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': 'The technique employed in radiotherapy to counteract the effect of tumour motion due to breathing is known as – \nSelect and explain. \nA. Arc technique, B. Modulation, C. Gating, D. Shunting', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Respiratory gating\xa0is one of the latest techniques in radiation therapy and involves matching radiation treatment to\xa0a patient\xa0own respiratory pattern.', 'role': 'assistant'}]