No prior immune suppression is helpful in which type of graft rejection?: (A) Acuterejection, (B) Hyperacute rejection, (C) Chronic rejection, (D) None of the above
Answer is B. Ans is 'b' i.e. Hyperacute rejectiono Hyperacute rejection is caused by ABO incompatibility and preformed cytotoxic antibodies against donor HLA antigens. Therefore immunosuppressant is not helpful.