Problem: A 48-year-old man presents with a two-day history of non-productive cough. He denies any fever, chest pain, or nausea. His past medical history includes hypertension, which was diagnosed three weeks ago, and for which he was started on medication. He also has gastroesophageal reflux disease (GERD), type 2 diabetes mellitus, and migraines. On examination, he is oriented to time, place, and person. On auscultation of the chest, there is clear air entry bilaterally. What is the most appropriate next step in managing the patient's cough? Need Assignment Help? A. Chest x-ray B. Spirometry C. Inhaled bronchodilators D. Review the medications