CALCIUM

Which of the following vitamin D preparations don't require renal conversion to active form

• Calcitriol

• Dihydrotachysterol

• Alfacalcidiol

• All of the above

Vitamin D increases plasma calcium level by which of the following mechanisms

• Increasing intestinal absorption

• Increasing bone resorption

• Increasing kidney reabsorption

• All of the above

The following are the uses of Vitamin D Except

• Rickets

• Osteoporosis

• Osteomalacia

• Hypercalcaemia

The following hormones increase plasma calcium level Except

• Glucocorticoids

• Calcitriol

• Calcitonin

• Parathyroid hormone

The normal plasma calcium level is

• 15-17 mg/dl

• 9-11 mg/dl

• 4-6 mg/dl

• 20-22 mg/dl