The nurse monitors the 3-day postoperative client who underwent abdominal surgery. Vital signs are: temperature: 37.9° C (100.2° F), pulse104 beats per minute, respirations 22 breaths per minute,...

The nurse monitors the 3-day postoperative client who underwent abdominal surgery. Vital signs are: temperature: 37.9° C (100.2° F), pulse104 beats per minute, respirations 22 breaths per minute, blood pressure 128/74 mmHg. Oxygen saturation is 93% on room air. The client feels tired and has a productive cough. Fine crackles are audible in the bases of the lungs posteriorly. The nurse considers the client has developed which postoperative problem?

1. Hypoxia 2. Atelectasis 3. Pneumonia 4. Fluid overload