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A Microbiologist Observes Culture Plates That Have Larger Nonpigmented Gray

Question 25

Multiple Choice

A microbiologist observes culture plates that have larger nonpigmented gray colonies at 24 hours that are indole-negative, nonmotile, catalase-positive, and resistant to polymyxin B disks.The Gram stain shows this is a gram-negative coccobacilli.What is the most probable organism?


A) Francisella tularensis
B) Brucella mallei
C) Yersinia pestis
D) Burkholderia cepacia

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