CCHT Dialyzer Reprocessing and Reuse 2

Question 1

Which chemical is most commonly used as a germicide during manual dialyzer reprocessing?

Accepted Answer

Peracetic acid

Answer

Glutaraldehyde

Answer

Bleach (sodium hypochlorite)

Answer

Formaldehyde

Question 2

What is the minimum acceptable total cell volume (TCV) for a reprocessed dialyzer to be approved for reuse?

Accepted Answer

80% of the original TCV

Answer

70% of the original TCV

Answer

90% of the original TCV

Answer

95% of the original TCV

Question 3

A technician notices the reuse count on a dialyzer has reached the facility's maximum allowed reuses. What is the correct action?

Accepted Answer

Discard the dialyzer and document the disposal

Answer

Continue using the dialyzer if TCV is still within acceptable limits

Answer

Reprocess the dialyzer one additional time with double germicide concentration

Answer

Report to the nephrologist before discarding

Question 4

Before returning a reprocessed dialyzer to a patient, which test must be performed to ensure patient safety?

Accepted Answer

Germicide residual test

Answer

Dialysate conductivity test

Answer

Blood leak detector calibration

Answer

Ultrafiltration coefficient verification

Question 5

Which of the following best describes the purpose of pressure testing a dialyzer during reprocessing?

Accepted Answer

To verify membrane integrity and detect fiber bundle leaks

Answer

To measure ultrafiltration rate

Answer

To confirm the dialysate flow path is patent

Answer

To check the blood pump segment for cracks

Question 6

What information must be documented on the label of a reprocessed dialyzer?

Accepted Answer

Patient name or ID, reuse count, and date of last reprocessing

Answer

Patient name, dialyzer model number, and germicide brand name

Answer

Nurse's initials, reuse count, and TCV percentage

Answer

Physician name, germicide concentration, and date of first use