A student nurse is caring for a client with chronic kidney failure who is to be treated with continuous ambulatory peritoneal dialysis (CAPD). Which statement by the student nurse indicates to the primary nurse that the student nurse understands the purpose of this therapy?

it uses the peritoneum as a semipermeable membrane to clear toxins by osmosis and diffusion

Explanation:

Continuous ambulatory peritoneal dialysis or commonly known as CAPD is a treatment provided to the dialysis patient where the dialysis fluid is goes out from the peritoneal cavity which is a place in our lower abdomen.

Continuous ambulatory peritoneal dialysis uses the serous membrane of the lining cavity of abdomen as a partially permeable membrane that cleans the toxins by diffusion and also by osmosis.