Question 1

Pantothenic acid forms part of which molecule?

Accepted Answer

A) Coenzyme A 
B) Flavinadenine dinucleotide 
C) Pyridoxal phosphate 
D) Adenosine triphosphate 
A) Coenzyme A 
B) Flavinadenine dinucleotide 
C) Pyridoxal phosphate 
D) Adenosine triphosphate

Question 2

A person consuming a diet deficient in dairy products but otherwise adequate,would have the most difficulty obtaining sufficient amounts of which vitamin?

Accepted Answer

A) Niacin 
B) Riboflavin 
C) Iron 
D) Vitamin C 
A) Niacin 
B) Riboflavin 
C) Iron 
D) Vitamin C

Question 3

Which disease is caused by niacin deficiency?

Accepted Answer

A) Beriberi 
B) Scurvy 
C) Pellagra 
D) None of the above 
A) Beriberi 
B) Scurvy 
C) Pellagra 
D) None of the above

Question 4

Beriberi is a disease caused by lack of ________ in the diet.

Accepted Answer

A) riboflavin 
B) thiamin 
C) vitamin C 
D) niacin 
A) riboflavin 
B) thiamin 
C) vitamin C 
D) niacin

Question 5

Many B vitamins function as ______,which bind to enzymes to promote their activity.

Accepted Answer

A) provitamins 
B) transport proteins 
C) coenzymes 
D) hormones 
A) provitamins 
B) transport proteins 
C) coenzymes 
D) hormones

Question 6

A common adverse effect of niacin toxicity is:

Accepted Answer

A) dermatitis. 
B) flushing of the skin. 
C) dementia. 
D) hives. 
A) dermatitis. 
B) flushing of the skin. 
C) dementia. 
D) hives.

Question 7

Choline deficiency may contribute to all of the following EXCEPT:

Accepted Answer

A) neurological disorders. 
B) development of diabetes. 
C) atherosclerosis. 
D) liver disease. 
A) neurological disorders. 
B) development of diabetes. 
C) atherosclerosis. 
D) liver disease.

Question 8

Vitamin B6 is NOT involved in which physiologic process?

Accepted Answer

A) Formation of non-essential amino acids 
B) Hemoglobin synthesis 
C) Collagen formation 
D) Formation of white blood cells important for immunity 
A) Formation of non-essential amino acids 
B) Hemoglobin synthesis 
C) Collagen formation 
D) Formation of white blood cells important for immunity

Question 9

Which group is at risk for folate deficiency?

Accepted Answer

A) Premature infants 
B) Elderly 
C) Smokers 
D) All of the above 
A) Premature infants 
B) Elderly 
C) Smokers 
D) All of the above

Question 10

Folate deficiency may cause all the following except:

Accepted Answer

A) development of cancer. 
B) microcytic anemia. 
C) poor growth. 
D) inflammation of the tongue. 
A) development of cancer. 
B) microcytic anemia. 
C) poor growth. 
D) inflammation of the tongue.

Question 11

The ____________ is the site of most vitamin absorption into the body.

Accepted Answer

A) large intestine 
B) stomach 
C) small intestine 
D) mouth 
A) large intestine 
B) stomach 
C) small intestine 
D) mouth

Question 12

Vitamin B12 deficiency caused by a lack of intrinsic factor results in:

Accepted Answer

A) beriberi. 
B) scurvy. 
C) pernicious anemia. 
D) pellagra. 
A) beriberi. 
B) scurvy. 
C) pernicious anemia. 
D) pellagra.

Question 13

Which food is the best source of folate?

Accepted Answer

A) Lentils 
B) Chicken 
C) Cheese 
D) Brown rice 
A) Lentils 
B) Chicken 
C) Cheese 
D) Brown rice

Question 14

Which is a good dietary source of thiamin?

Accepted Answer

A) Sunflower seeds 
B) Pork 
C) Whole grains 
D) All of the above 
A) Sunflower seeds 
B) Pork 
C) Whole grains 
D) All of the above

Question 15

Which physiologic process requires vitamin B12?

Accepted Answer

A) Division of red blood cells 
B) Synthesis of proteins 
C) Activation of niacin 
D) Maintenance of myelin and normal nerve transmission 
A) Division of red blood cells 
B) Synthesis of proteins 
C) Activation of niacin 
D) Maintenance of myelin and normal nerve transmission

Question 16

Which statement about niacin is true?

