Question 1

Which of the following is NOT among the factors required for efficient dietary absorption of vitamin B12?

Accepted Answer

A) Pepsin 
B) Intrinsic factor 
C) Hydrochloric acid 
D) Mucosal cobalaminase 
A) Pepsin 
B) Intrinsic factor 
C) Hydrochloric acid 
D) Mucosal cobalaminase

Question 2

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 3

How does the method of cooking affect thiamin stability?

Accepted Answer

A) Microwaving the food conserves much of the thiamin 
B) Prolonged heating of the food has little,if any,effect on the thiamin 
C) Boiling the food tends to conserve thiamin by forming a stable,hydrated complex 
D) Steaming the food can lead to substantial thiamin loss due to the high heat needed to form the steam 
A) Microwaving the food conserves much of the thiamin 
B) Prolonged heating of the food has little,if any,effect on the thiamin 
C) Boiling the food tends to conserve thiamin by forming a stable,hydrated complex 
D) Steaming the food can lead to substantial thiamin loss due to the high heat needed to form the steam

Question 4

A low-protein diet in which corn is a principal food has been found to cause a deficiency of what vitamin?

Accepted Answer

A) Niacin 
B) Thiamin 
C) Vitamin C 
D) Vitamin B12 
A) Niacin 
B) Thiamin 
C) Vitamin C 
D) Vitamin B12

Question 5

The adult RDA for vitamin B12 (µg/day)is

Accepted Answer

A) 0.5. 
B) 1.25. 
C) 2.4. 
D) 4.0. 
A) 0.5. 
B) 1.25. 
C) 2.4. 
D) 4.0.

Question 6

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 7

Which of the following is NOT among the general characteristics of the water-soluble vitamins?

Accepted Answer

A) They must be consumed daily 
B) Toxic levels in the body are rarely found 
C) They are absorbed directly into the blood 
D) Excesses are eliminated by the kidneys 
A) They must be consumed daily 
B) Toxic levels in the body are rarely found 
C) They are absorbed directly into the blood 
D) Excesses are eliminated by the kidneys

Question 8

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 9

Methylcobalamin is a coenzyme form of

Accepted Answer

A) vitamin B1. 
B) vitamin B6. 
C) vitamin B12. 
D) niacin. 
A) vitamin B1. 
B) vitamin B6. 
C) vitamin B12. 
D) niacin.

Question 10

What organ stores the highest concentration of vitamin C?

Accepted Answer

A) Liver 
B) Muscle 
C) Thyroid gland 
D) Adrenal glands 
A) Liver 
B) Muscle 
C) Thyroid gland 
D) Adrenal glands

Question 11

Biotin can be synthesized by

Accepted Answer

A) avidin. 
B) the skin. 
C) the liver. 
D) intestinal bacteria. 
A) avidin. 
B) the skin. 
C) the liver. 
D) intestinal bacteria.

Question 12

Which of the following is a feature of nutrient intakes and supplement use in the United States?

Accepted Answer

A) Few people ingest the optimal amounts of all vitamins and minerals from foods 
B) The NIH recommends that people use supplements to prevent chronic diseases 
C) The NIH recommends that people NOT use supplements to prevent chronic diseases 
D) The FDA recognizes that most nutrient supplements are associated with little,if any,harm 
A) Few people ingest the optimal amounts of all vitamins and minerals from foods 
B) The NIH recommends that people use supplements to prevent chronic diseases 
C) The NIH recommends that people NOT use supplements to prevent chronic diseases 
D) The FDA recognizes that most nutrient supplements are associated with little,if any,harm

Question 13

Which of the following is NOT a feature of folate nutrition?

