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: Social & Preventive Medicine
[{'content': '“White Fingers” may result from which of the following occupational hazards \nSelect and explain. \nA. Heat, B. Cold, C. Vibration, D. UV Radiation', 'role': 'user'}, {'content': 'Answer: C \nExplanation: After some months or years of exposure to vibrations (10 – 500 Hz), the fine blood vessels of fingers may become\xa0extremely sensitive to spasm, known as ‘White fingers’.\nWhite fingers are a form of Raynaud’s Disease. Vibration white finger is the vascular component of ‘hand-arm vibration\xa0syndrome (HAVS)’.', 'role': 'assistant'}]