A nurse is caring for four clients who are 24 hours postoperative. At 1200 the nurse assesses the clients. Which of the following clients is the nurse's priority?

A client who reports pain as 4 on a scale of 1 to 10 at 0800 and now reports pain as 6 at 1200.

A client who has a prescription for insulin and the pre-meal capillary blood glucose was 110 mg/dL and the client's post-meal capillary blood glucose is now 180 mg/dL at 1200.

A client whose blood pressure at 0800 was 138/86 mmHg and at 1200 is 106/60mmHg.

A client whose wound drainage at 0800 was sanguineous and now it is serosanguineous at 1200.