A71-year-old man has presented to his nurse practitioner's clinic complaining of abdominal and flank pain and blood in his urine for the past 48 hours. assessment reveals the man's temperature is 102f orally. which of the following health problems should the nurse first suspect?

Based on the given assessment done by the nurse, most likely, the old man has been suffering from Urinary Tract Infection or UTI or other disorders of the urinary system. Flank pain in the abdomen or sides may indicate a more serious condition and also blood was seen in his urine. The increased temperature indicates the presence of infection.