This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Mood disorders, Subject name: Psychiatry
Pathognomonic of maniac episode is 
Select and explain. 
A. Elevated mood, B. Grandiosity, C. Decreased appetite, D. Increased sleep
B: Grandiosity
Answer: B: Grandiosity 
Explanation: Mania tends to occur in episodes lasting 3-4 months followed by complete clinical cure In mania, there can be delusions of grandeur(grandiosity) with markedly inflated self-esteem. A delusion of persecution may sometimes develop secondary to a delusion of grandeur. (Ref: a sho textbook of psychiatry, Niraj Ahuja, 7th edition, pg no.69)