Approach to encephalitis 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 22-year-old woman is brought to the emergency department by family for evaluation of abnormal behavior over the past several weeks. The family has observed increasingly odd and argumentative behavior and reports episodes of disorientation in familiar places. Past medical history is non-contributory. The only medication is an oral contraceptive. Temperature is 37.0°C (98.6°F), pulse is 82/min, respirations are 16/min, and blood pressure is 122/70 mmHg. On exam, the patient appears agitated with pressured speech. When asked to keep the tongue protruding or maintain grip, the patient is unable to sustain the action. No rash is present. A urine drug screen and serum ethanol level are negative. A complete blood count with differential is normal. Which of the following additional historical or examination findings are most consistent with the likely diagnosis? 

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