This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: miscellaneous, Subject name: Dental
[{'content': 'Wood lamp wavelength is \nSelect and explain. \nA. 360-385, B. 400-450, C. 280-320, D. 450-500', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Woods filter is opaque to all wavelengths it can pass only light between 320-400nm iadvl textbook of dermatology page 109', 'role': 'assistant'}]