This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bleeding from the GUT and diseases of esophagus, Subject name: Medicine
[{'content': 'Most common cause of Lower GIT bleeding in adults? \nSelect and explain. \nA. Diveiculitis, B. Ulcerative colitis, C. Angiodysplasia colon, D. Colorectal cancer', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Lower GIT Bleeding cause in Hemorrhoid > Diveiculitis Best test for diagnosis Diveiculitis is CT Scan If perforation - laparotomy If not perforation - liquid diet along with Antibiotics If asked for vascular cause- Angiodysplasia colon.', 'role': 'assistant'}]