a patient arrives at the hospital with a history of long-term exposure to caustic fumes. assessment reveals a forced expiratory volume in 1 second/forced vital capacity (fev1/fvc) ratio of 65% and a functional oxygen saturation of 88%. the patient smokes 1 pack of cigarettes per day and reports a recent increase in sputum production and a change in color from clear to green. in which order should the nurse initiate the collaborative care actions?