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Infection Control Flashcards

6 cards from real CCHT practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

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  1. What is the recommended hepatitis B vaccination schedule for new hemodialysis patients, and what titer confirms adequate immunity?

    Answer: Double-dose 4-dose schedule (0, 1, 2, 6 months); anti-HBs 10 mIU/mL or greater

    ESRD patients have impaired immune response; they require a double-dose 4-dose HBV vaccine series with protective immunity defined as anti-HBs 10 mIU/mL or greater.

  2. Which organism is most commonly responsible for catheter-related bloodstream infections in hemodialysis patients?

    Answer: Staphylococcus aureus (including MRSA)

    Staphylococcus aureus, including methicillin-resistant strains (MRSA), is the most common cause of catheter-related bloodstream infections in hemodialysis patients.

  3. What is the purpose of maintaining a log of dialysis machine disinfection in the hemodialysis unit?

    Answer: To document compliance with infection control protocols and provide traceability for outbreak investigations

    Disinfection logs provide regulatory compliance documentation and enable traceback during infection outbreaks to identify potential sources.

  4. A patient arrives for treatment with an exit site infection at their tunneled dialysis catheter. What assessment findings suggest the infection may require catheter removal?

    Answer: Purulent drainage, tunnel track tenderness, fever, and bacteremia

    Signs of catheter tunnel infection (purulence, tunnel tenderness, systemic infection/bacteremia) typically indicate catheter removal is necessary as antibiotics alone are insufficient.

  5. What is the significance of the NHSN (National Healthcare Safety Network) reporting requirement for hemodialysis facilities?

    Answer: It is mandatory reporting of infections and events to enable national surveillance and benchmarking

    NHSN reporting is mandatory for all Medicare/Medicaid certified hemodialysis facilities to track infection rates, enable national comparison, and identify outbreak patterns.

  6. When cleaning blood spills in the hemodialysis unit, what is the recommended minimum concentration of bleach solution to use?

    Answer: 1:10 dilution (0.5% sodium hypochlorite)

    CDC recommends a 1:10 bleach solution (approximately 5,000 ppm sodium hypochlorite) for blood spill cleanup in dialysis units to effectively inactivate bloodborne pathogens.