Multiple choice

In the process of dialysis used on patients with affected kidneys, the phenomenon involved is

  1. diffusion

  2. absorption

  3. osmosis

  4. electrophoresis
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Dialysis works on the principle of osmosis, where solutes move across a semipermeable membrane from an area of higher concentration to lower concentration. In hemodialysis, waste products like urea and excess salts diffuse across the membrane into the dialysate fluid, while larger molecules like proteins are retained in the blood.

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