Nursing · Infection Control
A patient develops a catheter-associated urinary tract infection (CAUTI) several days after insertion, despite strict adherence to aseptic technique. Which of the following epidemiological mechanisms best explains this occurrence?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Improper urinary drainage bag positioning causing retrograde stasis
- 2Exogenous contamination of the catheter tip directly during the insertion process
- 3Cross-transmission by the hands of healthcare workers during routine care
- 4Endogenous transmission via ascending intraluminal or extraluminal colonization✓
Correct answer
Endogenous transmission via ascending intraluminal or extraluminal colonization
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