<prompt> Ramu, a 22 year old single unmarried man is suffering from the sudden onset of 3rd person hallucination for the past 2 weeks. He is suspicious of his family members and had decreased sleep and appetite. The diagnosis is -SchizophreniaAcute PsychosisAcute maniaAcute delirium  <response>: This patient has :-Third person hallucinationsDelusions of persecution suspicious about family membersNegative symptoms decreased sleep appetiteMore than 2 characteristic criteria are present. However the symptoms are present only for 2 weeks :-Typical symptoms of schizophrenia for 6 months schizophrenia.Typical symptoms of schizophrenia for 1-6 months schizophreniform disorders.Typical symptoms of schizophrenia for less than 1 months Acute schizophrenia-like psychotic disorder brief psychotic disorder. 