This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hernia, Subject name: Surgery
The best view to visualized minimal pneumo-peritoneum: 
Select and explain. 
A. AP view abdomen, B. Erect view abdomen, C. Right lateral decubitus with horizontal beam, D. Left lateral decubitus with horizontal beam
B: Erect view abdomen
Answer: B: Erect view abdomen 
Explanation: Ans. (b) Erect view Abdomen.* The best view is X ray Abdomen Erect view to look for Perforation (detects 1mlair)* If patient cannot stand left lateral decubitus with horizontal beam is used (detects 10mlair air)