Severe deficiency signs become apparent when blood levels fall by about 20% 
A) Severe deficiency is irreversible 
B) Low levels are found in people who chew tobacco 
C) Extremes of physical stress impair mobilization of vitamin C 
D) Severe deficiency signs become apparent when blood levels fall by about 20% B

Question 3

Pernicious anemia results from a combination of lack of intrinsic factor and

Accepted Answer

A) ariboflavonosis. 
B) lack of hydrochloric acid. 
C) lack of pancreatic vitaminases. 
D) pharmacologic intakes of folate. 
A) ariboflavonosis. 
B) lack of hydrochloric acid. 
C) lack of pancreatic vitaminases. 
D) pharmacologic intakes of folate. B

Question 4

All of the following are features of vitamin B6 metabolism EXCEPT

Accepted Answer

A) a deficiency or toxicity leads to depression. 
B) its destruction and excretion are promoted by alcohol intake. 
C) it functions primarily as the coenzyme pyridoxal phosphate. 
D) it enhances physical performance when supplied at a level of l mg/g of dietary protein. 
A) a deficiency or toxicity leads to depression. 
B) its destruction and excretion are promoted by alcohol intake. 
C) it functions primarily as the coenzyme pyridoxal phosphate. 
D) it enhances physical performance when supplied at a level of l mg/g of dietary protein.

Question 5

Which of the following vitamins is known to sustain substantial losses during processing of food?

Accepted Answer

A) Biotin 
B) Niacin 
C) Vitamin B12 
D) Pantothenic acid 
A) Biotin 
B) Niacin 
C) Vitamin B12 
D) Pantothenic acid

Question 6

Nutrient supplements known as "green pills" often contain

Accepted Answer

A) mostly food coloring. 
B) high-potency vitamin C. 
C) dehydrated alfalfa and parsley. 
D) dried extracts of spoiled meats. 
A) mostly food coloring. 
B) high-potency vitamin C. 
C) dehydrated alfalfa and parsley. 
D) dried extracts of spoiled meats.

Question 7

Which of the following statements reflects our knowledge of water-soluble vitamin toxicity?

Accepted Answer

A) Toxicity symptoms for vitamin B6 can be severe and irreversible 
B) Toxicity symptoms for vitamin C include constipation and hyperactivity 
C) Toxicities of the B vitamins occur almost as often from foods as from supplements 
D) Toxicity of niacin has been reported in body builders taking large amounts of amino acid supplements 
A) Toxicity symptoms for vitamin B6 can be severe and irreversible 
B) Toxicity symptoms for vitamin C include constipation and hyperactivity 
C) Toxicities of the B vitamins occur almost as often from foods as from supplements 
D) Toxicity of niacin has been reported in body builders taking large amounts of amino acid supplements

Question 8

Which of the following is an early sign of vitamin C deficiency?

Accepted Answer

A) Bleeding gums 
B) Pernicious anemia 
C) Appearance of a cold 
D) Hysteria and depression 
A) Bleeding gums 
B) Pernicious anemia 
C) Appearance of a cold 
D) Hysteria and depression

Question 9

Which of the following food groups is a rich source of vitamin C?

Accepted Answer

A) Milk group 
B) Meat group 
C) Fruit group 
D) Grains group 
A) Milk group 
B) Meat group 
C) Fruit group 
D) Grains group

Question 10

What vitamin is involved intensively in amino acid metabolism?

Accepted Answer

A) Biotin 
B) Vitamin A 
C) Vitamin B6 
D) Riboflavin 
A) Biotin 
B) Vitamin A 
C) Vitamin B6 
D) Riboflavin

Question 11

What is the adult RDA for vitamin B6?

Accepted Answer

A) 1.3 mg/day 
B) 5.5 mg/day 
C) 15 mg/day 
D) 22 mg/day 
A) 1.3 mg/day 
B) 5.5 mg/day 
C) 15 mg/day 
D) 22 mg/day

Question 12

How many dietary folate equivalents are provided by 100 µg of a folate supplement?

Accepted Answer

A) 50 
B) 70 
C) 133 
D) 170 
A) 50 
B) 70 
C) 133 
D) 170

Question 13

Which of the following is required for the absorption of dietary vitamin B12?

Accepted Answer

A) Bile 
B) Lipase 
C) Intrinsic factor 
D) Carboxypeptidase 
A) Bile 
B) Lipase 
C) Intrinsic factor 
D) Carboxypeptidase

Question 14

What is the primary excretory route for the water-soluble vitamins?

Accepted Answer

A) Bile 
B) Kidney 
C) Intestine 
D) Perspiration 
A) Bile 
B) Kidney 
C) Intestine 
D) Perspiration

Question 15

Tryptophan can be used in the body to synthesize

Accepted Answer

A) FAD. 
B) biotin. 
C) niacin. 
D) inositol. 
A) FAD. 
B) biotin. 
C) niacin. 
D) inositol.

Question 16

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 17

Which of the following is a feature of vitamin B12 nutrition?

