Calcium And Phosphate Homeostasis

Question 1

The storage of calcium
The daily intake of calcium
Total absorption of calcium

Answer 1

1kg /25mol
1g /25 mmol
0.25-0.5g 6-12mmol

Question 2

The calcium distribution in the plasma is

Answer 2

50 % ionised free
40% bound to protein
10% complex

Question 3

Distribution of protein bound calcium

Answer 3

80% bind to albumin
20% to globulin

Question 4

98% of calcium is stored in the intraossueous cavity in form of

Answer 4

Hydroxyapatite

Question 5

Describe the parathyroid hormone

Answer 5

It is a single polypeptide which consist of 84 amino acid

Question 6

In hypercalcemia due to malignant disease of the bone, the calcium deposit result in activation of osteoblastic activities which results in the presence of alkaline phosphatase activity in the plasma The exception to this is

Answer 6

Myelomatosis with relatively normal alkaline phosphatase activity