In assessing Mr. Ross’s respiratory status, you observe his…

In assessing Mr. Ross’s respiratory status, you observe his respiratory rate at 26 breaths/min, labored, and his pulse oximetry reading is 90% on 2 L of O2 per nasal cannula. He complains of dyspnea. His phlegm is green and thick and has an odor.  You want to provide the best care for your patient to help loosen his respiratory secretions and ease his shortness of breath. What interventions can you, as the nurse, initiate to promote airway clearance for Mr. Ross?