Calcium, Vit D And Phosphorus Flashcards
1
Q
Where can calcium be absorbed name 2 places.
A
Small intestines and kidneys
2
Q
How much of dietary calcium is absorbed.?
A
30-40%
3
Q
What is the active form of vitamin D?
A
Calcitriol……
4
Q
What 5 factors decrease calcium absorption.
A
Fibre
Magnesium
5
Q
What properties do calcium have?
A
An insoluble salt in food.
Is very stable
no degradation or leeching.
no change through cooking
6
Q
What does calcium requirement depend on?
A
Cancel requirement is dependent on the state of calcium metabolism.
7
Q
Which 3 main mechanisms regulate calcium metabolism?
A
Intestinal absorption
Renal reabsorption
And bone turnover