Questions:

Q1.  ------------- gave the concept of immune surveillance in 1950's.

Q2.  Tumor specific antigens are the ones that do not ---------on normal cells but only on tumor cells.

Q3.  Oncofoetal antigens are the proteins that are highly expressed in cancer cells as well as in -------- undergoing development but are absent in the adult cell.

Q4.  M1 cells especially treat the tumor cells like an infectious organism and produces cytokine tumor necrosis factor (TNF) to kill the tumor but M2 macrophages on the other hand are associated with tumor progression.(True/False)

Q5.  NK cells express CD56 and------ antigen receptors over their surface.

Q6.  ---------- are tissue specific molecules expressed only on normal cells of origin and are not expressed on cells from other tissues.

Q7.  ---------- are the ones that express on tumor as well as normal cells.

 

Answers:

• 1.  Macfarlane Burnet

  2.  Express

  3.  Foetus

  4.  True

  5.  CD16

  6.  Tissue specific differentiation antigens

  7.  Tumor associated antigens