Pneumothorax Quiz: Ace Your Exams

Get ready to dominate your medical and nursing exams by using our dynamic quizzes to elevate your knowledge and increase your confidence. Whether you're gearing up for the USMLE®, COMLEX®, or your next in-class assessment, Osmosis quizzes tackle key topics in pathology, diagnostics, and treatment approaches. By honing in on clinical readiness and decision-making, we make sure the knowledge you gain empowers you both in the classroom and in real-world practice. Jump in and supercharge your exam prep!

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A 62-year-old male presents to the emergency department with severe shortness of breath. The patient is currently speaking in two to three word sentences and reports “my chest hurts.” Medical history is notable for chronic obstructive pulmonary disease, hypertension, coronary artery disease, and recent wrist surgery for a radial head fracture. He has a 30-pack-year smoking history. Temperature is 38.9°C (102°F), pulse is 105/min, blood pressure is 136/94 mmHg, and respiratory rate is 27/min. Oxygen saturation is 83% on room air. Physical examination is notable for a thin body habitus, accessory muscle use while breathing, reduced breath sounds over the right lung, and diffuse expiratory wheezing. EKG shows sinus tachycardia. An influenza test is ordered and returns positive. A chest radiograph reveals the following findings:

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Which of the following is the strongest risk factor predisposing the patient to his current condition?

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