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: Medicine
[{'content': 'Leukocyte Alkaline phosphatase ; True is \nSelect and explain. \nA. Screening test used to distinguish CML from Myeloproliferative disorders, B. LAP increases in all myeloproliferative disorder except CML, C. LAP increases in polycythemia vera, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: LAP (Leukocyte Alkaline phosphatase):\nScreening test used to distinguish CML from other myloproliferative disorder because LAP ↑ ses in all myeloproliferative disorder, except CML\n\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0 ↓\nSo ↑ses in polycythemia, myelofibrosis.', 'role': 'assistant'}]