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Observe the oxidase test and give the result. Name an organism that could give this result.

Select the pair of organisms which would provide appropriate positive and negative controls for the CAMP test:

A joint fluid is received in the lab and inoculated to BAP, MAC, Chocolate and thio. After 24 hrs. of incubation the thio is cloudy, the BAP and MAC have no growth and the chocolate has a gray/tan wet colony. The gram stain shows gram negative diplococci. Select the true statement:

State the positive and negative control organisms that would be used for the following tests: Bile esculin CAMP Oxidase Optichin

Which two diseases are usually preceded by infection with beta-hemolytic streptococci?

Name a Streptococcaceae that is consistently resistant to penicillin.

Identify the organism that is generally known to be beta lactamase (+):

Interpret the following results: BAP: small, beta-hemolytic colony MAC: no growth GS: g+c in chains Catalase: (-) Bacitracin: (+) Bile esculin: (-) The MLT should:

All of the following sexually transmitted organisms are incurable except:

After 24 hrs. incubation, a urine culture from a pregnant female shows a beta hemolytic colony on BAP and no growth on MAC. The following tests are performed: gram stain: g+c      catalase: (+) Select the next appropriate test which should be performed: