This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anxiety disorders stress disorders and grief, Subject name: Psychiatry
[{'content': 'A 28-year-old woman says that she has always been "a nervous person." She feels tense all the time, shows sympathetic and parasympathetic symptoms, and has insomnia. This woman\'s condition is most likely to be \nSelect and explain. \nA. Post-traumatic stress disorder, B. Generalized anxiety disorder, C. Obsessive-compulsive disorder, D. Agoraphobia', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Generalized anxiety disorder is characterized by persistent anxiety lasting at least 6 months, with tension, sympathetic and parasympathetic symptoms, and insomnia. In this condition, the symptoms of anxiety cannot be related to a specific person or situation; instead, anxiety is "free floating." Reference: Kaplon and sadock, 11 th edition, synopsis of psychiatry, 11 th edition, pg no. 407', 'role': 'assistant'}]