Final answer:
A client with purpura and blood in the urine and stools may be experiencing hematuria or hemoglobinuria.
Step-by-step explanation:
A client with purpura and blood in the urine and stools may be experiencing hematuria which is a condition where there is blood in the urine. This can be caused by various conditions such as nephritis, trauma, tuberculosis of the kidney, and kidney stones. Hematuria is characterized by the presence of both red blood cells (RBC) and white blood cells (WBC) in the urine. Another condition that may cause blood in the urine is hemoglobinuria, which is the presence of excess hemoglobin in the urine and can be observed in conditions such as malaria, kala-azar, and typhoid.