Question 1

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 B

Question 2

Manganese plays a role in antioxidant defense as a part of the superoxide dismutase enzyme system.

Accepted Answer

A) True 
 B)False  True

Question 3

A major role of vitamin B-12 in cellular metabolism is ________.

Accepted Answer

A) transfer of a methyl group to the amino acid homocysteine, forming the amino acid methionine 
B) transfer of a methyl group to the pyrimidine uracil, forming the pyrimidine thymine 
C) in transamination reactions, allowing the synthesis of nonessential amino acids 
D) as an electron acceptor, allowing function of the electron transport chain 
A) transfer of a methyl group to the amino acid homocysteine, forming the amino acid methionine 
B) transfer of a methyl group to the pyrimidine uracil, forming the pyrimidine thymine 
C) in transamination reactions, allowing the synthesis of nonessential amino acids 
D) as an electron acceptor, allowing function of the electron transport chain A

Question 4

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 5

A deficiency of dietary iodide is characterized by ________.

Accepted Answer

A) osteoporosis 
B) goiter 
C) dental caries 
D) decreased glucose tolerance 
A) osteoporosis 
B) goiter 
C) dental caries 
D) decreased glucose tolerance

Question 6

Thiamin should be given to an alcoholic patient who has ________.

Accepted Answer

A) pellagra 
B) Wernicke-Korsakoff syndrome 
C) pernicious anemia 
D) scurvy 
A) pellagra 
B) Wernicke-Korsakoff syndrome 
C) pernicious anemia 
D) scurvy

Question 7

A nutrient-dense source of thiamin is ________.

Accepted Answer

A) citrus fruits 
B) milk and milk products 
C) pork and pork products 
D) leafy green vegetables 
A) citrus fruits 
B) milk and milk products 
C) pork and pork products 
D) leafy green vegetables

Question 8

Iodide in the blood is trapped by the ________.

Accepted Answer

A) pancreas and incorporated into insulin 
B) adrenal glands and incorporated into aldosterone 
C) pituitary gland and incorporated into calcitonin 
D) thyroid gland and incorporated into thyroxine 
A) pancreas and incorporated into insulin 
B) adrenal glands and incorporated into aldosterone 
C) pituitary gland and incorporated into calcitonin 
D) thyroid gland and incorporated into thyroxine

Question 9

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 10

A defect in the formation of the neural tube during early fetal development can occur from a lack of ________.

Accepted Answer

A) biotin 
B) folate 
C) vitamin B-6 
D) choline 
A) biotin 
B) folate 
C) vitamin B-6 
D) choline

Question 11

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 12

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 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

A biochemical function of THFA (tetrahydrofolate) is ________.

Accepted Answer

A) transfer of NH2 groups from amino acids to CO2 to form urea 
B) transfer of hydrogens and electrons through the various energy-yielding pathways 
C) removal of CO2 from various intermediates in the citric acid cycle 
D) accepting or donating single-carbon molecules in various metabolic pathways 
A) transfer of NH2 groups from amino acids to CO2 to form urea 
B) transfer of hydrogens and electrons through the various energy-yielding pathways 
C) removal of CO2 from various intermediates in the citric acid cycle 
D) accepting or donating single-carbon molecules in various metabolic pathways

Question 15

In a dietary deficiency of folate, there are decreasing numbers of mature red blood cells to carry the oxygen from the lungs to the tissues.This condition is known as ________.

Accepted Answer

A) achlorhydria 
B) megaloblastic anemia 
C) ariboflavinosis 
D) hemorrhagic disease 
A) achlorhydria 
B) megaloblastic anemia 
C) ariboflavinosis 
D) hemorrhagic disease

Question 16

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 17

Describe the symptoms of thiamin deficiency.

Accepted Answer

Thiamin deficiency, also known as beribe

Question 18

Rich sources of choline are ________.

