Consider the following four statements (i-iv) regarding

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

1. (ii) and (iii)
2. (iii) and (iv)
3. (i) and (iii)
4. (i) and (ii)

Correct Option: D

Tissue and blood group matching are essential before undertaking kidney transplant. Even if kidney transplant is proper, the recipient may need to take immuno suppresant all his/her life. The ability of body to differentiate self and nonself and the cell-mediated immune response is responsible for graft rejection.