The nurse is explaining the process of peritoneal dialysis to a client who recently developed renal failure. Which of the following statements would the nurse include in a discussion with the client and family?
1. "The solutes in the dialysate will enter the bloodstream through the peritoneum.".
2. "The peritoneum is more permeable because of the presence of excess metabolites.".
3. "The peritoneum acts as a semipermeable membrane through which wastes move by diffusion and osmosis.".
4. "The metabolites will diffuse from the interstitial space to the bloodstream mainly through diffusion and ultrafiltratio.
3. "The peritoneum acts as a semipermeable membrane through which wastes move by diffusion and osmosis.".
Rationale:
The peritoneum acts as a semipermeable membrane, allowing substances to move from an area of high concentration (the blood) to an area of lower concentration (the dialysate). Metabolic waste products and excess water can be eliminated through osmosis and diffusion utilizing the peritoneum as the semipermeable membrane.
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