Pseudomonas aeruginosa 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 73-year-old man with a past medical history of COPD and hypertension is brought to the emergency department because of dyspnea over the past 2 days. He has a 25-pack year smoking history. On arrival, the patient has altered mental status and impending respiratory failure. Endotracheal intubation is performed in the emergency department. A chest radiograph demonstrates lung hyperinflation but no consolidation or infiltrates. The patient is started on bronchodilators, antibiotics, and corticosteroid therapy. On the fifth day of hospitalization, while still intubated, the patient develops a fever as well as yellowish, purulent secretions. Temperature is 38.9°C (102°F), pulse is 104/min, and blood pressure is 151/85 mmHg. Repeat chest radiograph reveals new right middle lobe infiltrates. Which of the following organisms is the most likely cause of this patient’s current symptoms?  

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