A Microbiology Technician Is Looking at a Set of Plates

question 6

Multiple Choice

A microbiology technician is looking at a set of plates from a seriously ill patient.The sheep blood agar (SBA) plate shows small,nonhemolytic colonies that have a fried egg appearance.On MacConkey,these organisms grow as a small,nonlactose fermenter.On Gram stain,this organism is a bipolar staining,plump gram-negative rod.What is the most probable organism?

• A) Brucella mallei
• B) Brucella anthracis
• C) Yersinia pestis
• D) Burkholderia cepacia

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