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
Mania is characterized by -a) Paranoid delusionb)  Loss of orientationc) High self esteemd) Loss of insight 
Select and explain. 
A. abc, B. ad, C. bc, D. acd
D: acd
Answer: D: acd 
Explanation: Paranoid delusions (delusion of persecution) may occur secondary to the delusions of persecution (e.g. I am so great that people are against me).
Manic patients have high self esteem.
Insight is absent.
Patient is alert & well oriented.