Question 1

Which of the following provides the most thiamin per serving size?

Accepted Answer

A) Ham 
B) Squash 
C) Whole milk 
D) Whole-grain breads 
A) Ham 
B) Squash 
C) Whole milk 
D) Whole-grain breads

Question 2

The nasal spray route represents a safe and efficacious means for the supply of

Accepted Answer

A) folate. 
B) vitamin B1. 
C) vitamin C. 
D) vitamin B12. 
A) folate. 
B) vitamin B1. 
C) vitamin C. 
D) vitamin B12.

Question 3

Normally, the body's storage and re-utilization of vitamin B12 prevents a primary or secondary deficiency from occurring until after about

Accepted Answer

A) 3 days. 
B) 3 weeks. 
C) 3 months. 
D) 3 years. 
A) 3 days. 
B) 3 weeks. 
C) 3 months. 
D) 3 years.

Question 4

Folate deficiency has been reported in infants fed

Accepted Answer

A) soy milk. 
B) goat's milk. 
C) chicken liver. 
D) infant formula. 
A) soy milk. 
B) goat's milk. 
C) chicken liver. 
D) infant formula.

Question 5

Pernicious anemia results from a deficiency of

Accepted Answer

A) folate. 
B) selenium. 
C) vitamin B12. 
D) iron and copper. 
A) folate. 
B) selenium. 
C) vitamin B12. 
D) iron and copper.

Question 6

If a person refrained from ingesting any of the water-soluble vitamins, deficiency symptoms would appear last for

Accepted Answer

A) folate. 
B) vitamin C. 
C) vitamin B1. 
D) vitamin B12. 
A) folate. 
B) vitamin C. 
C) vitamin B1. 
D) vitamin B12.

Question 7

Why might vitamin C supplements be beneficial in treating the common cold?

Accepted Answer

A) They deactivate histamine 
B) They reduce episodes of diarrhea 
C) They destroy intestinal pathogens 
D) They alter hypothalamic control of body temperature 
A) They deactivate histamine 
B) They reduce episodes of diarrhea 
C) They destroy intestinal pathogens 
D) They alter hypothalamic control of body temperature

Question 8

The known dangers of taking vitamin supplements include all of the following except

Accepted Answer

A) vitamin toxicity. 
B) the taker may ignore warning signs of a disease. 
C) the taker may feel a false sense of security and consume a poor diet. 
D) pathogenic bacterial overgrowth of the large intestines leading to increased risk of infection. 
A) vitamin toxicity. 
B) the taker may ignore warning signs of a disease. 
C) the taker may feel a false sense of security and consume a poor diet. 
D) pathogenic bacterial overgrowth of the large intestines leading to increased risk of infection.

Question 9

Riboflavin is most easily destroyed when exposed to

Accepted Answer

A) heat. 
B) acid. 
C) alkali. 
D) ultraviolet light. 
A) heat. 
B) acid. 
C) alkali. 
D) ultraviolet light.

Question 10

Which of the following is the coenzyme form of thiamin?

Accepted Answer

A) Thiaminacide 
B) Thiamin pyrophosphate 
C) Thiamin adenine dinucleotide 
D) Thiamin flavin mononucleotide 
A) Thiaminacide 
B) Thiamin pyrophosphate 
C) Thiamin adenine dinucleotide 
D) Thiamin flavin mononucleotide

Question 11

What is the primary chemical reaction in which thiamin participates as a coenzyme?

Accepted Answer

A) Transfers amine groups in the synthesis of amino acids 
B) Transfers hydrogen atoms in the synthesis of erythrocytes 
C) Assists in addition of methyl groups to compounds involved in energy metabolism 
D) Assists in removal of one-carbon units from compounds involved in energy metabolism 
A) Transfers amine groups in the synthesis of amino acids 
B) Transfers hydrogen atoms in the synthesis of erythrocytes 
C) Assists in addition of methyl groups to compounds involved in energy metabolism 
D) Assists in removal of one-carbon units from compounds involved in energy metabolism

Question 12

People with the condition known as iron overload may be adversely affected from taking supplements of

Accepted Answer

A) niacin. 
B) retinol. 
C) cobalamin. 
D) ascorbic acid. 
A) niacin. 
B) retinol. 
C) cobalamin. 
D) ascorbic acid.

