CCTC Organ Procurement and Preservation 3

Question 1

Which organization maintains the national deceased donor organ allocation system in the United States?

Accepted Answer

United Network for Organ Sharing (UNOS)

Answer

Centers for Medicare & Medicaid Services (CMS)

Answer

Association of Organ Procurement Organizations (AOPO)

Answer

Advisory Committee on Organ Transplantation (ACOT)

Question 2

The Kidney Donor Profile Index (KDPI) is primarily used to:

Accepted Answer

Estimate the relative risk of graft failure compared to an ideal kidney donor

Answer

Rank recipients on the transplant waiting list by medical urgency

Answer

Determine the appropriate immunosuppression regimen after transplant

Answer

Calculate the safe cold ischemia time for a given donor kidney

Question 3

Normothermic machine perfusion (NMP) differs from hypothermic machine perfusion (HMP) in that NMP:

Accepted Answer

Maintains the organ at physiologic temperature with oxygenated blood or perfusate

Answer

Uses ice-cold preservation solution to suppress metabolic activity

Answer

Is only approved for pancreas preservation by UNOS policy

Answer

Requires less specialized equipment and staff training

Question 4

In DCD donation, functional warm ischemia time (fWIT) begins when:

Accepted Answer

Systolic blood pressure falls below 50 mmHg or SpO2 falls below 70%

Answer

The donor is removed from ventilator support

Answer

The surgical incision is made for organ procurement

Answer

The donor's heart ceases all electrical activity

Question 5

What is the primary goal of hemodynamic management in a brain-dead donor during the donation process?

Accepted Answer

Optimizing organ perfusion and viability for successful transplantation

Answer

Minimizing fluid administration to prevent pulmonary edema in the donor

Answer

Reducing vasopressor requirements to zero before procurement

Answer

Preventing further neurologic injury in the donor

Question 6

The Maastricht classification in DCD donation categorizes donors by:

Accepted Answer

The circumstances and timing of cardiac death leading to donation

Answer

The organ preservation solution used during procurement

Answer

The protocol used to match donors and recipients by HLA type

Answer

A scoring system for post-transplant rejection episodes

Question 7

During multi-organ procurement surgery, which organs are typically removed first due to their extreme ischemic sensitivity?

Accepted Answer

Heart and lungs

Answer

Liver

Answer

Kidneys

Answer

Pancreas