This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hematology, Subject name: Pharmacology
[{'content': 'Eltrombopag is a: \nSelect and explain. \nA. Thrombopoietin agonist, B. Thrombopoietin antagonist, C. Erythropoietin agonist, D. Erythropoietin antagonist', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Eltrombopag is a oral thrombopoetin agonist, it increases the no. of platelets. So, it is approved for Idiopathic Thrombocytopenic Purpura(ITP). Some other such drugs are approved like: Lusutrombopag is used for patients having liver disease. Romilostim is intravenous thrombopoetin agonist. Erythropoetin agonist is Darbopoetin used in chronic renal faiure induced anemia and bone marrow suppresson induced anemia.', 'role': 'assistant'}]