The client is being seen for chest congestion, occasionally…

The client is being seen for chest congestion, occasionally coughing up thick, yellow secretions, and shortness of breath for several days. The client’s chest x-ray is positive for pneumonia. The client has a 2-pack per day smoking habit. Vital signs, reported for the client by the CNA, are within normal limits except for respirations, which are 22 bpm. Based on the patient’s assessment data, which nursing diagnosis is most appropriate?