A 44-Year-Old Man Is Brought to the Emergency Department by His

question 292

Multiple Choice

A 44-year-old man is brought to the emergency department by his wife because of confusion that began a few hours ago.  Earlier in the day, he complained of a severe headache and nausea.  On physical examination, his temperature is 38.3 C (101 F) and nuchal rigidity is present.  Lumbar puncture and cerebrospinal fluid (CSF) examination show: Gram stain of the CSF would most likely reveal which of the following?

• A)Bean-shaped, Gram-negative cocci in pairs
• B)Lancet-shaped, Gram-positive cocci in pairs
• C)Gram-positive cocci in clusters
• D)Non-motile Gram-negative coccobacilli
• E)Motile Gram-positive rods

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