Nutrition Excess and Deficiencies: Vitamins Flashcards
Why are USP labeled products preferred over non-USP labeled products?
Verification of product, its ingredients, its safety and cleanliness by USP
Which vitamins are water soluble?
.B - complex
.C
Which vitamins are fat soluble?
.A
.D
.E
.K
Where are fat soluble vitamins generally absorbed?
Lymphatic system of the small intestine
Symptoms of vitamin A deficiency?
.Nyctalopia (night blindness)
.Xeropthalmia (dry eye)
.Also, dry skin, loss of appetite, impaired taste, smell and wound healing
Tolerable UL of vitamin A
3000mcg/day (10000 IU)
Why is exceeding the tolerable UL of vitamin A specifically dangerous in pregnant women?
Teratogenicity in high doses
True or false: Chronic renal or liver disease can cause vitamin A deficiency
False. Toxicity
Vitamin A name
Retinol
Vitamin D2 and D3 names
D2 - ergocalciferol
D3 - cholecalciferol
Which D vitamin is synthesized in the skin from exposure to sunlight?
D3
Vitamin D tolerable UL
4000 IU/day (100mcg)
Vitamin D dosage for osteoporosis prevention in adults 50+
800 - 1000 IU/day (20-25 mcg/day)
What mineral should be monitored while administering vitamin D?
Calcium
Clinical manifestations of vitamin D toxicity
.Hypercalcemia
.Soft tissue calcification
.Kidney stones