This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory system, Subject name: Pharmacology
[{'content': 'Filgrastim is used for the treatment of \nSelect and explain. \nA. Neutropenia, B. Anemia, C. Polycythemia, D. Neutrophilia', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Refer Katzung 11/e p 580-581 Filgrstim (G-CSF) and sargramostim(GM-CSF) are used to prevent or treat chemotherapy induced neutropenia Erythropoietin is used to treat anemia assosciated with chronic renal failure and cancer chemotherapy', 'role': 'assistant'}]