Question 13

The appearance of vitamin B12 deficiency symptoms may be delayed due to high intake of supplements of

Accepted Answer

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

Question 14

Which of the following is a feature of niacin nutrition?

Accepted Answer

A) Low doses may lead to kidney stones 
B) High doses may lower blood cholesterol 
C) Low doses may lead to heartburn and low blood pressure 
D) High doses may elevate red blood cell count in mildly anemic individuals 
A) Low doses may lead to kidney stones 
B) High doses may lower blood cholesterol 
C) Low doses may lead to heartburn and low blood pressure 
D) High doses may elevate red blood cell count in mildly anemic individuals

Question 15

What fraction of women capable of becoming pregnant ingest the RDA for folate?

Accepted Answer

A) ¼ 
B) 1/3 
C) ½ 
D) 2/3 
A) ¼ 
B) 1/3 
C) ½ 
D) 2/3

Question 16

A vitamin supplement labeled as "high potency" contains an amount that is

Accepted Answer

A) 50% of the Daily Value. 
B) equal to the UL. 
C) up to 200% of the Daily Value. 
D) 100% or more of the Daily Value. 
A) 50% of the Daily Value. 
B) equal to the UL. 
C) up to 200% of the Daily Value. 
D) 100% or more of the Daily Value.

Question 17

Which of the following nutrients functions to prevent the appearance of a bilateral, symmetrical dermatitis, primarily on areas exposed to the sun?

Accepted Answer

A) Niacin 
B) Choline 
C) Inositol 
D) Riboflavin 
A) Niacin 
B) Choline 
C) Inositol 
D) Riboflavin

Question 18

What is the minimum daily amount of ascorbic acid that will prevent the appearance of scorbutic symptoms in human beings?

Accepted Answer

A) 10 mg 
B) 30 mg 
C) 50 mg 
D) 60 mg 
A) 10 mg 
B) 30 mg 
C) 50 mg 
D) 60 mg

Question 19

Which of these meals is lowest in vitamin C?

Accepted Answer

A) Roast beef, carrots, noodles, and tea 
B) Hot dog, cabbage, french fries, and milk 
C) Roast beef, broccoli, noodles, and coffee 
D) Spaghetti with tomato sauce, meatball, garlic bread, and red wine 
A) Roast beef, carrots, noodles, and tea 
B) Hot dog, cabbage, french fries, and milk 
C) Roast beef, broccoli, noodles, and coffee 
D) Spaghetti with tomato sauce, meatball, garlic bread, and red wine

Question 20

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 intestines 
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 intestines 
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

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

Which of the following provides the most thiamin per serving size?

The nasal spray route represents a safe and efficacious means for the supply of

Normally, the body's storage and re-utilization of vitamin B12 prevents a primary or secondary deficiency from occurring until after about

Folate deficiency has been reported in infants fed

Pernicious anemia results from a deficiency of

If a person refrained from ingesting any of the water-soluble vitamins, deficiency symptoms would appear last for

Why might vitamin C supplements be beneficial in treating the common cold?

The known dangers of taking vitamin supplements include all of the following except

Riboflavin is most easily destroyed when exposed to

Which of the following is the coenzyme form of thiamin?

What is the primary chemical reaction in which thiamin participates as a coenzyme?

People with the condition known as iron overload may be adversely affected from taking supplements of

The appearance of vitamin B12 deficiency symptoms may be delayed due to high intake of supplements of

Which of the following is a feature of niacin nutrition?

What fraction of women capable of becoming pregnant ingest the RDA for folate?

A vitamin supplement labeled as "high potency" contains an amount that is

Which of the following nutrients functions to prevent the appearance of a bilateral, symmetrical dermatitis, primarily on areas exposed to the sun?

What is the minimum daily amount of ascorbic acid that will prevent the appearance of scorbutic symptoms in human beings?

Which of these meals is lowest in vitamin C?

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

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

Normally, the body's storage and re-utilization of vitamin B₁₂ prevents a primary or secondary deficiency from occurring until after about

The appearance of vitamin B₁₂ deficiency symptoms may be delayed due to high intake of supplements of

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