What is transplantation in immunology?

• The transfer of cells or tissues from one location to another within the same individual

• The transfer of tissues or organs from one individual to another

• The process of grafting skin during wound healing

• The replacement of diseased cells with artificial implants

Which of the following is an example of an autograft?

• Kidney transplant between siblings

• Skin graft from one area of the body to another in the same person

• Heart transplant between unrelated individuals

• Transplantation of pig heart valves into humans

What type of transplant involves tissues or organs from a genetically identical donor?

• Allograft

• Xenograft

• Isograft

• Autograft

Which type of transplantation involves crossing species barriers?

• Allograft

• Isograft

• Xenograft

• Autograft

Which of the following is NOT a factor affecting transplantation success?

• MHC compatibility

• Blood type compatibility

• Donor-recipient weight difference

• Cross-matching results

What is the primary purpose of cross-matching in transplantation?

• To measure the size of the graft

• To test compatibility between donor and recipient blood cells

• To prevent hyperacute rejection

• To identify viral infections in the donor

What is panel reactive antibody (PRA) testing used for?

• Evaluating donor organ function

• Detecting recipient antibodies against donor antigens

• Determining blood type

• Measuring organ viability post-transplant

What type of transplant involves unrelated individuals of the same species?

• Allograft

• Isograft

• Autograft

• Xenograft

Which of the following organs is most affected by MHC mismatch?

• Heart

• Kidney

• Liver

• Cornea

Which test directly measures recipient serum reactivity with donor lymphocytes?

• HLA typing

• Cross-matching

• PRA testing

• Blood group typing