This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Radiology
[{'content': 'Which bone scan is done to detect metastasis bone \nSelect and explain. \nA. Tc99 MDP, B. Th201, C. Tc99 DMSA, D. Tc99 sulphur colloid', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Tc99 MDP - bone scanTh201-myocardial imagingTc99 DMSA-Renal coical scintigraphyTc99 sulphur colloid - Liver and spleen scintigraphy(Ref: Radiology Review ManualBy Wolfgang Dahne 6thEtd, Page no:1084)', 'role': 'assistant'}]