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Central line infection prevention — USMLE Step 3 MCQ

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HardEthics, Patient Safety, Quality Improvement, Systems-Based PracticeCentral line infection preventionUSMLE Step 3

An ICU has a rising rate of central line-associated bloodstream infections. Observation shows inconsistent hand hygiene, variable skin antisepsis, and no standard checklist during insertion. Staff want an evidence-based intervention. Which of the following is the most appropriate quality improvement measure?

Educational content. Not a substitute for clinical judgement or local policy.

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Correct answer: A — Implement a central line insertion bundle with checklist and maintenance audits

Central line bundles with sterile technique, chlorhexidine skin antisepsis, checklists, and maintenance auditing reduce infections.

Reference: CDC central line-associated bloodstream infection prevention guidance: https://www.cdc.gov/hai/