This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: JIPMER 2017, Subject name: Pathology
[{'content': 'Flow cytometry is used to \nSelect and explain. \nA. Antibody response T lymphocytes, B. Separate blood cells from whole blood, C. Distinguish between leukocytes, D. To get differential leukocyte count', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Flow cytometry:These include B- and T-cell lymphomas and leukemias, as well as myeloid neoplasms. An advantage of flow cytometry over immunohistochemistry is that multiple antigens (CD molecule) can be assessed. Also PNH is diagnosed by flow cytometry, which provides a sensitive means for detecting red cells that are deficient in GPI-linked proteins such as CD59.', 'role': 'assistant'}]