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9281 Microbiology

Which one of the following statements is false:

AThe presence of ingested erythrocytes is seen only in Entamoeba histolytica
BYoung adult male of low socioeconomic status are most commonly affected by invasive amoebiasis
CA low Iron content in the diet predisposes to invasive amoebiasis
DThe pathogenic and nonpathogenic strains of E. histolytica can be differentiated by the electrophoretic study of zymodemes
Microbiology
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9288 Microbiology

A patient with symptoms of a UTI has a culture taken, which grows 5×103 E. coli. The laboratory reports it as “insignificant.” Which of the following is the most appropriate next step in management?

AConsider vancomycin as an alternative drug
BDetermine if fluorescent microscopy is available for the diagnosis of actinomycosis
CDo no further clinical workup
DSuggest to the laboratory that low colony counts may reflect infection; follow up with culture
Microbiology
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