Accepted Answer

A) Most food folate is bound to a string of amino acids 
B) Folate is actively secreted back into the GI tract with bile 
C) Food folate must be hydrolyzed by intestinal cell enzymes prior to absorption 
D) Folate must be methylated by homocysteine prior to crossing the brush border membrane 
A) Most food folate is bound to a string of amino acids 
B) Folate is actively secreted back into the GI tract with bile 
C) Food folate must be hydrolyzed by intestinal cell enzymes prior to absorption 
D) Folate must be methylated by homocysteine prior to crossing the brush border membrane

Question 14

Which of the following is known to perform an essential function in the human body?

Accepted Answer

A) Carnitine 
B) Orotic acid 
C) Methoxantin 
D) Pangamic acid 
A) Carnitine 
B) Orotic acid 
C) Methoxantin 
D) Pangamic acid

Question 15

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: 1/2 cup of cooked lentils (180 μg food folate)
1/2 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 16

Which of the following vitamins is synthesized in significant amounts by intestinal bacteria?

Accepted Answer

A) Folate 
B) Biotin 
C) Cyanocobalamin 
D) Pantothenic acid 
A) Folate 
B) Biotin 
C) Cyanocobalamin 
D) Pantothenic acid

Question 17

Which of the following is NOT among the common effects from ingesting a mild iron overdose?

Accepted Answer

A) Nausea 
B) GI distress 
C) Black tongue 
D) Black diarrhea 
A) Nausea 
B) GI distress 
C) Black tongue 
D) Black diarrhea

Question 18

Which of the following is associated with a deficiency of folate?

Accepted Answer

A) Hemolysis 
B) Hypoxemia 
C) Hemolytic anemia 
D) Macrocytic anemia 
A) Hemolysis 
B) Hypoxemia 
C) Hemolytic anemia 
D) Macrocytic anemia

Question 19

Which of the following substances is known to adversely affect folate utilization?

Accepted Answer

A) Insulin 
B) Calcium supplements 
C) Regular use of antacids 
D) Vitamin B12 supplements 
A) Insulin 
B) Calcium supplements 
C) Regular use of antacids 
D) Vitamin B12 supplements

Question 20

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.

Which of the following is NOT among the factors required for efficient dietary absorption of vitamin B₁₂?

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

How does the method of cooking affect thiamin stability?

A low-protein diet in which corn is a principal food has been found to cause a deficiency of what vitamin?

The adult RDA for vitamin B₁₂ (µg/day)is

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

Which of the following is NOT among the general characteristics of the water-soluble vitamins?

Which of these meals is lowest in vitamin C?

Methylcobalamin is a coenzyme form of

What organ stores the highest concentration of vitamin C?

Biotin can be synthesized by

Which of the following is a feature of nutrient intakes and supplement use in the United States?

Which of the following is NOT a feature of folate nutrition?

Which of the following is known to perform an essential function in the human body?

Which of the following vitamins is synthesized in significant amounts by intestinal bacteria?

Which of the following is NOT among the common effects from ingesting a mild iron overdose?

Which of the following is associated with a deficiency of folate?

Which of the following substances is known to adversely affect folate utilization?

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

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 NOT among the factors required for efficient dietary absorption of vitamin B12?

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

How does the method of cooking affect thiamin stability?

A low-protein diet in which corn is a principal food has been found to cause a deficiency of what vitamin?

The adult RDA for vitamin B12 (µg/day)is

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

Which of the following is NOT among the general characteristics of the water-soluble vitamins?

Which of these meals is lowest in vitamin C?

Methylcobalamin is a coenzyme form of

What organ stores the highest concentration of vitamin C?

Biotin can be synthesized by

Which of the following is a feature of nutrient intakes and supplement use in the United States?

Which of the following is NOT a feature of folate nutrition?

Which of the following is known to perform an essential function in the human body?

Which of the following vitamins is synthesized in significant amounts by intestinal bacteria?

Which of the following is NOT among the common effects from ingesting a mild iron overdose?

Which of the following is associated with a deficiency of folate?

Which of the following substances is known to adversely affect folate utilization?

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

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

Which of the following is NOT among the factors required for efficient dietary absorption of vitamin B₁₂?

The adult RDA for vitamin B₁₂ (µg/day)is