An Infected Intravenous (IV)catheter Tip Grew Out Gram-Positive Cocci, Which

question 4

Multiple Choice

An infected intravenous (IV) catheter tip grew out gram-positive cocci, which were catalase positive and coagulase negative.The zone size of the novobiocin disk measured 18 mm.The most likely organism causing infection is:

• A) Staphylococcus saprophyticus.
• B) S. epidermidis.
• C) S. hominis.
• D) S. cohnii.

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