<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 63-year-old man presents to the emergency department complaining of sudden-onset severe dyspnea and right-sided chest pain. The patient has a history of chronic obstructive pulmonary disease, hypertension, peptic ulcer disease, and hyperthyroidism. He has smoked a pack of cigarettes daily for 20 years, drinks socially, and does not take illicit drugs. The blood pressure is 13080 mm Hg, the pulse is 98min and regular, and the respiratory rate is 20min. Pulse oximetry shows 90 on room air. On physical examination, he is in mild respiratory distress. Tactile fremitus and breath sounds are decreased on the right, with hyperresonance on percussion. The trachea is midline and no heart murmurs are heard. Which of the following is the most likely underlying mechanism of this patients current condition?? A: Compression of a main bronchus due to neoplasia, B: Formation of an intimal flap in the aorta, C: Perforation of a peptic ulcer, D: Increased myocardial oxygen demand, E: Rupture of an apical alveolar bleb,  <response>: This is a clinical vignette describing a 63-year-old man with sudden onset of severe dyspnea and right-sided chest pain. He has a history of COPD, hypertension, PUD, and hyperthyroidism. He is a smoker. On exam he has decreased breath sounds, tactile fremitus, and hyperresonance on the right, suggesting a right-sided pneumothorax. E: Rupture of an apical alveolar bleb 