Question 1

Intrinsic factor is produced by the

Accepted Answer

A)  beta-cells of the pancreas. 
B)  salivary glands. 
C)  parietal cells of the stomach. 
D)  enterocytes of the small intestine. 
A)  beta-cells of the pancreas. 
B)  salivary glands. 
C)  parietal cells of the stomach. 
D)  enterocytes of the small intestine.

Question 2

Which group of individuals is advised to consume 400 micrograms of folic acid daily from supplements and/or fortified foods?

Accepted Answer

A)  infants 
B)  the elderly 
C)  athletes 
D)  women capable of becoming pregnant 
A)  infants 
B)  the elderly 
C)  athletes 
D)  women capable of becoming pregnant

Question 3

Pyridoxal phosphate

Accepted Answer

A)  participates in reactions that synthesize dispensable amino acids. 
B)  participates in reactions that synthesize indispensable amino acids. 
C)  prevents premenstrual syndrome. 
D)  is a natural oral contraceptive. 
A)  participates in reactions that synthesize dispensable amino acids. 
B)  participates in reactions that synthesize indispensable amino acids. 
C)  prevents premenstrual syndrome. 
D)  is a natural oral contraceptive.

Question 4

In addition to its role in amino acid metabolism,vitamin B-6 is also required for

Accepted Answer

A)  fatty acid metabolism. 
B)  the release of glucose from glycogen. 
C)  the electron transport chain. 
D)  glycolysis. 
A)  fatty acid metabolism. 
B)  the release of glucose from glycogen. 
C)  the electron transport chain. 
D)  glycolysis.

Question 5

Which of the foods listed below has the lowest niacin bioavailability?

Accepted Answer

A)  wheat 
B)  corn 
C)  almonds 
D)  spinach 
A)  wheat 
B)  corn 
C)  almonds 
D)  spinach

Question 6

The nutrients added to enriched grains typically include

Accepted Answer

A)  all of the B vitamins. 
B)  vitamin C, pantothenic acid, folic acid, and zinc. 
C)  thiamin, riboflavin, niacin, folic acid, and iron. 
D)  vitamin B-6, folic acid, vitamin B-12, and iron. 
A)  all of the B vitamins. 
B)  vitamin C, pantothenic acid, folic acid, and zinc. 
C)  thiamin, riboflavin, niacin, folic acid, and iron. 
D)  vitamin B-6, folic acid, vitamin B-12, and iron.

Question 7

A diet that provides 75 g protein per day can contribute __________ mg niacin from tryptophan.

Accepted Answer

A)  25 
B)  7.5 
C)  12.5 
D)  <5 
A)  25 
B)  7.5 
C)  12.5 
D)  <5

Question 8

Which meal contains the highest amount of vitamin C?

Accepted Answer

A)  Hamburger sandwich, french fries, and cola 
B)  Meat loaf, mashed potatoes and gravy, and diet cola 
C)  Baked fish with lemon, broccoli, cole slaw, and strawberries 
D)  Roast beef, carrots, noodles, and coffee 
A)  Hamburger sandwich, french fries, and cola 
B)  Meat loaf, mashed potatoes and gravy, and diet cola 
C)  Baked fish with lemon, broccoli, cole slaw, and strawberries 
D)  Roast beef, carrots, noodles, and coffee

Question 9

Megaloblastic anemia develops as a result of deficiencies of ________ and _____.

Accepted Answer

A)  thiamin; riboflavin. 
B)  vitamin B-6; folate. 
C)  folate; vitamin B-12. 
D)  vitamin K; folate. 
E)  All of these choices are accurate. 
A)  thiamin; riboflavin. 
B)  vitamin B-6; folate. 
C)  folate; vitamin B-12. 
D)  vitamin K; folate. 
E)  All of these choices are accurate.

Question 10

The best food sources of vitamin B-6 are

Accepted Answer

A)  meats, fish, and poultry. 
B)  milk and dairy products. 
C)  carrots, celery, and squash. 
D)  enriched breads and cereals. 
A)  meats, fish, and poultry. 
B)  milk and dairy products. 
C)  carrots, celery, and squash. 
D)  enriched breads and cereals.

Question 11

Persons who smoke have an increased need for

Accepted Answer

A)  vitamin B-12. 
B)  vitamin C. 
C)  folate. 
D)  biotin. 
A)  vitamin B-12. 
B)  vitamin C. 
C)  folate. 
D)  biotin.

Question 12

At intakes of supplemental vitamin C greater than 2 g/day,adverse effects,including _________,may occur.

Accepted Answer

A)  blood in the urine and muscle weakness 
B)  masking of a vitamin B-12 deficiency 
C)  gastrointestinal bloating and diarrhea 
D)  All of these choices are accurate. 
A)  blood in the urine and muscle weakness 
B)  masking of a vitamin B-12 deficiency 
C)  gastrointestinal bloating and diarrhea 
D)  All of these choices are accurate.

Question 13

The form of folate that is best absorbed is the

Accepted Answer

A)  monoglutamate form found in supplements and fortified foods. 
B)  polyglutamate form found naturally in foods. 
C)  reduced form found mainly in animal foods. 
D)  oxidized form found mainly in plant foods. 
E)  None of these answers, as all forms are absorbed equally well. 
A)  monoglutamate form found in supplements and fortified foods. 
B)  polyglutamate form found naturally in foods. 
C)  reduced form found mainly in animal foods. 
D)  oxidized form found mainly in plant foods. 
E)  None of these answers, as all forms are absorbed equally well.

