An adult is admitted with acute flank pain, a 102°F (38.9°C) oral temperature, hematuria, dysuria, urgency, and fishy-smelling urine. Which admitting prescription(s) are most important for the nurse to implement? Select all that apply.

Obtain clean catch urine for culture and sensitivity.

Initiate broad spectrum IV antibiotic as secondary infusion.

Collect a serum sample for hemoglobin and hematocrit.

Give diphenhydramine prep for intravenous pyelogram.

Force oral fluids to 2,000 mL/24 hours.