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 49-year-old woman comes to the emergency room for evaluation of fever and a cough productive of thick, purulent sputum. The patient’s symptoms have been ongoing for the past two days. She has not experienced hemoptysis, unintentional weight loss, or night sweats. Past medical history is notable for type II diabetes. She has a 15-pack-year smoking history and does not consume alcohol. Temperature is 38.5°C (101.3°F), pulse is 104/min, respirations are 19/min, and blood pressure is 122/88 mmHg. Physical examination demonstrates dullness to percussion and bronchial breath sounds over the right lung. Chest radiograph reveals a right lower lobe consolidation. Sputum Gram stain reveals gram positive diplococci. Which of the following is a feature of the organism most likely responsible for this patient’s symptoms?  

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