Question 14

The coenzyme forms of niacin include

Accepted Answer

A)  nicotinic acid and nicotinamide. 
B)  FAD and FMN. 
C)  NAD and NADP. 
D)  ATP and FAD. 
A)  nicotinic acid and nicotinamide. 
B)  FAD and FMN. 
C)  NAD and NADP. 
D)  ATP and FAD.

Question 15

Large doses of riboflavin are nontoxic.

Accepted Answer

A) True 
 B)False

Question 16

In general,excess amounts of water-soluble vitamins are excreted via the

Accepted Answer

A)  kidneys. 
B)  intestine. 
C)  lungs. 
D)  skin. 
A)  kidneys. 
B)  intestine. 
C)  lungs. 
D)  skin.

Question 17

A good way to reduce risk of cardiovascular disease is to take supplements of vitamin B-6,vitamin B-12,folic acid,and vitamin C.

Accepted Answer

A) True 
 B)False

Question 18

The fact that the amino acid tryptophan can be converted to niacin by the body explains why

Accepted Answer

A)  diets high in protein could prevent or cure pellagra. 
B)  corn-based diets prevent pellagra. 
C)  gelatin cures pellagra. 
D)  alcoholics sometimes develop Wernicke-Korsakoff syndrome. 
A)  diets high in protein could prevent or cure pellagra. 
B)  corn-based diets prevent pellagra. 
C)  gelatin cures pellagra. 
D)  alcoholics sometimes develop Wernicke-Korsakoff syndrome.

Question 19

The B-vitamin most easily destroyed by exposure to light is

Accepted Answer

A)  biotin. 
B)  niacin. 
C)  riboflavin. 
D)  thiamin. 
A)  biotin. 
B)  niacin. 
C)  riboflavin. 
D)  thiamin.

Question 20

Which group of foods provides substantial amounts of vitamin C?

Accepted Answer

A)  Citrus fruits and vegetables 
B)  Milk and dairy products 
C)  Beef, poultry, seafood 
D)  Breads and cereals 
A)  Citrus fruits and vegetables 
B)  Milk and dairy products 
C)  Beef, poultry, seafood 
D)  Breads and cereals

Intrinsic factor is produced by the

Which group of individuals is advised to consume 400 micrograms of folic acid daily from supplements and/or fortified foods?

Pyridoxal phosphate

In addition to its role in amino acid metabolism,vitamin B-6 is also required for

Which of the foods listed below has the lowest niacin bioavailability?

The nutrients added to enriched grains typically include

A diet that provides 75 g protein per day can contribute __________ mg niacin from tryptophan.

Which meal contains the highest amount of vitamin C?

Megaloblastic anemia develops as a result of deficiencies of ____ and _.

The best food sources of vitamin B-6 are

Persons who smoke have an increased need for

At intakes of supplemental vitamin C greater than 2 g/day,adverse effects,including _________,may occur.

The form of folate that is best absorbed is the

The coenzyme forms of niacin include

Large doses of riboflavin are nontoxic.

In general,excess amounts of water-soluble vitamins are excreted via the

A good way to reduce risk of cardiovascular disease is to take supplements of vitamin B-6,vitamin B-12,folic acid,and vitamin C.

The fact that the amino acid tryptophan can be converted to niacin by the body explains why

The B-vitamin most easily destroyed by exposure to light is

Which group of foods provides substantial amounts of vitamin C?

The Science of Nutrition

Tools of a Healthy Diet

The Food Supply

Human Digestion and Absorption

Carbohydrates

Lipids

Protein

Alcohol

Energy Metabolism

Energy Balance,weight Control, Eating Disorders

Nutrition, exercise, and Sports

Fat-Soluble Vitamins

Water and Major Minerals

Trace Minerals

Nutritional Aspects of Pregnancy and Breastfeeding

Nutrition During the Growing Years

Nutrition Throughout Adulthood

Filters

Exam 13: Water-Soluble Vitamins

Intrinsic factor is produced by the

Which group of individuals is advised to consume 400 micrograms of folic acid daily from supplements and/or fortified foods?

Pyridoxal phosphate

In addition to its role in amino acid metabolism,vitamin B-6 is also required for

Which of the foods listed below has the lowest niacin bioavailability?

The nutrients added to enriched grains typically include

A diet that provides 75 g protein per day can contribute __________ mg niacin from tryptophan.

Which meal contains the highest amount of vitamin C?

Megaloblastic anemia develops as a result of deficiencies of ________ and _____.

The best food sources of vitamin B-6 are

Persons who smoke have an increased need for

At intakes of supplemental vitamin C greater than 2 g/day,adverse effects,including _________,may occur.

The form of folate that is best absorbed is the

The coenzyme forms of niacin include

Large doses of riboflavin are nontoxic.

In general,excess amounts of water-soluble vitamins are excreted via the

A good way to reduce risk of cardiovascular disease is to take supplements of vitamin B-6,vitamin B-12,folic acid,and vitamin C.

The fact that the amino acid tryptophan can be converted to niacin by the body explains why

The B-vitamin most easily destroyed by exposure to light is

Which group of foods provides substantial amounts of vitamin C?

The Science of Nutrition

Tools of a Healthy Diet

The Food Supply

Human Digestion and Absorption

Carbohydrates

Lipids

Protein

Alcohol

Energy Metabolism

Energy Balance,weight Control, Eating Disorders

Nutrition, exercise, and Sports

Fat-Soluble Vitamins

Water and Major Minerals

Trace Minerals

Nutritional Aspects of Pregnancy and Breastfeeding

Nutrition During the Growing Years

Nutrition Throughout Adulthood

Filters

Megaloblastic anemia develops as a result of deficiencies of ____ and _.