Final Exam - Vitamins Flashcards
(40 cards)
Name the Fat Soluble Vitamins
A D E K
Name the Water Soluble Vitamins
All but A D E K
Describe The Function of Vitamin B-12
Nerve cell maintenance (found in membrane) and It’s a part of coenzymes used in cell synthesis
Describe The Function of Vitamin A
Vision; Maintenance of cornea, Tissues (epithelial cells, mucous membranes, & skin). Bone metabolism; reproduction; immunity
Describe The Function of Vitamin K
Blood clotting and production of osteocalcin
Describe The Function of Folic Acid
Coenzymes used in DNA synthesis so critical for new cell formation; Formation of neural tube during pregnancy
Describe The Function of Vitamin B1 (Thiamin)
Part of Coenzyme TPP Used in energy Metabolism in the Krebs cycle
Describe The Function of Beta-Carotene
Vitamin A Precursor and an antioxidant
Describe The Function of Vitamin D
Calcium & Phosphorus Absorption; immune Function; Calcium Homeostasis (Study Chart in Evernote!!)
Describe The Function of Vitamin B2 (Riboflavin)
Part of Coenzymes used in energy metabolism and krebs cycle
Describe The Function of Vitamin C
Collagen Synthisis and Neurotransmitters; Antioxidant
Describe The Function of Vitamin E
Antioxidant; fights free radicals; prevents oxidation of polyunsaturated fats and protection of cell membranes
Describe The Function of Vitamin B3 (Niacin)
Coenzymes used in energy metabolism and krebs cycle
Vitamin C Toxicity
Stomach cramping and diarrhea in some. No symptoms in others
Beta-Carotene Toxicity
Orange skin
Vitamin A Toxicity
Decreased Bone Density; Birth defects; Liver Abnormalities
Vitamin B3 (Niacin) toxicity
Painful Flushing; Liver Damage; Impaired Glucose Tolerance
Vitamin D Toxicity
Calcification of soft tissue because of Elevated Blood Calcium
Why do blood levels of calcium increase with Vitamin D toxicity?
because it encourages retention of calcium in blood and decreases it’s excretion in urine. (See Chart)
Vitamin B12 Toxicity
None Known
Vitamin K Toxicity
Interference with Blood Thinning Meds
Vitamin E Toxicity
Hemorrhaging; Increased effect of anticlotting meds
Vitamin B1 (Thiamin) toxicity
None known
Folic Acid Toxicity
Masking of symptoms of B12 Deficiency (corrects Megoblastic Anemia)