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48 Cards in this Set

  • Front
  • Back
Which coenzymes function primarily in energy metabolism?
Thiamin
RIboflavin
Vitamin B6
niacin
pantothenic acid
biotin
Which coenzymes function primarily in cell regeneration and red blood cell synthesis?
Folate
Vitamin B12
Sources of Thiamin? (Vitamin B1)
Pork
sunflower seeds
beans
whole or enriched grains
What characterizes Thiamin (Vit B1) deficiency?
Beriberi: muscle wasting, nerve damage
What vitamin deficiency is beriberi associated with?
Thiamin (B1)
What vitamin assists in DNA and RNA production and synthesis or neurotransmitters?
Thiamin (B1)
What vitamin is involved in oxidation - reduction reactions?
Riboflavin (B2)
Good sources of riboflavin? (B2)
Milk
Enriched foods
Meat
What vitamin is light-sensitive?
Riboflavin (B2)
What characterizes RIboflavin (B2) deficiency?
Ariboflavinosis: sore throat, swollen mucous membranes
What are two forms of Niacin (B3)?
Nicotinic acid
Nicotinamide
What vitamin is required for oxidation-reduction reactions of carbs, proteins, and fats?
Niacin (B3)
What vitamin can be made from the amino acid tryptophan?
Niacin (B3)
Good sources of Niacin (B3)?
Meat
Fish
Poultry
Enriched breads and cereals
What characterizes a deficiency of Niacin (B3)?
Pellagra
What vitamin is a coenzyme in amino acid metabolism and gluconeogenesis?
Vitamin B6 (Pyroxidine)
What are good sources of Vitamin B6 (Pyroxidine)?
Meat
Fish
Poultry
Enriched Cereals
Starchy Vegetables
What characterizes toxicity of Vitamin B6 (Pyroxidine)?
Nerve Damage
Skin Lesions
What characterizes deficiency of Vitamin B6 (Pyroxidine)?
Skin damage
Blood damage
Nerve tissue damage
What vitamin is essential for fatty acid metabolism?
Pantothenic Acid
What vitamin is required for synthesizing cholesterol, steroids, and detoxification of drugs?
Pantothenic Acid
What are good sources of pantothenic acid?
Chicken
Beef
Egg yolk
Potatoes
Oat cereals
Tomato products
What are the adverse effects of high intake of pantothenic acid?
there are none
What vitamin do people rarely have deficiencies of?
Pantothenic Acid
What nutrient is a coenzyme for fatty acid synthesis and gluconeogenesis?
Biotin
What is biotin used for the metabolism of?
Carbs, Fat, and Protein
Consumption of egg whites in large amounts over time has shown deficiency of what?
Biotin
What vitamin-like substance functions in fat and cholesterol metabolism/transport?
Choline
What vitamin-like substance functions in homocysteine metabolism?
Choline
Cholin deficiency leads to what?
Fat accumulation in the liver
What are good sources of iodine?
Saltwater fish
Iodized salt
Excess of what nutrient interferes with thyroid function?
Iodine
What is a goiter?
Enlarged thyroid gland
What is cretinism and what are its symptoms?
IDD (iodine deficiency disorder): mental retardation and stunted growth
What is hypothyroidism and what are its symptoms?
IDD (Iodine deficiency disorder):
decreased body temperature
cold intolerance
weight gain
fatigue
sluggishness
Hyperthyroidism is caused by what disease?
Graves' disease
Functions of chromium?
Transport glucose to cells from blood
RNA and DNA metabolism
Immune function and growth
Deficiency of chromium leads to what?
Cell glucose uptake inhibited. Causes a rise in blood glucose and insulin levels
Manganese is a cofactor in what? (4)
Carb, fat, protein metabolism
Gluconeogenesis
Cholesterol synthesis
Urea formation
What nutrient is a part of the antioxidant superoxide dismutase?
Manganese
What antioxidant is manganese a part of?
Superoxide dismutase
What are good sources of manganese?
Whole-grain foods
What are symptoms of manganese toxicity?
Nervous system impairment leading to spasms and tremors
What mineral is a component of thiamin and biotin?
Sulfur
What mineral is a component of the amino acids methionine and cysteine?
Sulfur
What is sulfur's function in the liver?
Alcohol detoxification
Sulfur assists in the balance of what?
Acid-base
Where can sulfur be obtained in the diet?
Dietary proteins