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17 Cards in this Set
- Front
- Back
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What is the most common infectious agent in uncomplicated UTIs?
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E. coli
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What is responsible for E. coli causing an upper UTI (pyelonephritis)?
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P-pilli
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Which organism commonly causes stone formation in the urinary tract?
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Proteus
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What are the characteristics of Proteus?
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G- rod, normal gut flora
urease producing, swarming motility |
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The most common infectious agent causing UTIs ferments lactose.
True or False? |
True
E. coli is the MCC of UTI and ferments lactose |
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This UTI agent ferments lactose, produces urease, and its motility is characterized by swarming.
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Klebsiella
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Which infectious agents reduce nitrate?
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E. coli, Proteus, Klebsiella
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Which infectious agents ferment lactose?
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E. coli, Klebsiella
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Which infectious agents produce urease?
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Proteus and Klebsiella
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This catalase ________, coagulase_________ is the main culprit in "honeymoon cystitis."
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catalase positive, coagulase negative
Staph saprophyticus |
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Staph saprophyticus reduces nitrates.
True or False? |
False
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What are some other bugs that cause UTIs?
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Enterococcus, ureaplasma, chlamydia, candida
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Which two laboratory tests are included on a dipstick analysis of a UTI?
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Leukocyte esterase
Nitrite |
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What does one look for in a microscopic analysis of a urine sample suspected of UTI?
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Bugs, WBCs, casts
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What do WBC casts imply?
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Pyelonephritis (upper UTI)
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How does one distinguish between catalase positive/coagulase negative microbes?
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Staph saprophyticus is resistant to novobiocin while Staph epidermiditis is sensitive
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Which species of bug is most likely to be considered a contaminant?
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Coagulase negative Staph
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