A 55-year-old male was picked up by police in the public library for harassing the patrons and for public nudity. He displayed disorganized speech and believed that the books were the only way to his salvation. Identification was found on the man and his sister was called to provide more information. She described that he recently lost his house and got divorced within the same week although he seemed fine three days ago. The man was sedated with diazepam and chlorpromazine because he was very agitated. His labs returned normal and within three days, he appeared normal, had no recollection of the past several days, and discussed in detail how stressful the past two weeks of his life were. He was discharged the next day. Which of the following is the most appropriate diagnosis for this male?
ABrief psychotic disorder
BSchizotypal personality disorder
CSchizophreniform disorder
DSchizophrenia
ESchizoid personality disorder
A 29-year-old woman is brought to the physician by her father because of a change in her behavior over the past 8 months. The father says that his daughter has become increasingly withdrawn; she has not answered any phone calls or visited her family and friends. The patient says that she has to stay at home because a foreign intelligence service is monitoring her. She thinks that they are using a magnetic field to read her mind. Mental status exam shows disjointed and perseverative thinking. She is anxious and has a flat affect. Which of the following is the most likely diagnosis?
ADelusional disorder
BSchizophrenia
CParanoid personality disorder
DSchizophreniform disorder
ESchizoid personality disorder
A 26-year-old man is brought to the emergency department by his wife because of bizarre and agitated behavior for the last 6 weeks. He thinks that the NSA is spying on him and controlling his mind. His wife reports that the patient has become withdrawn and at times depressed for the past 3 months. He lost his job because he stopped going to work 4 weeks ago. Since then, he has been working on an invention that will block people from being able to control his mind. Physical and neurologic examinations show no abnormalities. On mental status examination, he is confused and suspicious with marked psychomotor agitation. His speech is disorganized and his affect is labile. Which of the following is the most likely diagnosis?
ABrief psychotic disorder
BSchizophreniform disorder
CSchizotypal personality disorder
DSchizophrenia
EDelusional disorder
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