Q:

The osmolality of________

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The osmolality of:


  1. A solution determines its freezing point.
  2. Intracellular fluid is about twice that of extracellular fluid.
  3. 1.8 per cent sodium chloride is about twice that of normal plasma.
  4. 5 per cent dextrose solution is about five times that of 0.9 per cent saline.
  5. Plasma is due more to its protein than to its electrolyte content.

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A. True Depression of the freezing point is an index of a solution’s osmolality.

B. False Their osmolality is the same; osmotic water movements ensure that this is so.

C. True Plasma has the tonicity of a normal saline solution (0.9 per cent sodium chloride).

D. False They have the same number of particles.

E. False Proteins account for only 1 per cent of plasma osmolality.

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