A nurse is caring for a client diagnosed with pneumonia and assesses labored breathing and copious tracheobronchial secretions. What priority action should the nurse encourage with the client?

C Lie in a low Fowler's position to promote lung expansion B Perform pursed-lip breathing to expel trapped carbon dioxide from the alveoli A Limit oral fluids to minimize labored breathing. D Perform hourly incentive spirometry to inflate lungs and mobilize secretions.