<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 65-year-old woman comes to the physician because of a 3-month history of progressive shortness of breath and a dry cough. She has also noticed gradual development of facial discoloration. She has coronary artery disease, hypertension, and atrial fibrillation. She does not remember which medications she takes. Her temperature is 37C 98.6F, pulse is 90min, respirations are 18min, and blood pressure is 15085 mm Hg. Pulse oximetry on room air shows an oxygen saturation of 95. Examination shows blue-gray discoloration of the face and both hands. Diffuse inspiratory crackles are heard. An x-ray of the chest shows reticular opacities around the lung periphery and particularly around the lung bases. The most likely cause of this patients findings is an adverse effect to which of the following medications?? A: Procainamide, B: Lisinopril, C: Metoprolol, D: Amiodarone, E: Warfarin,  <response>: This is a question about identifying the likely cause of a patients symptoms based on her medical history, exam findings, and test results. The key findings are a 3-month history of shortness of breath, cough, and facial discoloration in an elderly woman with coronary artery disease, hypertension, atrial fibrillation, and unknown medications. She has crackles on lung exam and reticular opacities on chest x-ray concerning for an interstitial lung disease. This constellation of findings is most consistent with amiodarone-induced pulmonary toxicity given the chronicity, facial discoloration, and chest imaging findings. Procainamide can cause a lupus-like syndrome but not these pulmonary findings. Lisinopril may cause a dry cough but not progressive dyspnea and hypoxemia. Metoprolol would not cause these findings. Warfarin would not cause pulmonary toxicity. Therefore, amiodarone is the most likely culprit.D: Amiodarone 