vitamin def Flashcards
vit a presentation
epithelial dysfunction, diarrhea, bronchial obstruction, eye lesions. major cause of blindness worldwide
vit b1 (thiamine) def pres
fatigue, apathy, irritable depression, low mental concentration, peripheral neuritis, Wernicke encephalopathy, muscle atrophy
b2 pres
aka riboflavin, cheilosis, glossitis, keratitis, conjunctivitis, photophobia, seborrheic dermatitis
b3 niacin
pellagra, anorexia, weak, burning, numb, dizzy
chronic def sx: triad of dermatitis, diarrhea, dementia
b6 pres
aka pyridoxine listless, irritable, seizure, vomit, FTT
skin lesions: seborrheic drm, cheilosis, glossitits
biotin role
cofactor in enzymes for carboxy reaction
folate def signs
megaloblastic anemia, neural tube defects in infants, glossitits, listlessness, growth retardation, hyperseg neutrophils
b12
aka cobalamin : irritable, dev delay, paresthesias, peripheral neuritis
vit c deficiency
scurvy, defective CT, bone and blood vessel fragile, rosary formation, gum changes, anemia secondary to poor iron absorption
vit d
aka rickets: fagile bones, craniotabes, rachitic rosary
calcium
ricketts secondary to this def
vit a sources
grains, veggies, dairy, meat
thiamine role
b1 cofactor for cho metabolisim
b2 role
part of coenzymes Flavin adenine etc… source: milk, eggs, organ meats, mushrooms, legumes, cereals flours and enriched breads etc
role of b3
niacin part of nad and nadp .. milk eggs etc
