Assessment techniques for delusions — MCQs

A 23-year-old man presents to the emergency department with a chief complaint of being assaulted on the street. The patient claims that he has been followed by the government for quite some time and that he was assaulted by a government agent but was able to escape. He often hears voices telling him to hide. The patient has an unknown past medical history and admits to smoking marijuana frequently. On physical exam, the patient has no signs of trauma. When interviewing the patient, he is seen conversing with an external party that is not apparent to you. The patient states that he is afraid for his life and that agents are currently pursuing him. What is the best initial response to this patient’s statement?

A 35-year-old woman is brought to the inpatient psychiatric unit by the police after she was found violating the conditions of her restraining order by parking on the side street of her "lover’s" home every night for the past week. Her "lover", a famous hometown celebrity, has adamantly denied any relationship with the patient over the past 6 months. The patient insists that ever since he signed a copy of his album at a local signing, she knew they were in love. Despite him having his own wife and children, the patient insists that he is in love with her and goes to his house to meet in secret. Physical examination of the patient is unremarkable. Urine toxicology is negative. Which of the following statements best describes this patient’s condition?

A 24-year-old man is brought to your emergency department under arrest by the local police. The patient was found naked at a busy intersection jumping up and down on top of a car. Interviewing the patient, you discover that he has not slept in 2 days because he does not feel tired. He reports hearing voices. The patient was previously hospitalized 1 year ago with auditory hallucinations, paranoia, and a normal mood. What is the most likely diagnosis?

A 23-year-old man is brought to the emergency department by his girlfriend because of acute agitation and bizarre behavior. The girlfriend reports that, over the past 3 months, the patient has become withdrawn and stopped pursuing hobbies that he used to enjoy. One month ago, he lost his job because he stopped going to work. During this time, he has barely left his apartment because he believes that the FBI is spying on him and controlling his mind. He used to smoke marijuana occasionally in high school but quit 5 years ago. 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?

A 24-year-old woman is brought to the hospital by her mother because she has "not been herself" for the past 3 months. The patient says she hears voices in her head. The mother said that when she is talking to her daughter she can’t seem to make out what she is saying; it is as if her thoughts are disorganized. When talking with the patient, you notice a lack of energy and an apathetic affect. Which of the following is the most likely diagnosis for this patient?

A 28-year-old male presents to his primary care physician with complaints of intermittent abdominal pain and alternating bouts of constipation and diarrhea. His medical chart is not significant for any past medical problems or prior surgeries. He is not prescribed any current medications. Which of the following questions would be the most useful next question in eliciting further history from this patient?

A 16-year-old boy is brought in to a psychiatrist's office by his mother for increasingly concerning erratic behavior. Her son has recently entered a new relationship, and he constantly voices beliefs that his girlfriend is cheating on him. He ended his last relationship after voicing the same beliefs about his last partner. During the visit, the patient reports that these beliefs are justified, since everyone at school is “out to get him.” He says that even his teachers are against him, based on their criticism of his schoolwork. His mother adds that her son has always held grudges against people and has always taken comments very personally. The patient has no psychiatric history and is in otherwise good health. What condition is this patient genetically predisposed for?

Two days after undergoing hemicolectomy for colon cancer, a 78-year-old man is found agitated and confused in his room. He says that a burglar broke in. The patient points at one corner of the room and says “There he is, doctor!” Closer inspection reveals that the patient is pointing to his bathrobe, which is hanging on the wall. The patient has type 2 diabetes mellitus and arterial hypertension. Current medications include insulin and hydrochlorothiazide. His temperature is 36.9°C (98.4°F), pulse is 89/min, respirations are 15/min, and blood pressure is 145/98 mm Hg. Physical examination shows a nontender, nonerythematous midline abdominal wound. On mental status examination, the patient is agitated and oriented only to person. Which of the following best describes this patient's perception?

A 34-year-old man presents to the behavioral health clinic for an evaluation after seeing animal-shaped clouds in the form of dogs, cats, and monkeys. The patient says that these symptoms have been present for more than 2 weeks. Past medical history is significant for simple partial seizures for which he takes valproate, but he has not had his medication adjusted in several years. His vital signs include: blood pressure of 124/76 mm Hg, heart rate of 98/min, respiratory rate of 12/min, and temperature of 37.1°C (98.8°F). On physical examination, the patient is alert and oriented to person, time, and place. Affect is not constricted or flat. Speech is of rapid rate and high volume. Pupils are equal and reactive bilaterally. The results of a urine drug screen are as follows: Alcohol positive Amphetamine negative Benzodiazepine negative Cocaine positive GHB negative Ketamine negative LSD negative Marijuana negative Opioids negative PCP negative Which of the following is the most likely diagnosis in this patient?

A 23-year-old woman is brought to the physician by her father because of strange behavior for the past 6 months. The father reports that his daughter has increasingly isolated herself in college and received poor grades. She has told her father that aliens are trying to infiltrate her mind and that she has to continuously listen to the radio to monitor these activities. She appears anxious. Her vital signs are within normal limits. Physical examination shows no abnormalities. Neurologic examination shows no focal findings. Mental status examination shows psychomotor agitation. She says: “I can describe how the aliens chase me except for my car which is parked in the garage. You know, the sky is beautiful today. Why does my mother have a cat?” Which of the following best describes this patient's thought process?