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
Sub acute sponteneous peritonitis in cirrhosis patients the polymorphonuclear cells are 
Select and explain. 
A. More than 200 cells\/cumm, B. More than 300 cells \/ cumm, C. More than 400 cells \/ cumm, D. More than 500 cells \/ cumm
A: More than 200 cells\/cumm
Answer: A: More than 200 cells\/cumm 
Explanation: 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.