Psychiatry Quiz #11: Schizophrenia Spectrum Disorders

1. A 21-year-old college student is brought to the psychiatrist by his parents due to his increasing social withdrawal and declining academic performance over the past 8 months. He often locks himself in his room, claiming he needs to protect himself from "mind readers" who want to steal his thoughts. He has also been heard talking to himself. He has no history of substance abuse. Which of the following is the most likely diagnosis? 

Question 1 of 5

2. A 19-year-old woman presents to the clinic with her parents who report that she has been increasingly isolating herself and expressing beliefs that she is being followed by government agents. She also believes that she has special powers to influence world events. These symptoms have been present for 3 weeks. What is the most likely diagnosis? 

Question 2 of 5

3. A 25-year-old man is evaluated for a 2-year history of odd behaviors and eccentric beliefs, including a belief in telepathy and bizarre fantasies. He has few friends and often interacts awkwardly in social situations. Despite his odd beliefs, he is not delusional and does not experience hallucinations. Which of the following is the most likely diagnosis? 

Question 3 of 5

4. During a psychiatric evaluation, a 30-year-old man describes experiencing persistent voices that criticize him and command him to harm himself. He also reports a history of multiple episodes of major depression but denies any periods of mania or hypomania. His psychotic symptoms persist even in the absence of mood disturbances. Which of the following is the most appropriate diagnosis? 

Question 4 of 5

5. A 40-year-old man with a long-standing diagnosis of schizophrenia is noted to have marked social withdrawal, limited speech, and apathy. Despite several changes in antipsychotic medication, these symptoms have persisted. These symptoms are best categorized as which of the following? 

Question 5 of 5


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