Streptococcus pneumoniae 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 34-year-old man presents to his primary care physician for evaluation of sinus pressure. The patient has had a stuffy nose with purulent nasal discharge for the past two weeks. In addition, he has been experiencing headaches and ear fullness. His symptoms began improving around 11-12 days after onset but then took a turn for the worse. Past medical history is notable for type II diabetes mellitus, for which he takes metformin daily. Temperature is 38.9°C (102°F), pulse is 101/min, respirations are 19/min, and blood pressure is 132/71 mmHg. Physical exam demonstrates tenderness to palpation over the bilateral maxillary sinuses. Which of the following organisms is the most likely cause of this patient’s clinical presentation?

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