CTP Quality Control & Safety Procedures 2 — Questions and Answers
Question 1: Which temperature range is considered acceptable for perfusate storage prior to organ procurement?
- 2°C to 8°C (Correct answer)
- 10°C to 15°C
- −20°C to −10°C
- 0°C to 2°C
Correct answer: 2°C to 8°C
Perfusates must be stored at 2°C to 8°C to maintain sterility and chemical stability prior to use.
Question 2: A transplant coordinator notices the cold ischemia time is approaching the upper limit. What is the FIRST action to take?
- Notify the transplant surgeon immediately (Correct answer)
- Discard the organ and cancel the transplant
- Increase the perfusate flow rate
- Switch to a warmer storage solution
Correct answer: Notify the transplant surgeon immediately
Approaching cold ischemia time limits requires immediate surgeon notification so transplant timing decisions can be expedited.
Question 3: Which documentation is MOST critical to verify before releasing an organ for transplantation?
- Donor serology results and crossmatch compatibility (Correct answer)
- Donor's next-of-kin contact information
- The procurement surgeon's credentials
- Hospital billing records
Correct answer: Donor serology results and crossmatch compatibility
Serology results and crossmatch compatibility are essential safety verifications that directly affect recipient outcomes.
Question 4: When inspecting a kidney prior to packaging, you notice a small cortical laceration. What is the correct procedure?
- Document the finding and notify the transplant center before shipping (Correct answer)
- Immediately discard the organ
- Repair the laceration with suture and proceed without notification
- Ship the organ without documentation to avoid delays
Correct answer: Document the finding and notify the transplant center before shipping
All anatomical abnormalities must be documented and communicated to the transplant center to allow informed acceptance decisions.
Question 5: Which parameter is monitored to assess organ viability during hypothermic machine perfusion (HMP)?
- Renal vascular resistance (Correct answer)
- Organ surface color only
- Recipient blood type
- Donor age
Correct answer: Renal vascular resistance
Renal vascular resistance during HMP is a key indicator of organ viability and perfusion quality.
Question 6: What is the purpose of the 'back-table' inspection in organ procurement?
- To assess organ anatomy, quality, and prepare it for transplantation (Correct answer)
- To reanimate the organ before transplant
- To update donor demographic records
- To administer immunosuppression to the organ
Correct answer: To assess organ anatomy, quality, and prepare it for transplantation
Back-table inspection involves dissecting and evaluating the organ's anatomy and quality before it is transplanted into the recipient.
Question 7: Which action best prevents contamination during organ packaging?
- Using a sterile field and triple-bag technique (Correct answer)
- Packing the organ in a single bag to reduce handling
- Storing the organ in an unsealed container for rapid access
- Using tap water as the final flush solution
Correct answer: Using a sterile field and triple-bag technique
A sterile field combined with triple-bag packaging minimizes microbial contamination risk during organ transport.
CTP Quality Control & Safety Procedures 2
Which temperature range is considered acceptable for perfusate storage prior to organ procurement?