Flashcards in lecture 23: fat soluble Deck (18):
how many active forms of vitamin A are in the body? what are they?
what are carotenoids?
organic pigments in plants that can be converted to vitamin A
what is vitamin A important for?
what is retinoic acid important for?
cell proliferation and differentiation
what are symptoms of vitamin A deficiency?
blindness (particularly @ night)
what is vitamin A toxicity associated with?
teratogenic effects (fetal malformation)
what are the 3 forms of vitamin D?
what is the active form of vitamin D called?
what are functions of vitamin D?
possibly other diseases
what diseases are associated with vitamin D deficiency?
osteoporosis and osteomalacia
what are symptoms of vitamin D toxicity?
calcification of soft tissues
loss of bone mineral density
what are symptoms of vitamin E deficiency?
how do vitamin E and vitamin K relate?
vitamin E interferes with itamin K function
what is the function of vitamin K?
what are symptoms of vitamin K deficiency?
what are the functions of vitamin E?
what does absorption of fat soluble vitamins into intestine require?
bile + micelle formation