A Patient Who Has Cancer Is About to Begin Chemotherapy

A patient who has cancer is about to begin chemotherapy. The patient asks the nurse why two chemotherapeutic agents are being used instead of just one. Which response by the nurse is correct?

A) "The drugs may be given in less toxic doses if two drugs are used."
B) "Two agents used together can have synergistic effects."
C) "Use of two drugs will increase tumoricidal activity in the G0 phase of the cell."
D) "Using two agents will shorten the length of time chemotherapy is needed."