Ans. (d) All the aboveRef: Bailey and Love 27th edition, Page 1544In kidney transplant extended donor criteria is defined in USA as* Donor age > 60 years (or)* Donor age 50-60 years with any two of the following problems# Hypertension# Death from stroke# Terminal creatinine >132mmol/l.These marginal donors have less satisfactory outcomes than standard donors.