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
[{'content': 'A young office executive, on tour, presents with bright red painless bleed since 7 days and abdominal pain. External and perrectal examinations are normal. As attending general practioner what will be your next step: \nSelect and explain. \nA. proctoscopy, B. do a barium enema, C. refer to surgeon for sigmoidoscopy, D. refer to gastroenterologist for colonoscopy', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Proctoscopy Hemorrhoids is most likely the cause of fresh, painless bleed in this young patient. (Other causes of fresh lower GI bleed are- fissures, diveicula, ischemic colitis, and aerio-venous malformations). So the next step would be to check for hemorrhoids using a proctoscope, before going for more invasive procedures like sigmoidoscopy or colonoscopy to diagnose other conditions.', 'role': 'assistant'}]