CCTN Organ Procurement and Donor Evaluation 3

Question 1

Which statement best describes the expanded criteria donor (ECD) designation for kidneys?

Accepted Answer

ECD kidneys come from donors with risk factors associated with higher graft failure rates but may still benefit recipients

Answer

ECD kidneys are only from donors under age 18

Answer

ECD kidneys are always declined by transplant centers

Answer

ECD designation applies only to donors with cancer history

Question 2

Warm ischemia time in transplantation refers to which period?

Accepted Answer

Time from circulatory arrest to organ cooling in DCD, or from cross-clamp to reperfusion in DBD

Answer

Time from organ cooling to transplantation

Answer

Time the organ spends at room temperature during anastomosis

Answer

Time between brain death and family consent

Question 3

What does 'first-person consent' mean in the context of organ donation in the US?

Accepted Answer

An individual's documented decision to donate (e.g., on a driver's license) is legally binding

Answer

Family must provide first consent before a donor registry is consulted

Answer

A physician must obtain consent before any family member

Answer

Only next-of-kin can authorize donation

Question 4

Which apnea test finding confirms brain death during donor evaluation?

Accepted Answer

No spontaneous respirations with PaCO2 rising to ≥60 mmHg or 20 mmHg above baseline

Answer

Spontaneous respirations observed during the test

Answer

Decreased oxygen saturation alone

Answer

Positive corneal reflex

Question 5

Which donor characteristic increases the risk of disease transmission to the transplant recipient?

Accepted Answer

Recent high-risk behaviors for bloodborne infections

Answer

Donor age over 65

Answer

Donor hypertension

Answer

Cold ischemia time over 12 hours

Question 6

Which term describes the phenomenon where a transplanted kidney does not function immediately after transplantation, requiring temporary dialysis?

Accepted Answer

Delayed graft function (DGF)

Answer

Primary non-function

Answer

Hyperacute rejection

Answer

Chronic allograft nephropathy