This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Surgery
[{'content': 'Sub acute sponteneous peritonitis in cirrhosis patients the polymorphonuclear cells are \nSelect and explain. \nA. More than 200 cells\\/cumm, B. More than 300 cells \\/ cumm, C. More than 400 cells \\/ cumm, D. More than 500 cells \\/ cumm', 'role': 'user'}, {'content': "Answer: A \nExplanation: Primary peritonitis is common in cirrhotic patients with ascites,as spontaneous bacterial peritonitis(SBP).Ascitic fluid WBC count if more than 250 cells mm3 with more than 50% cells are polymorphonuclear cells(PMN) suggestive of SBP. Reference:SRB' s manual of surgery,5th edition, page no:566.", 'role': 'assistant'}]