Accepted Answer

A) enriched cereals and grains 
B) fats and oils 
C) meats, eggs, and dairy products 
D) fruits and vegetables 
A) enriched cereals and grains 
B) fats and oils 
C) meats, eggs, and dairy products 
D) fruits and vegetables

Question 19

Most of our dietary sulfur is supplied by ________.

Accepted Answer

A) protein-rich foods 
B) carbohydrates 
C) vitamins 
D) lipids 
A) protein-rich foods 
B) carbohydrates 
C) vitamins 
D) lipids

Question 20

Explain why a deficiency of selenium can impair iodine metabolism.

Accepted Answer

Selenium is an essential mineral that pl

Most B-vitamins function as __________.

Manganese plays a role in antioxidant defense as a part of the superoxide dismutase enzyme system.

A major role of vitamin B-12 in cellular metabolism is ________.

Biotin is needed for ________.

A deficiency of dietary iodide is characterized by ________.

Thiamin should be given to an alcoholic patient who has ________.

A nutrient-dense source of thiamin is ________.

Iodide in the blood is trapped by the ________.

A major role of folate in cellular metabolism is the ________.

A defect in the formation of the neural tube during early fetal development can occur from a lack of ________.

Symptoms of vitamin B-6 deficiency include ________.

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

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

A biochemical function of THFA (tetrahydrofolate) is ________.

In a dietary deficiency of folate, there are decreasing numbers of mature red blood cells to carry the oxygen from the lungs to the tissues.This condition is known as ________.

Megaloblastic anemia develops as a result of deficiencies of and .

Describe the symptoms of thiamin deficiency.

Rich sources of choline are ________.

Most of our dietary sulfur is supplied by ________.

Explain why a deficiency of selenium can impair iodine metabolism.

The Science of Nutrition

Tools of a Healthy Diet

The Food Supply

Human Digestion and Absorption

Carbohydrates

Lipids

Proteins

Alcohol

Energy Metabolism

Energy Balance, Weight Control, and Eating Disorders

Nutrition, Exercise, and Sports

Micronutrients: Vitamins and Minerals

Fluid Balance and Blood Health

Bone Health and Body Defense Systems

Nutritional Aspects of Pregnancy and Breastfeeding

Nutrition During the Growing Years

Nutrition During the Adult Years

Filters

Exam 13: Micronutrients in Energy and Amino Acid Metabolism

Most B-vitamins function as __________.

Manganese plays a role in antioxidant defense as a part of the superoxide dismutase enzyme system.

A major role of vitamin B-12 in cellular metabolism is ________.

Biotin is needed for ________.

A deficiency of dietary iodide is characterized by ________.

Thiamin should be given to an alcoholic patient who has ________.

A nutrient-dense source of thiamin is ________.

Iodide in the blood is trapped by the ________.

A major role of folate in cellular metabolism is the ________.

A defect in the formation of the neural tube during early fetal development can occur from a lack of ________.

Symptoms of vitamin B-6 deficiency include ________.

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

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

A biochemical function of THFA (tetrahydrofolate) is ________.

In a dietary deficiency of folate, there are decreasing numbers of mature red blood cells to carry the oxygen from the lungs to the tissues.This condition is known as ________.

Megaloblastic anemia develops as a result of deficiencies of __________ and __________.

Describe the symptoms of thiamin deficiency.

Rich sources of choline are ________.

Most of our dietary sulfur is supplied by ________.

Explain why a deficiency of selenium can impair iodine metabolism.

The Science of Nutrition

Tools of a Healthy Diet

The Food Supply

Human Digestion and Absorption

Carbohydrates

Lipids

Proteins

Alcohol

Energy Metabolism

Energy Balance, Weight Control, and Eating Disorders

Nutrition, Exercise, and Sports

Micronutrients: Vitamins and Minerals

Fluid Balance and Blood Health

Bone Health and Body Defense Systems

Nutritional Aspects of Pregnancy and Breastfeeding

Nutrition During the Growing Years

Nutrition During the Adult Years

Filters

Megaloblastic anemia develops as a result of deficiencies of and .