To Promote Muscle Relaxation and Induce Voiding After the Patient

To promote muscle relaxation and induce voiding after the patient has undergone an open loop resection and fulguration of the bladder,what is an appropriate intervention for the nurse to use?

A) Sitz baths four times per day
B) Encouraging fluids to 3000 mL/day
C) Isometric exercises of the perineal muscles every 2 hours
D) Application of warm compresses to the suprapubic area four times per day