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: Pathology
[{'content': 'Which of the following is the rationale to perform a spinal tap on a newly diagnosed client with leukemia? \nSelect and explain. \nA. To rule out bacterial meningitis, B. To check if leukemia has spread to the cerebral spinal fluid, C. To classify the type of leukemia, D. To lower the pressure in the brain', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B:\xa0A\xa0spinal tap\xa0can determine if\xa0leukemia\xa0has infiltrated\xa0to the cerebral spinal fluid (CSF).\nA:\xa0A spinal tap can be done to rule out\xa0bacterial meningitis\xa0but this is not the reason\xa0for the test on a client with\xa0leukemia.\nC&D:\xa0Spinal tap is\xa0not done\xa0to\xa0identify the classification of leukemia\xa0and\xa0to decrease intracranial pressure.', 'role': 'assistant'}]