This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Rectum, Subject name: Surgery
Most common cause of per rectal bleeding is: 
Select and explain. 
A. Diverticulosis, B. Hemorrhoids, C. Crohn's disease, D. Cancer Colon
A: Diverticulosis
Answer: A: Diverticulosis 
Explanation: Ans. (a) DiverticulosisRef: Sabiston Page 1151 Table* Most common cause of bleeding PR overall is diverticulosis* MC cause of Bleeding PR in children is Fissure in ano.