A nurse is collecting data from a hospital patient who has been admitted with pyelonephritis. He is acutely ill with a high fever, chills, nausea, and vomiting. He also has severe pain in the flank area. What is the primary goal of treatment?

A Prevent further damage to his kidneys that could lead to renal failure. C Provide adequate nutrition with a stable body weight. D Provide adequate hydration with pulse and blood pressure within patient norms. B Give pain relief with analgesics and antispasmodics.