A nurse is caring for a client who is 6 hr postoperative following a bowel resection. Which of the following findings is the priority for the nurse to report?

C There is 60 mL of dark yellow urine from the indwelling urinary catheter over the past 4 hours. D The client arouses easily but quickly falls back asleep. A There is 20 mL of dark red drainage from the wound drainage device over the past 4 hours. B The client reports a pain level of 6 on a scale from 1 to 10 at the incision site.