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: Psychiatry
[{'content': 'Functional somatic disorder is? \nSelect and explain. \nA. Somatization disorder, B. Chronic fatigue syndrome, C. Hypochondriasis, D. Body dysmorphic disorder', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. B. Chronic fatigue syndromeFunctional somatic syndromes:They are characterized more by symptoms, suffering and disability than by disease specific, demonstrable abnormalities of structure or function, i.e. There is repoing of somatic symptoms and resultant disability rather than on the evidence of underlying convention disease processThree most common functional somatic syndromes are fibromyalgia, Irritable bowel syndrome and chronic fatigue syndrome.', 'role': 'assistant'}]