CBIC Infection Control CIC Question # 31 Topic 4 Discussion
CIC Exam Topic 4 Question 31 Discussion:
Question #: 31
Topic #: 4
Which of the following active surveillance screening cultures would be appropriate for carbapenem-resistant Enterobacterales (previously known as carbapenem-resistant Enterobacteriaceae) (CRE)?
Carbapenem-resistant Enterobacterales (CRE) colonization is most commonly found in thegastrointestinal (GI) tract. Therefore, rectal or peri-rectal cultures are recommended foractive surveillance screening.
Why the Other Options Are Incorrect?
B. Nares or axillary cultures– CRE is not primarily found in thenasal or axillary region; this method is more relevant for detectingMRSA.
C. Abscess or blood cultures– While CRE may be present inclinical infections, these cultures are not used forscreening asymptomatic carriers.
D. Throat or nasopharyngeal cultures– CRE does not commonly colonize theupper respiratory tract, so these are not ideal for active screening.
CBIC Infection Control Reference
TheCDC and APIC guidelinesemphasizerectal or peri-rectal swabbingas the most effectiveactive surveillance methodfor CRE detection.
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