TOPIC: RANDOM MIX

In the pathogenesis of periprosthetic joint infection (PJI), Staphylococcus epidermidis primarily utilizes which of the following mechanisms to confer profound resistance to host immune clearance and systemic antibiotics?

A Intracellular survival within host osteoblasts
B Elaboration of Panton-Valentine leukocidin (PVL) to directly destroy macrophages
C Production of a polysaccharide intercellular adhesin (PIA) to form a protective biofilm
D Secretion of beta-lactamase directly onto the implant surface
OrthoMCQ
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