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Unit VI
Question | Answer |
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Which organism does Listeria monocytogenes look like on BAP, and how can these be differentiated? | Demonstrates slight beta hemolysis appearing as GBS. Can be differentiated by catalase. Listeria monocytogenes is catalase positive, where as, GBS is catalase negative |
What are the two defining characteristics of Erysipelothrix rhusiopathiae? What are some other characteristics which can aide in identification? | Gram positive rod and H2S producer. Non-motile, catalase negative, oxidase negative, glucose positive. |
Identify the organism that is BE +, catalase +, Na hippurate +, diphtheroid like gram positive rod which demonstrates umbrella motility. | Listeria monocytogenes |
Identify the organism that is zoonotic infection of turkeys and swine and is acquired by occupational hazards of farmers, fishermen, and vets. | Erysipelothrix rhusiopathiae |
Erysipelothrix rhusiopathiae demonstrates what kind of growth? | "test tube brush" growth in gelatin media |