This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Platelet Disorders, Subject name: Medicine
[{'content': "Which of the following is given to treat thrombocytopenia secondary' to anti-cancer therapy and is known to stimulate progenitor megakaryocytes? \nSelect and explain. \nA. Filgrastim, B. Oprelvekin, C. Erythropoietin, D. Anagrelide", 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Oprelvekin o Oprelvekin (1L-11) is used to prevent and treat thrombocytopenia.", 'role': 'assistant'}]