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Vitamin Overview
Vitamin purposes, deficiencies, and food sources
43
Nursing
Undergraduate 2
03/22/2012

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Cards

Term
Vitamin Rule
Definition
don't exceed 150? RDA through supplementation
Term
Vitamin A Food Sources
Definition
fish liver oils, egg yolks, butter, cream and dark yellow/orange fruits and vegetables
Term
Vitamin A purpose
Definition
vision, tissue strength and growth, embryonic development; can have teratogenic effects on fetus
Term
Xeropthalmia
Definition
vitamin deficiency associated with thickening of outer surface of eye; Vitamin A deficiency
Term
Carotenemia
Definition
vitamin A taken in excess associated with yellowing of the skin; usually harmless in children; high levels associated with bone abnormalities
Term
Vitamin D
Definition
Assists in the utilization of calcium and phosphorus and aids in skin repair; food sources: include fortified milk, cod liver oil, and eggs; sunligh enables the body to synthesize vitamin D
Term
Rickets/Osteomalacia
Definition
Vitamin D deficiency
Term
Vitamin E purpose
Definition
an antioxidant, helps preserve muscle and red blood cells and maintains the myelin sheath that insulates nerve cells
Term
Vitamin E Food Sources
Definition
vegetable oils, eggs, avocados, and certain nuts
Term
Vitamin E Deficiency
Definition
Hemoltic anemia and affects the nerve fibers that influence walking and vision
Term
Vitamin K purpose
Definition
assists in blood clotting and in bone maintenance; universal supplementation in infants!
Term
Vitamin K Deficiency
Definition
results in increased bleeding time
Term
Vitamin K Food Sources
Definition
oils, liver, and in green leafy vegetables such as spinach, broccoli, and cabbage
Term
Vitamin C purpose
Definition
aids in tissue building and many metabolic reactions, such as wound and fracture healing, collagen formation , adrenaline production, iron absorption, conversion of folic acid, and cellular adhesion
Term
Vitamin C Food Sources
Definition
citrus fruits, tomatoes, peppers, green leafy vegetables, and strawberries
Term
Vitamin C Deficiency
Definition
scurvy
Term
Vitamin C Excess
Definition
GI Symptoms, Kidney Stones, Rebound Scurvy
Term
Thiamine B1 purpose
Definition
necessary for proper digestion and peristalsis and providing energy for smooth muscles, glands, the CNS, and blood vessels; Carbohydrate metabolism
Term
Thiamine B1 Deficiency
Definition
results in beriberi, GI symptoms, and cardio problems
Term
BeriBeri
Definition
enlarged heart, burning sensation in hands and feet, muscle cramps and weakness, confusion, personality changes
Term
Wernicke-Korsakoff
Definition
motor and sensory deficits, korakoff psychosis, most of the time due to alcoholism
Term
Riboflavin B2 purpose
Definition
required for growth, vitality, and tissue healing
Term
Riboflavin B2 Deficiency
Definition
cheilosis, smooth/swolen ren tongue, and dermatitis, particularly in skin folds
Term
Riboflavin B2 Dietary sources
Definition
milk, meats, and green leafy vegetables
Term
Niacin (B3)
Definition
aids in energy and protein metabolism
Term
Niacin (B3) Deficiency
Definition
pellagra (skin sensitive skin, GI and neuro symptoms)
Term
Niacin (B3) food sources
Definition
beef liver, nuts, and legumes
Term
Pantothenic acid (B5) purpose
Definition
involved in a number of biological reactions, including the production of energy, catabolism, and synthesis of fatty acids, phospholipids, cholesterol, steroid hormones, and the neurotransmitter acetylcholine
Term
Pantothenic acid (B5) deficiency
Definition
results in anemia and CNS changes; however, deficiency is unlikely due to the diverse availability in foods
Term
Pantothenic acid (B5) food sources
Definition
Rich sources include organ meats, egg yolk, avocadoes, cashew nuts and peanuts, brown rice, soy lentils, broccoli, and milk
Term
Pyridoxin (B6) purpose
Definition
needed for cellular function and synthesis of hemoglobin, neurotransmitters, and niacin
Term
Pyridoxin (B6) Deficiency
Definition
anemia and CNS disturbances
Term
Pyridoxin (B6) Excess
Definition
sensory neuropathy
Term
Pyridoxin (B6) Food Sources
Definition
widespread food sources include organ meats and grains
Term
Biotin B7 Purpose
Definition
coenzyme used in fatty acid synthesis, amino acid metabolism, and the formation of glucose
Term
Biotin B7 Deficiency
Definition
rare, but can result in neuro symptoms and rashes on the skin, especially in the face
Term
Biotin B7 Food Sources
Definition
eggs, milk, and dark green vegetables
Term
Folate (B9) Purpose
Definition
required for hemoglobin and amino acid synthesis, cellular reproduction, and prevention of neural tube defects in utero
Term
Folate (B9) Deficiency
Definition
causes megaloblastic anemia, CNS disturbances, and fetal neural tube defects.
Term
Folate (B9) Food Sources
Definition
liver, dark-green leafy vegetables, citrus fruits, whole-grain products and legumes
Term
Vitamin B12 purpose
Definition
production of red blood cells
Term
Vitamin B12 deficiency
Definition
pernicious anemia and is seen mostly in strict vegetarians and those with the absence of intrinsic factor needed for absorption of B12
Term
Vitamin B12 food sources
Definition
beef liver, mollusks, and fortified grains
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