Anatomy clinical correlates 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 66-year-old woman presents to the emergency department after developing acute onset, left-sided weakness. The patient’s daughter reports she found her mother sitting in a chair, unable to lift her left arm or leg. The patient’s past medical history includes hypertension and hyperlipidemia, for which she takes hydrochlorothiazide and atorvastatin. The patient’s temperature is 37°C (98.6°F), pulse is 110/min, respirations are 18/min, blood pressure is 177/86 mmHg, and O2 saturation is 97% on room air. Neurologic examination demonstrates a right-sided gaze deviation and 2/5 strength in the left upper and left lower extremity. An initial electrocardiogram is shown below. Which of the following structures of the heart is the most common origin of the thrombus implicated in this patient’s clinical condition?  

A 12-lead electrocardiogram (ECG) shows heart activity. Each lead displays a series of waves on a grid, indicating electrical impulses. Paper is red-lined.
Image reproduced from Wikimedia Commons.  

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