Osmosis → movement of water (solvent) through a semi-permeable membrane from low to high solute concentration.
If fluid surrounding red blood cell is depleted in electrolytes → low concentration:
Osmosis through red blood cell walls. If water moves out of the red blood cell, it shrivels (crenation); if water moves into the red blood cell, it will swell and may burst (hemolysis).
If the fluid surrounding a patient’s red blood cells is depleted in electrolytes, is crenation or hemolysis more likely to occur?
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