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': 'Free-floating persistent anxiety and Excessive worry are characteristic features of \nSelect and explain. \nA. Generalised anxiety disorder, B. Obsessive compulsive disorder, C. Schizotypal disorder, D. Panic disorder', 'role': 'user'}, {'content': "Answer: A \nExplanation: Generalized anxiety disorder (GAD)'Excessive worry' (generalized free-floating persistent anxiety) and feelings of apprehension about everyday events/problems, with symptoms of muscle and psychic tension, causing significant distress/functional impairment. obsessive compulsive disorder is a type of neurosis that is assosiated with obsessions and compulsions that is charecterised by repeated, recurrent, irrelevant, intrusive thought assosiated with motor acts schizotypal disorder is a type of personality which is assosiated with odd and eccentric behaviour, recently schizotypal is also mentioned a s atype of schizophrenia Reference: Oxford Textbook of Psychiatry; 3rd edition; Chapter 9; Anxiety and stress-related disorders", 'role': 'assistant'}]