Final Exam - Vitamins Flashcards
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)
What causes mesoblastic Anemia?
Deficiency of B12 or Folic Acid
Deficiency of Vitamin C
Scurvy
Symptoms of scurvy
pinpoint bleeding, bleeding gums, abnormal bone growth, jaw pain
B2 (Riboflavin) deficiency
Inflammation of mouth, skin and eyelids
Deficiency of Beta-Carotene
None; it is only a precurser
Deficiency of Vitamin A
Night Blindness; Impaired immunity (infectious disease); Hyperkeratosis (formation of white Lumps on Skin)
Deficiency of Vitamin B3 (Niacin)
The Disease Pellagra; inflamed, smooth, bright red toungue
Deficiency of Vitamin D
In adults: osteomalacia
In Kids: Rickets
What are the symptoms of Pellagra and what causes the disease?
4D’s Diarrhea, Dementia, Dermatitis, Death. Deficiency of Niacin (B2),
Symptoms of Rickets
Bowing Legs; Malformation of skull, ribs, & ends of long bones. Respiration, brain development, and tooth spacing can be affected by this
What is osteomalacia
Softening of bone
Deficiency of Vitamin B12
Pernicious anemia(megaloblastic anemia); Peripheral Nerve Damage & Paralysis; Sore Tongue
Deficiency of Vitamin K
Hemorrhaging (because blood is thin)
Deficiency of Vitamin E
Nerve Damage, Erythrocyte Hemolysis
Deficiency of Vitamin B1 (thiamin)
Beriberi (Edema & Muscle Wasting); Enlarged Heart and Heart Failure
Deficiency of Folic Acid
Megaloblastic Anemia; Smooth red tongue; Mental Confusion, Increased risk of Neural tube defects