Calcium Flashcards
1
Q
Functions of Calcium (3)
A
Bone Formation
Neurotransmitter Release
Muscle Contraction
2
Q
How much plasma calcium is bound to albumin?
A
40%
3
Q
How much plasma calcium is non ionised or complexed?
A
15%
4
Q
How much plasma calcium is ionised or free?
A
45%
5
Q
Increased Albumin does what to free calcium?
A
Decreases Free Calcium
6
Q
What cell in parathyroid responds directly to changes in calcium concentrations?
A
Chief Cells
7
Q
PTH Secreted in response to?
A
Decrease Calium
8
Q
Parathyroid Hormone helps reabsorb what?
A
Calcium from Renal Tubules
9
Q
What hormone mediates conversion of vit d from inactive to active form?
A
Parathyroid Hormone
