<prompt> Which of the following chemotherapeutic drugs has selective action on hypoxic tumor cells ?Mitomycin CCisplatinDoxorubicin5 Flurouracil  <response>: Ans. is a i.e., Mitomycin Some impoant points about mitomycin. Mitomycin acts preferrentially on hypoxic cells It is a potent radiosensitizer It is absorbed consistently from Gl. tract so it administered by intravenous infusion 