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': 'Mania is characterized by -a) Paranoid delusionb)  Loss of orientationc) High self esteemd) Loss of insight \nSelect and explain. \nA. abc, B. ad, C. bc, D. acd', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Paranoid delusions (delusion of persecution) may occur secondary to the delusions of persecution (e.g. I am so great that people are against me).\nManic patients have high self esteem.\nInsight is absent.\nPatient is alert & well oriented.', 'role': 'assistant'}]