Vitamins, Vitamins, Vitamins Flashcards
1
Q
explain the Vit D synthesis
A
7-dehydrocholesterol-> (UV LIGHT)
- > cholecalciferol-> (LIVER)
- > 25 hydroxycholecalciferol->(KIDNEY-1 alpha hydroxylase)
- > 1, 25 dihydroxycholecalciferol (Vit D3)(active form)
2
Q
Fe3+
A
ferric (most active)
3
Q
Fe2+
A
ferrous (most absorbable)
4
Q
explain how iron gets into the body
A
Fe3+ (in food)-> (VIT C)
- > Fe2+ (absorbed into intestines)-> (Cu2+)
- > Fe3+ (used into the body)
5
Q
what does a mineral deficiency in calcium or magnesium result in
A
tetany
becuae calcium and magnesium track together
6
Q
what are the vitamin antioxidants
A
ACEs
vit A, Vit C, vit E, Selenium
glutathione, lipoid acid, CoQ10
7
Q
what does PTH do
A
increases serum calcium
8
Q
what does calcitonin do
A
decreases serum calcium
tonin in the bonin
