The nurse is teaching the main principles of hemodialysis to a client with chronic kidney disease. Which statement by the client indicates a need for further teaching by the nurse?
a. "My sodium level changes by movement from the blood into the dialysate."
b. "Dialysis works by movement of wastes from lower to higher concentration."
c. "Extra fluid can be pulled from the blood by osmosis."
d. "The dialysate is similar to blood but without any toxins."
ANS: B
Dialysis works using the passive transfer of toxins by diffusion. Diffusion is the movement of molecules from an area of higher concentration to an area of lower concentration. The other statements show a correct understanding about hemodialysis.
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