Question 1

Flushing of the face and skin can result from pharmacological doses of

Accepted Answer

A)  vitamin B-6. 
B)  thiamin. 
C)  folate. 
D)  niacin. 
A)  vitamin B-6. 
B)  thiamin. 
C)  folate. 
D)  niacin.

Question 2

To protect riboflavin from destruction by sunlight,milk and milk products are packaged in

Accepted Answer

A)  clear glass bottles. 
B)  paper and opaque plastic cartons. 
C)  clear plastic bottles and cartons. 
D)  any kind of container. 
A)  clear glass bottles. 
B)  paper and opaque plastic cartons. 
C)  clear plastic bottles and cartons. 
D)  any kind of container.

Question 3

Niacin can be obtained from foods as the vitamin itself (preformed niacin)or be synthesized

Accepted Answer

A)  from the B vitamin riboflavin 
B)  from the essential amino acid tryptophan 
C)  by bacteria in the large intestine 
D)  All of the above are correct. 
A)  from the B vitamin riboflavin 
B)  from the essential amino acid tryptophan 
C)  by bacteria in the large intestine 
D)  All of the above are correct.

Question 4

Symptoms of vitamin B-6 deficiency include

Accepted Answer

A)  depression, confusion, and convulsions. 
B)  microcytic anemia. 
C)  dermatitis. 
D)  All of these choices are accurate. 
A)  depression, confusion, and convulsions. 
B)  microcytic anemia. 
C)  dermatitis. 
D)  All of these choices are accurate.

Question 5

Good sources of folate include

Accepted Answer

A)  enriched cereals and grains. 
B)  leafy green vegetables. 
C)  oranges. 
D)  dried beans. 
E)  All of these choices are accurate. 
A)  enriched cereals and grains. 
B)  leafy green vegetables. 
C)  oranges. 
D)  dried beans. 
E)  All of these choices are accurate.

Question 6

The niacin coenzyme is reduced (NAD+ $\rarr$ NADH + H+)during

Accepted Answer

A)  glycolysis. 
B)  the pyruvate decarboxylation reaction. 
C)  the citric acid cycle. 
D)  All of these choices are accurate. 
A)  glycolysis. 
B)  the pyruvate decarboxylation reaction. 
C)  the citric acid cycle. 
D)  All of these choices are accurate.

Question 7

The first symptom of scurvy is

Accepted Answer

A)  iron-deficiency anemia. 
B)  sudden hair loss. 
C)  pinpoint hemorrhages around hair follicles. 
D)  nerve degeneration. 
A)  iron-deficiency anemia. 
B)  sudden hair loss. 
C)  pinpoint hemorrhages around hair follicles. 
D)  nerve degeneration.

Question 8

Vitamin B-12 is found in which of the following foods?

Accepted Answer

A)  orange juice 
B)  dark green leafy vegetables 
C)  seed oils 
D)  chicken 
A)  orange juice 
B)  dark green leafy vegetables 
C)  seed oils 
D)  chicken

Question 9

Supplements of the water-soluble vitamins ______ and _______ are most likely to cause toxicity symptoms.

Accepted Answer

A)  thiamin; riboflavin 
B)  vitamin B-12; pantothenic acid 
C)  vitamin B-6; vitamin C 
D)  biotin; vitamin B-12 
A)  thiamin; riboflavin 
B)  vitamin B-12; pantothenic acid 
C)  vitamin B-6; vitamin C 
D)  biotin; vitamin B-12

Question 10

Consuming a glass of orange juice with a meal may promote the absorption of the iron in that meal.

Accepted Answer

A) True 
 B)False

Question 11

Physiological changes associated with scurvy (hemorrhages,joint pain,fractures)are caused by

Accepted Answer

A)  defective collagen synthesis. 
B)  inadequate production of the hormone thyroxine. 
C)  failure to synthesize neurotransmitters. 
D)  impaired function of the citric acid cycle. 
A)  defective collagen synthesis. 
B)  inadequate production of the hormone thyroxine. 
C)  failure to synthesize neurotransmitters. 
D)  impaired function of the citric acid cycle.

Question 12

Describe why good folate status is especially important for young women.

Accepted Answer

Good folate status is especially importa

Question 13

Individuals most likely to experience poor vitamin B-12 status are

Accepted Answer

A)  elderly adults, due to atrophic gastritis. 
B)  infants, due to low vitamin B-12 content in breast milk. 
C)  athletes, due to high vitamin B-12 requirements. 
D)  pregnant women, due to high vitamin B-12 requirements. 
A)  elderly adults, due to atrophic gastritis. 
B)  infants, due to low vitamin B-12 content in breast milk. 
C)  athletes, due to high vitamin B-12 requirements. 
D)  pregnant women, due to high vitamin B-12 requirements.

