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
Rectum is inflated with air, pain occurs in right iliac fossa. Which sign 
Select and explain. 
A. Aaron sign, B. Battle sign, C. Bastedo sign, D. Meburney sign
C: Bastedo sign
Answer: C: Bastedo sign 
Explanation: an obsolete sign: in chronic appendicitis, pain and tenderness in the right iliac fossa on inflation of the colon with air. The definition information forBastedo sign is provided by Stedman&;s.