CHT Organ & Tissue Allocation 1

Question 1

Which US federal agency oversees the national organ transplant system and UNOS contract?

Accepted Answer

Health Resources & Services Administration (HRSA)

Answer

HRSA administers the National Organ Transplant Act (NOTA) and contracts with UNOS to operate the Organ Procurement and Transplantation Network (OPTN).

Question 2

What is the role of an Organ Procurement Organization (OPO) in the transplant system?

Accepted Answer

Coordinates organ donation, donor evaluation, and procurement from deceased donors in a defined service area

Answer

OPOs are federally designated organizations responsible for organ donor identification, family consent, medical management of brain-dead donors, and organ procurement in their DSA.

Question 3

In kidney allocation, what does 'CPRA' primarily determine?

Accepted Answer

Priority points that highly sensitized candidates receive, increasing their chances of receiving an organ

Answer

High CPRA recipients receive additional priority points in UNOS kidney allocation policy to compensate for their reduced compatible donor pool.

Question 4

What is the definition of 'brain death' relevant to deceased donor organ procurement?

Accepted Answer

Irreversible cessation of all functions of the entire brain, including the brainstem

Answer

Brain death (neurological determination of death) requires irreversible loss of all brain functions including the brainstem, confirmed by clinical examination and often ancillary testing.

Question 5

What is a 'Donation after Circulatory Death' (DCD) donor?

Accepted Answer

A donor whose death is declared by circulatory criteria after planned withdrawal of life support

Answer

DCD donors are individuals whose death is determined by irreversible cessation of circulatory function, typically after deliberate withdrawal of life-sustaining treatment.

CHT - Certified Histocompatibility Technologist Practice Test

CHT - Certified Histocompatibility Technologist Practice Test

CHT Organ & Tissue Allocation 1