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: Pathology
[{'content': 'Which does of radiation given in fraction over sereral weeks will causes radiation nephritis beginning six months of more - \nSelect and explain. \nA. 1000 rads, B. 1500 rads, C. 2300 rads, D. 4200 rads', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., 2300 rads o Exposure to 2300 to 2800 rad can cause radiation induced kidney damage.", 'role': 'assistant'}]