Question

Plasma is hypotonic so why rbcs remain stable in this hypotonic plasma?

Answer 1

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HERE'S YOUR ANSWER

Hypotonic solutions have lower osmotic pressure than red blood cells, causing the cells to take in additional water. Subsequently, the cells bulge. This does not impact the surface area-to-volume ratio, but it does impact the turbidity of the cells within the veins. If the red blood cells take in too much water, cytolysis can occur. Hypertonic solutions also have higher osmotic pressure than red blood cells, causing the cells to shed water. Crenation of red blood cells occurs in hypertonic solution.

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