A nurse is caring for a client who has an indwelling urinary catheter. Which of the following actions should the nurse take?

A. Empty urine from the drainage bag every 12 hr: Urine should be emptied at least every 8 hours or when the bag is two-thirds full to prevent backflow and reduce the risk of infection. Waiting 12 hours may allow bacterial growth and urinary retention. B. Apply topical antimicrobial ointment to the client's urinary meatus following catheter care: Routine application of topical antimicrobials is not recommended and can promote resistance or skin irritation. Standard catheter care involves cleaning with soap and water only. C. Secure the catheter tubing to the client's thigh: Securing the catheter prevents tension on the urethra, reduces trauma, and minimizes the risk of accidental dislodgement. Proper stabilization also helps maintain catheter patency and patient comfort. D. Use clean technique to collect urine specimens from the drainage system: Sterile technique, not clean technique, should be used when obtaining urine specimens from an indwelling catheter to prevent introducing pathogens and causing infection.