A gram positive coccus from the urine of a young woman is catalase positive, coagulase negative, and resistant…

Question

A gram positive coccus from the urine of a young woman is catalase positive, coagulase negative, and resistant to novobiocin. Which organism is most likely?

Accepted Answer

보기 3: Staphylococcus saprophyticus

Among the coagulase-negative staphylococci, resistance to novobiocin identifies Staphylococcus saprophyticus. The clinical setting of a urinary tract infection in a young woman is an additional clue. Staphylococcus epidermidis is susceptible to novobiocin.

Answer

보기 1: Staphylococcus epidermidis

Answer

보기 2: Staphylococcus aureus

Answer

보기 4: Enterococcus faecalis

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A gram positive coccus from the urine of a young woman is catalase positive, coagulase negative, and resistant to novobiocin. Which organism is most likely?

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