Consider the following four statements (a - d) regarding kidney transplant and select the two correct ones out of these.
1. Even if a kidney transplant is proper the recipient may need to take immuno-suppresants for a long time
2. The cell-mediated immune response is responsible for the graft rejection
3. The B-lymphocytes are responsible for rejection of the graft
4. The acceptance or rejection of a kidney transplant depends on specific interferons
The acceptance or rejection of a kidney transplant depends on specific interferons