In caring for a patient receiving therapy -ith a myelosuppressive antineoplastic drug, the nurse notes an order to begin filgrastim after the chemotherapy is completed. Which statement correctly...

In caring for a patient receiving therapy -ith a myelosuppressive antineoplastic drug, the nurse notes an order to begin filgrastim after the chemotherapy is completed. Which statement correctly describes -hen the nurse -ill begin the filgrastim therapy?

a) It can be started during the chemotherapy.
b) It -ill begin immediately after the chemotherapy is completed.
c) It -ill be initiated 24 hours after the chemotherapy is completed.
d) It -ill not be started until at least 72 hours after the chemotherapy is completed.