This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gastrointestinal Radiology, Subject name: Radiology
[{'content': 'Most Sensitive Investigation for Acute Appendicitis? \nSelect and explain. \nA. USG, B. CT, C. MRI, D. Abdominal Radiography', 'role': 'user'}, {'content': 'Answer: B \nExplanation: * CT is the more sensitive investigation to detect Acute Appendicitis than USG * USG is preferred investigation for acute appendicitis in children and CT scan in Adults', 'role': 'assistant'}]