13. When comparing hemodialysis and peritoneal dialysis, it can be said that
A. peritoneal dialysis involves the removal of blood from the patient.
B. peritoneal dialysis doesn't need a dialyzer to work, whereas hemodialysis does.
C. hemodialysis takes longer than peritoneal dialysis.
D. hemodialysis is a step closer to the need for transplantation compared with peritoneal dialysis.
The correct option is B. Peritoneal dialysis and hemodialysis are both used to manage kidney failure. Hemodialysis involves the use of a synthetic membrane called dialyzer, which filter wastes and remove excess fluid from the blood. Peritoneal dialysis do not use a dialyzer.
