A patient's diagnostic testing revealed that he is colonized with vancomycin-resistant enterococcus (VRE). What change in the patient's health status could precipitate an infection?
A) Use of a narrow-spectrum antibiotic
B) Treatment of a concurrent infection using vancomycin
C) Development of a skin break
D) Persistent contact of the bacteria with skin surfaces
Ans: C
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Colonization can progress to infection if there is a portal of entry by which bacteria can invade body tissues. The use of vancomycin, or any other antibiotic, would not necessarily precipitate a VRE infection. Prolonged skin contact is similarly unlikely to cause infection, provided the skin remains intact.
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