This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
[{'content': 'Longest acting erythro poietin analogue is \nSelect and explain. \nA. Epoietin α, B. Epoietin β, C. Darbo poietin, D. Romiplostim', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Darbo poietin is the longest acting erythropoietin analogue.\nEpoietin\xa0α & Epoietin β are other erythropoietin analogues.\nRomiplostim is a thromboplastin analogue.', 'role': 'assistant'}]