Question 14

Although not classified as vitamins,ingestion of the substances taurine and carnitine is required for good health.

Accepted Answer

A) True 
 B)False

Question 15

Vitamin B-12 is supplied mostly in

Accepted Answer

A)  fruits and vegetables. 
B)  cereal grains. 
C)  foods of animal origin. 
D)  None of these answers are correct. 
A)  fruits and vegetables. 
B)  cereal grains. 
C)  foods of animal origin. 
D)  None of these answers are correct.

Question 16

Biotin is needed for

Accepted Answer

A)  gluconeogenesis. 
B)  glutathione reductase. 
C)  nicotinamide adenine dinucleotide. 
D)  None of these answers are correct. 
A)  gluconeogenesis. 
B)  glutathione reductase. 
C)  nicotinamide adenine dinucleotide. 
D)  None of these answers are correct.

Question 17

A major role of folate in cellular metabolism is the

Accepted Answer

A)  synthesis of steroid hormones. 
B)  conversion of polyunsaturated fatty acids to saturated fatty acids. 
C)  formation of glucose from galactose and fructose. 
D)  synthesis of purine and pyrimidine bases in RNA and DNA. 
A)  synthesis of steroid hormones. 
B)  conversion of polyunsaturated fatty acids to saturated fatty acids. 
C)  formation of glucose from galactose and fructose. 
D)  synthesis of purine and pyrimidine bases in RNA and DNA.

Question 18

Ingestion of vitamin C during meals can modestly improve absorption of

Accepted Answer

A)  beta-carotene 
B)  nonheme iron 
C)  vitamin B-12 
D)  folate 
A)  beta-carotene 
B)  nonheme iron 
C)  vitamin B-12 
D)  folate

Question 19

The RDA for vitamin C is 60 mg/day or 4 ounces of orange juice a day.

Accepted Answer

A) True 
 B)False

Question 20

Most B-vitamins function as

Accepted Answer

A)  fat-soluble vitamins. 
B)  coenzymes. 
C)  antibodies. 
D)  sources of energy. 
A)  fat-soluble vitamins. 
B)  coenzymes. 
C)  antibodies. 
D)  sources of energy.

Flushing of the face and skin can result from pharmacological doses of

To protect riboflavin from destruction by sunlight,milk and milk products are packaged in

Niacin can be obtained from foods as the vitamin itself (preformed niacin)or be synthesized

Symptoms of vitamin B-6 deficiency include

Good sources of folate include

The niacin coenzyme is reduced (NAD⁺ $\rarr$ NADH + H⁺)during

The first symptom of scurvy is

Vitamin B-12 is found in which of the following foods?

Supplements of the water-soluble vitamins and _ are most likely to cause toxicity symptoms.

Consuming a glass of orange juice with a meal may promote the absorption of the iron in that meal.

Physiological changes associated with scurvy (hemorrhages,joint pain,fractures)are caused by

Describe why good folate status is especially important for young women.

Individuals most likely to experience poor vitamin B-12 status are

Although not classified as vitamins,ingestion of the substances taurine and carnitine is required for good health.

Vitamin B-12 is supplied mostly in

Biotin is needed for

A major role of folate in cellular metabolism is the

Ingestion of vitamin C during meals can modestly improve absorption of

The RDA for vitamin C is 60 mg/day or 4 ounces of orange juice a day.

Most B-vitamins function as

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

Flushing of the face and skin can result from pharmacological doses of

To protect riboflavin from destruction by sunlight,milk and milk products are packaged in

Niacin can be obtained from foods as the vitamin itself (preformed niacin)or be synthesized

Symptoms of vitamin B-6 deficiency include

Good sources of folate include

The niacin coenzyme is reduced (NAD+ →\rarr→ NADH + H+)during

The first symptom of scurvy is

Vitamin B-12 is found in which of the following foods?

Supplements of the water-soluble vitamins ______ and _______ are most likely to cause toxicity symptoms.

Consuming a glass of orange juice with a meal may promote the absorption of the iron in that meal.

Physiological changes associated with scurvy (hemorrhages,joint pain,fractures)are caused by

Describe why good folate status is especially important for young women.

Individuals most likely to experience poor vitamin B-12 status are

Although not classified as vitamins,ingestion of the substances taurine and carnitine is required for good health.

Vitamin B-12 is supplied mostly in

Biotin is needed for

A major role of folate in cellular metabolism is the

Ingestion of vitamin C during meals can modestly improve absorption of

The RDA for vitamin C is 60 mg/day or 4 ounces of orange juice a day.

Most B-vitamins function as

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

The niacin coenzyme is reduced (NAD⁺ $\rarr$ NADH + H⁺)during

Supplements of the water-soluble vitamins and _ are most likely to cause toxicity symptoms.