A 26-Year-Old Man Is Being Evaluated for Recurrent Boils and Skin

question 487

Multiple Choice

A 26-year-old man is being evaluated for recurrent boils and skin abscesses.  Anterior nares swab culture is performed to determine colonization by the culprit bacteria, which yields gram-positive cocci in clusters.  The bacteria are able to grow in a media containing oxacillin.  PCR testing reveals the pathogen has acquired the mecA gene.  These bacteria are most likely to be resistant to which of the following antibiotics?

• A)Cefazolin
• B)Clindamycin
• C)Doxycycline
• D)Trimethoprim-sulfamethoxazole
• E)Vancomycin

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Definitions:

Empirical Data

Information gathered through observation or experimentation that can be analyzed to gain knowledge.

External Forces

Factors outside of an individual's or organization's control that affect their decisions or operations.

Scientific Theories

Thoroughly validated interpretations of particular facets of the natural world, grounded in an evidential base that has been consistently reaffirmed through both empirical observation and experimental procedures.