NCLEX Exam Practice Question of the Week - 7/25/18
A nurse is evaluating a parent’s understanding of his child’s peritoneal dialysis. Which information in the parent’s response indicates an understanding of the purpose of the procedure?
1. Reestablishes kidney function
2. Cleans the peritoneal membrane
3. Provides fluid for intracellular spaces
4. Removes toxins in addition to other metabolic wastes
Answer: 4
Rationale: Peritoneal dialysis uses the peritoneum as a selectively permeable membrane for diffusion of toxins and wastes from the blood into the dialyzing solution. 1 - Peritoneal dialysis acts as a substitute for kidney functions; it does not reestablish kidney function. 2 - The dialysate does not clean the peritoneal membrane; the semipermeable membrane allows toxins and wastes to pass into the dialysate within the abdominal cavity. 3 - Fluid in the abdominal cavity does not enter the intracellular compartment.
Practice Question Sourced From: Version: Elsevier: Nursing Key Topics Review: Pediatrics (Care of the Child with Genitourinary and Reproductive Problems, Ch. 15, pg. 289, Question 18)
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