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: Radiology
[{'content': 'In diagnosis of acute myocardial infarction hot spot is seen with: \nSelect and explain. \nA. Thallium 201 scan, B. Tc 99 scan, C. Strontium 90 scan, D. 1127 scan', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. 1127 scan', 'role': 'assistant'}]