Which of the following immune responses is responsible for rejection of kidney graft?
- Inflammatory immune response
- Cell-mediated immune response
- Auto-immune response
- Humoral immune response
Answer
(2) Cell-mediated immune response
Solution
As per NCERT, the body is able to differentiate ‘self’ and ‘non-self’, and the cell-mediated immune response (CMI), brought about by T-lymphocytes, is responsible for graft rejection.
∴ Rejection of a kidney graft is due to cell-mediated immunity.
Answer: (2)