Yоu hаve diаgnоsed а 65 yо woman with COPD with a moderate exacerbation based on symptoms of purulent sputum, worsening cough and shortness of breath. Her pulse ox is 87%, baseline FEV1 65% and her maintenance medication is inhaled tiotropium. You have determined that antibiotics are warranted. In addition to starting these, whatever interventions are recommended for management (select all that apply):