This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Trauma, Subject name: Surgery
Which of the following is best treatment for Grade II abdominal hypeension? 
Select and explain. 
A. Laparotomy, B. Immediate decompression, C. Hypovolemic resuscitation, D. Normovolemic resuscitation
C: Hypovolemic resuscitation
Answer: C: Hypovolemic resuscitation 
Explanation: Abdominal compament syndrome grading system Grade Bladder pressure (mm Hg) Clinical features Treatment I 12-15 None Nomovolemic resuscitation II 16-20 Oliguria, Splanchnic hypoperfusion Hypovolemic resuscitation II 21-25 Anuria, increased ventilation pressure Decompression IV >25 Anuria, Increased ventilation pressure & decreased PO2 Emergency re-exploration