The K antigen of the family Enterobacteriaceae is:

More than 100,000 CFU/mL of gram-negative bacilli were isolated on MacConkey from a urine specimen.  Biochemical results are as follows: Glucose Acid, gas produced Indole Negative Urea Positive PAD Positive H2S Positive   The organism is most likely:

What causes melioidosis

The conventional acid-fast staining methods for AFB use Carbolfuchsin as the primary stain, acid-alcohol as a decolorizing agent and methylene blue as a counterstain.  Which of the two conventional stains uses heat applied during the carbolfuchsin step?

Acinetobacter baumannii is 

__________, or gas gangrene, produces severe tissue destruction

An isolate is mixed with a few drops of tetramethyl-para-phenlenediamine dihydrochloride and a purple/blue color develops on the filter paper which indicates?

Bacteroides fragilis group can easily be differentiated from Fusobacterium necrophorum by its:

When does the patient develop tertiary syphilis?

Which of the following specimens is routinely decontaminated when trying to recover Mycobacterium speceis?