BA/Choc Samples for Cultures Skin infection/pustules Gram from colonies MAC Test

Question

BA/Choc Samples for Cultures Skin infection/pustules Gram from colonies MAC Tests Final ID ??? Small smooth translucent colonies growth Urease: negative showing alpha hemolysis after 48 hrs of incubation No Catalase:negative Small slender gram positive non spore forming rods Genus Nitrate reduction: negative Species Fermentati -Glucose: weak at 48hrs Mannitol: negative Sucrose: negative Xylose: negative Citrate:positive Eye infection D Describe how a heat shock test is performed BA/Choc and PEA Gram positive rods arranged as songles, pairs and serpentine with clear bacillary clear zones suggestive of spores and bacillary body hemolytic colonies No growth Voges Prokauer:positive Large creamy feathery and spreading beta Indole:positive Lecithinase:positive Motility:positive Genus Species CNA:no growth Blood Culture Small yellowish Medium gram positive rods No Fermentation ranular colonies growth -Glucose: positive Endocarditis in immunocompromised patient Maltose: positive Sucrose: positive Xylose: negative Genus Species Urea: negative Nitrate reduction: negative Tinsdale:negative Nonlipophilic

Explanation / Answer

ans- A genus- Propionibacterium

species- freudenreichi. this is the common bacteria associated with acne and other skin associated problems.

ans-B genus- Stephlococcus

species- Aureus. because the test results are same for this bacteria as listed in table and also it is associated with conjuctivitis.

heak shock test is performed by providing a specific temperature to the species by keeping the colonies in a hot air oven or incubator and then observing the activities at diffrent temperatures.

ans-C genus- Nocardia

species- Blackwillii.

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