A nurse is caring for a client who is receiving peritoneal dialysis. The nurse should monitor the client for which of the following manifestations of peritonitis?

A. Hyperactive bowel sounds are not specific to peritonitis and are not a key diagnostic sign. B. Bradycardia is not a typical symptom of peritonitis; the condition usually causes tachycardia due to infection and inflammation. C. Increased urinary output is unlikely in clients with renal failure who are receiving dialysis. D. A board-like abdomen is a classic sign of peritonitis due to severe inflammation and muscle guarding, and requires immediate attention.