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': 'Bone and soft tissue radiology, most impoant infraction? \nSelect and explain. \nA. Compton scattering, B. Thompson scattering, C. Photoelectric absorption, D. Coherent scatter', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is'a'i.e., Compton scatteringComPton scattering is the most common type of interaction in diagnostic radiology and is responsible for most scattered radiations.", 'role': 'assistant'}]