CCHT Infection Control 3

Question 1

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

Accepted Answer

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

Answer

Standard 3-dose schedule; any detectable anti-HBs titer

Answer

Single high-dose injection; anti-HBs 100 mIU/mL or greater

Answer

Standard schedule with annual boosters; anti-HBs 5 mIU/mL or greater

Question 2

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

Accepted Answer

Staphylococcus aureus (including MRSA)

Answer

Escherichia coli

Answer

Pseudomonas aeruginosa

Answer

Candida albicans

Question 3

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

Accepted Answer

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

Answer

To track machine age and schedule replacements

Answer

To calculate the cost of disinfectant use

Answer

To schedule machine calibration appointments

Question 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?

Accepted Answer

Purulent drainage, tunnel track tenderness, fever, and bacteremia

Answer

Mild redness at the exit site

Answer

Minimal serosanguineous discharge without surrounding erythema

Answer

Itching at the exit site without drainage

Question 5

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

Accepted Answer

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

Answer

It is optional quality reporting for top-performing centers only

Answer

It only applies to inpatient hospital dialysis units

Answer

It tracks equipment malfunction rates only

Question 6

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

Accepted Answer

1:10 dilution (0.5% sodium hypochlorite)

Answer

1:100 dilution (0.05% sodium hypochlorite)

Answer

Undiluted bleach only

Answer

Bleach is not recommended; use quaternary ammonium compounds only