<prompt> The following pair of drugs acts as protectors of cancer chemotherapy?Dexrazoxane and FilgrastimFolinic acid and folic acidAmefostine and AcroleinMagnesium and sargramostim  <response>: Dexrazoxane prevents cardiotoxicity of anticancer antibiotics like doxorubicin by increasing the action of superoxide dismutase-mediated inhibition of free radicles. Filgrastim is used for bone marrow protection and new cell line formation. Ref: HL Sharma 3rded. Pg: 878 