Questions:

Q1.  Transplantation is called ----------- if the graft is used for an identical anatomical position.

Q2.  A graft transplanted from one individual to a genetically ---------individual is called syngeneic graft.

Q3.  A graft transplanted between individuals of two different species is called ------------------.

Q4.  Substances recognized as ----------by the host immune system in an allograft are called alloantigens and the lymphocytes and antibody against those are called alloreactive.

Q5.  offspring of two different inbred animals usually do not reject the organ or tissue from either of the parents.(True/False)

Q6.  Molecules responsible for rejection of transplants are well known to be ---------------------.

Q7.  ---------- that are processed by MHC class I can activate the CD8+ T cell response and those processed by MHC class II can activate CD4+ specific immune response.

Answers:

• 1.  Orthotropic

  2.  Identical

  3.  Xenogeneic graft (xenograft)

  4.  Foreign

  5.  True

  6.  Major histocompatibility complex (MHC).

  7.  Alloantigens