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15 Cards in this Set
- Front
- Back
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The most likely interpretation of the isolation of two colonies of E.coli on a plate streaked from a urine sample is |
b normal biota |
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The most likely interpretation os the isolation of 50 colonies of streptococcus pneumonaie is |
a probable infection |
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the most likely interpretation of the isolation of 80 colonies of varous steptococci on a culture from a throat swab is |
b normal biota |
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the most likely interpretation of colonies of black bread mold on selective media used to isolate bacteria from stool is |
c contamination |
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which of the following methods ca identify different strains of microbe? |
c DNA Typing |
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in agglutination reactions, the antigen is a ___________________; in the precipitation reactions, it is a _________________ |
b Bacterium, Virus |
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a patient with a _____________ titer of antibodies to an infectious agent generally has a greater protection than a patient with a ___________ titer |
a high, low |
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direct immunifluorescence tests use a labeled antibody to identify |
a an unknown microbe |
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the western blot test can be used to idenfity |
d unknown antibodies and unknown antigens |
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which of the following methods looks for protein signatures? |
c Mass spectrometry |
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TF A PNA FISH test utilies both fluorescence and nucleic acids
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T |
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TF DNA probes are used to search for complementary segments of DNA |
T |
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TF Biochemical identification methods are based on a microbes utilization of nutrients |
T |
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TF All microorganisms that grow from a clinical sample should be considered significant |
F Microorganisms that are grown from clinical samples should be evaluated to determine their signicicance |
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TF The differenial diagnosis drived the selection of genes placed on a microarray chip
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T |
