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13 Cards in this Set

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Gram stain
bacteria, cocci& rods
positive: purple (thick cell wall- less dangerous)
neg: red/pink (thin cell wall- dangerous)
acid-fast
myobacteria, cryptospordidium
capsule stain
cryptococcus fungi
Giesma stian
protozoan parasites, malaria
Gram-variable
bacteria w/out gram stain results
catalase test
most bacteria catalas + (liberate H & O gas when H2O2)
Coagulase test
staph. family
Beta-hemolysis
bacteria hemolyzes blood: clear zones at growth
Alpha-hemolysis
bacteria partially hemolyzes blood: green zone @growth
Bile-esculin
metabolizes bile-esculin
Lactose fermentation
agar has lactose, bacteria will use it and agar chages color red --> purple at growth
Oxidase activity
some bacteria have oxidase enzyme
Acid-Fast
some bacteria have resistance to decolorization by acids during staining procedures