Because of difficulties with hemodialysis, peritoneal dialysis is initiated to treat a client's uremia. Which finding during this procedure signals a significant problem?

A. WBC count of 20,000/mm³ indicates a possible infection, such as peritonitis — a serious and common complication of peritoneal dialysis that requires immediate intervention. B. Blood glucose of 200 mg/dL can occur with glucose-based dialysate, especially in diabetic clients, and is managed medically. C. Potassium of 3.5 mEq/L is at the low-normal range and not an immediate concern. D. Hematocrit of 35% is within a relatively acceptable range and not typically urgent.