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: Surgery
True about abdominal compartment syndrome is 
Select and explain. 
A. Intra abdominal pressure > 15 cm H2O, B. ↓ Urine output, C. ↑ Renal blood flow, D. ↓ Venous return
B: ↓ Urine output
Answer: B: ↓ Urine output 
Explanation: None