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7930 Microbiology

A 45-year-old white male with a history of alcohol abuse and periodontal disease is brought to the emergency room for a spiking fever and chills. Physical examination is significant for signs of lung consolidation. A chest x-ray shows a cavity in the right lower lobe that has an air/fluid level. A transtracheal aspiration is performed and the specimen is submitted to the laboratory for routine cultures and Gram’s stain. Based upon the clinical presentation, which of the following would be the most likely finding?

AAnaerobic bacteria
BAspergillus fumigatus
CEntamoeba histolytica
DStaphylococcus aureus
Microbiology
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