Accepted Answer

A) Deficiencies lead to "wet" beriberi 
B) Even marginal deficiency impairs cognitive function 
C) Excess intake leads to loss of appetite and constipation 
D) Severe deficiency is characterized chiefly by free-radical damage 
A) Deficiencies lead to "wet" beriberi 
B) Even marginal deficiency impairs cognitive function 
C) Excess intake leads to loss of appetite and constipation 
D) Severe deficiency is characterized chiefly by free-radical damage

Question 18

What is the function of intrinsic factor in vitamin B12 absorption?

Accepted Answer

A) It catalyzes release of the vitamin from its protein-bound form 
B) It attaches to the vitamin,thereby allowing absorption from the small intestine 
C) It acts as a storage protein for the vitamin within the intestinal epithelial cells 
D) It acts as a cofactor for mucosal enzymes involved in absorption of the vitamin 
A) It catalyzes release of the vitamin from its protein-bound form 
B) It attaches to the vitamin,thereby allowing absorption from the small intestine 
C) It acts as a storage protein for the vitamin within the intestinal epithelial cells 
D) It acts as a cofactor for mucosal enzymes involved in absorption of the vitamin

Question 19

If a dietary supplement poses a significant risk of illness to consumers,what agency must prove harm before removing the product from the market?

Accepted Answer

A) FDA 
B) CDC 
C) USDA 
D) USPHS 
A) FDA 
B) CDC 
C) USDA 
D) USPHS

Question 20

In the United States,what is the adult RDA for vitamin C?

Accepted Answer

A) 10-20 mg 
B) 50-60 mg 
C) 75-90 mg 
D) 100-135 mg 
A) 10-20 mg 
B) 50-60 mg 
C) 75-90 mg 
D) 100-135 mg

Which of the following is a characteristic of thiamin nutrition?

Which of the following is a feature of vitamin C in the body?

Pernicious anemia results from a combination of lack of intrinsic factor and

All of the following are features of vitamin B₆ metabolism EXCEPT

Which of the following vitamins is known to sustain substantial losses during processing of food?

Nutrient supplements known as "green pills" often contain

Which of the following statements reflects our knowledge of water-soluble vitamin toxicity?

Which of the following is an early sign of vitamin C deficiency?

Which of the following food groups is a rich source of vitamin C?

What vitamin is involved intensively in amino acid metabolism?

What is the adult RDA for vitamin B₆?

How many dietary folate equivalents are provided by 100 µg of a folate supplement?

Which of the following is required for the absorption of dietary vitamin B₁₂?

What is the primary excretory route for the water-soluble vitamins?

Tryptophan can be used in the body to synthesize

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

Which of the following is a feature of vitamin B₁₂ nutrition?

What is the function of intrinsic factor in vitamin B₁₂ absorption?

If a dietary supplement poses a significant risk of illness to consumers,what agency must prove harm before removing the product from the market?

In the United States,what is the adult RDA for vitamin C?

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

Energy Metabolism

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

Fitness: Physical Activity, nutrients, and Body Adaptations

Life Cycle Nutrition: Pregnancy and Lactation

Life Cycle Nutrition: Infancy, childhood, and Adolescence

Life Cycle Nutrition: Adulthood and the Later Years

Diet and Health

Consumer Concerns About Foods and Water

Hunger and the Global Environment

Filters

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

Which of the following is a characteristic of thiamin nutrition?

Which of the following is a feature of vitamin C in the body?

Pernicious anemia results from a combination of lack of intrinsic factor and

All of the following are features of vitamin B6 metabolism EXCEPT

Which of the following vitamins is known to sustain substantial losses during processing of food?

Nutrient supplements known as "green pills" often contain

Which of the following statements reflects our knowledge of water-soluble vitamin toxicity?

Which of the following is an early sign of vitamin C deficiency?

Which of the following food groups is a rich source of vitamin C?

What vitamin is involved intensively in amino acid metabolism?

What is the adult RDA for vitamin B6?

How many dietary folate equivalents are provided by 100 µg of a folate supplement?

Which of the following is required for the absorption of dietary vitamin B12?

What is the primary excretory route for the water-soluble vitamins?

Tryptophan can be used in the body to synthesize

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

Which of the following is a feature of vitamin B12 nutrition?

What is the function of intrinsic factor in vitamin B12 absorption?

If a dietary supplement poses a significant risk of illness to consumers,what agency must prove harm before removing the product from the market?

In the United States,what is the adult RDA for vitamin C?

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

Energy Metabolism

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

Fitness: Physical Activity, nutrients, and Body Adaptations

Life Cycle Nutrition: Pregnancy and Lactation

Life Cycle Nutrition: Infancy, childhood, and Adolescence

Life Cycle Nutrition: Adulthood and the Later Years

Diet and Health

Consumer Concerns About Foods and Water

Hunger and the Global Environment

Filters

All of the following are features of vitamin B₆ metabolism EXCEPT

What is the adult RDA for vitamin B₆?

Which of the following is required for the absorption of dietary vitamin B₁₂?

Which of the following is a feature of vitamin B₁₂ nutrition?

What is the function of intrinsic factor in vitamin B₁₂ absorption?