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.

Collect a serum sample for hemoglobin and hematocrit.

Obtain clean catch urine for culture and sensitivity.

Give diphenhydramine prep for intravenous pyelogram.

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

Initiate broad spectrum IV antibiotic as secondary infusion.