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MMLU-Pro / 6669 / A previously healthy 22-year-old college student is brought to the emergency…

Problem

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question

A previously healthy 22-year-old college student is brought to the emergency department by her parents 20 minutes after they observed her having a seizure. After the seizure, she was confused and had difficulty thinking of some words. She has had a headache, cough, and fever for 3 days treated with acetaminophen and dextromethorphan. Her temperature is 38.9°C (102°F). Neurologic examination shows diffuse hyperreflexia. On mental status examination, she is confused and has short-term memory deficits. She has difficulty naming objects and makes literal paraphasic errors. An MRI of the brain shows bitemporal hyperintensities. A lumbar puncture is done; cerebrospinal fluid analysis shows an erythrocyte count of 340/mm3 , a leukocyte count of 121/mm3 (88% monocytes), and a protein concentration of 78 mg/dL. Which of the following is the most likely diagnosis?

category

health

options

  1. Migraine with aura
  2. Bacterial meningitis
  3. Epstein-Barr virus encephalitis
  4. Herpes simplex encephalitis
  5. Influenza encephalopathy
  6. Dextromethorphan intoxication
  7. Viral meningitis
  8. HIV encephalopathy
  9. Lyme disease
  10. Acute disseminated encephalomyelitis

src

ori_mmlu-professional_medicine

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