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
Patient presents with altered behaviour, delusions & hallucination suggest - 
Select and explain. 
A. Psyshotic disorder, B. Confirms schizophrenia, C. Korsakoff's psychosis, D. Depression
A: Psyshotic disorder
Answer: A: Psyshotic disorder 
Explanation: Altered behavior with hallucination & delusion is seen in Psychosis.
These symptoms occur in schizophrenia, but do not confirm the diagnosis of schizophrenia (option b).