Schizophrenia

A 40-year-old patient with a 15-year history of schizophrenia is noted by his family to have become increasingly withdrawn, rarely initiates conversations, and speaks in very brief, unelaborated responses. He also shows little emotional expression and has lost interest in most activities. Which of the following negative symptoms is best described by his reduced speech output?

A 25-year-old male presents to the emergency department with his family, who report that he has been hearing voices telling him to harm himself for the past 8 months. He also exhibits disorganized speech and believes that government agencies are constantly monitoring him. According to Schneider's first-rank symptoms of schizophrenia, which of the following is a classic example?

A 30-year-old male diagnosed with schizophrenia is started on risperidone. After several weeks, he complains of bilateral breast tenderness and notices a milky discharge from his nipples. Which of the following pharmacological actions of risperidone is most likely responsible for this side effect?

A psychiatrist is evaluating a new patient diagnosed with schizophrenia and is considering factors that might predict a better long-term outcome. Which of the following factors is generally associated with a *better* prognosis in schizophrenia?

A 22-year-old female presents with delusions of grandeur, disorganized speech, and significant functional impairment for the past 4 months. She denies any history of depressive or manic episodes. Her symptoms began abruptly after a stressful life event. Based on the duration of her symptoms, what is the most appropriate diagnosis?