A nurse is caring for a client who is 3 hr postoperative following abdominal surgery. Which of the following assessment data should the nurse report to the provider?

The client urine output has been 50 mL since surgery.

The client's pain level has decreased since the administration of morphine.

Serosanguineous drainage noted on the abdominal dressing.

Postoperative laboratory results are Hgb 15% and Hct 40%.