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Vitamins
Kee, J. L., Hayes, E. R., & McCuistion, L. E. (2015). Pharmacology. USA: Elsevier
15
Nursing
Undergraduate 2
12/06/2014

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Cards

Term
fat soluble vitamins
Definition
vitamin K, A, D and E
Term
4 rationales to use of vitamin supplication
Definition
malabsorption
inability to use vitamins
increased vitamin loss
or increased vitamin requirements
Term
conditions leading to inability to use vitamins (3)
Definition
liver diseases, renal diseases, some hereditary deficiencies
Term
conditions leading to increased vitamin loss (6)
Definition
hypothyroidism, hemodialysis, cancer, starvation, fever (from infection) or crash diets
Term
conditions leading to increased vitamin requirements (5)
Definition
pregnancy, early childhood, gastrointestinal surgeries, debilitating diseases or special diets
Term
rationale for educating patients to contact health provider if taking megadoses of vitamins (supplements)
Definition
fat soluble vitamins can have toxic effects: adverse reactions can occur
Term
role of vitamin A in body
Definition
essential for bone growth and epithelial tissue maintenance of eyes, skin and hair
Term
amount of vitamin A that can have a teratogenic effect
Definition
>6000 international units
Term
maximum dose of vit A for healthy patients
Definition
<7500 international units
Term
tolerable upper intake (UI) of daily vitamin A
Definition
3000 mcg / 10,000 international units
Term
hypervitaminosis A: cause and clinical manifestations
Definition
caused by massive intake of it A.
Symptoms/signs: anorexia, lethargy, nausea, abdominal pain and vomiting
Term
2 conditions of faster vit A absorption
Definition
when there is intestinal obstruction or when there is no deficiency
Term
early sign of hypovitaminosis and rationale
Definition
night blindness
rationale: vitamin A needed to to form the visual pigment for night vision
Term
clinical manifestations of hypovitaminosis A
Definition
night blindness may progress to dryness and ulceration of the cornea and also blindness
Term
Cont'd.... pg 214
Definition
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