Accepted Answer

A) There is no UL established for niacin intake. 
B) Niacin is important in the production of energy from dietary nutrients. 
C) Niacin deficiency causes adverse effects in limited areas of the body. 
D) Niacin is needed to synthesize tryptophan. 
A) There is no UL established for niacin intake. 
B) Niacin is important in the production of energy from dietary nutrients. 
C) Niacin deficiency causes adverse effects in limited areas of the body. 
D) Niacin is needed to synthesize tryptophan.

Question 17

Elevated homocysteine is associated with increased risk of cardiovascular disease.In clinical studies,which vitamins have been shown to decrease homocysteine levels in the blood?

Accepted Answer

A) Vitamins A,C & E 
B) Riboflavin,A & folate 
C) B6,folate & B12 
D) Pantothenic acid,riboflavin & biotin 
A) Vitamins A,C & E 
B) Riboflavin,A & folate 
C) B6,folate & B12 
D) Pantothenic acid,riboflavin & biotin

Question 18

Riboflavin supplementation:

Accepted Answer

A) is recommended for those with low fiber intake. 
B) can decrease the high risk for deficiency in the American public. 
C) can improve vision. 
D) does not provide an energy boost. 
A) is recommended for those with low fiber intake. 
B) can decrease the high risk for deficiency in the American public. 
C) can improve vision. 
D) does not provide an energy boost.

Question 19

Which of the following statements about vitamin B12 deficiency is true?

Accepted Answer

A) Connective tissue abnormalities are common. 
B) Symptoms can appear quite rapidly. 
C) Myelin degeneration can cause neurological symptoms. 
D) All of the above are true. 
A) Connective tissue abnormalities are common. 
B) Symptoms can appear quite rapidly. 
C) Myelin degeneration can cause neurological symptoms. 
D) All of the above are true.

Question 20

Which lifestyle factor increases the requirement for vitamin C?

Accepted Answer

A) Drinking alcohol 
B) Exercising frequently and intensely 
C) Smoking cigarettes 
D) Eating a diet high in fiber 
A) Drinking alcohol 
B) Exercising frequently and intensely 
C) Smoking cigarettes 
D) Eating a diet high in fiber

Exam 8: The Water-Soluble Vitamins

Pantothenic acid forms part of which molecule?

A person consuming a diet deficient in dairy products but otherwise adequate,would have the most difficulty obtaining sufficient amounts of which vitamin?

Which disease is caused by niacin deficiency?

Beriberi is a disease caused by lack of ________ in the diet.

Many B vitamins function as ______,which bind to enzymes to promote their activity.

A common adverse effect of niacin toxicity is:

Choline deficiency may contribute to all of the following EXCEPT:

Vitamin B6 is NOT involved in which physiologic process?

Which group is at risk for folate deficiency?

Folate deficiency may cause all the following except:

The ____________ is the site of most vitamin absorption into the body.

Vitamin B12 deficiency caused by a lack of intrinsic factor results in:

Which food is the best source of folate?

Which is a good dietary source of thiamin?

Which physiologic process requires vitamin B12?

Which statement about niacin is true?

Elevated homocysteine is associated with increased risk of cardiovascular disease.In clinical studies,which vitamins have been shown to decrease homocysteine levels in the blood?

Riboflavin supplementation:

Which of the following statements about vitamin B12 deficiency is true?

Which lifestyle factor increases the requirement for vitamin C?

Nutrition: Food for Health

Nutrition Guidelines: Applying the Science of Nutrition

Digestion, absorption, and Metabolism

Carbohydrates: Sugars, starches, and Fiber

Lipids: Triglycerides, phospholipids, and Cholesterol

Proteins and Amino Acids

Energy Balance and Weight Management

The Fat-Soluble Vitamins

Water and the Electrolytes

Major Minerals and Bone Health

The Trace Minerals

Nutrition and Physical Activity

Nutrition During Pregnancy and Lactation

Nutrition From Infancy to Adolescence

Nutrition and Aging: the Adult Years

Food Safety

World Hunger and Malnutrition

Focus On Alcohol

Focus On Eating Disorders

Focus On Phytochemicals

Focus on Nonvitamin/Nonmineral Supplements

Focus on Biotechnology

Filters

Vitamin B₆ is NOT involved in which physiologic process?

Vitamin B₁₂ deficiency caused by a lack of intrinsic factor results in:

Which physiologic process requires vitamin B₁₂?

Which of the following statements about vitamin B₁₂ deficiency is true?