Q:

The concentration of ionized calcium in plasma is

safaTerkawi
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2022-08-14
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The concentration of ionized calcium in plasma is.

  1. The main regulator of parathormone secretion.
  2. Less than the free ionized calcium concentration in intracellular fluid.
  3. About 50 per cent of the total plasma calcium concentration.
  4. Reduced when plasma pH rises.
  5. Reduced when the plasma protein level rises.
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safaTerkawi
2022-08-14
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A. True Parathormone secretion is stimulated by a fall in the ionized Ca+  Clevel.

B. False It is more than 105 times higher.

C. True Most of the rest is bound to protein, mainly albumin.

D. True In alkalosis more calcium is protein-bound.

E. False The ionized calcium level is regulated independently.

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