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 The father says that his daughter has become increasingly withdrawn; she has not answered any phone calls or visited her family and friends.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 woman thinks poorly of herself and is extremely sensitive to criticism. She is socially inhibited and has never had a romantic relationship, although she desires one. Which of the following is the most likely diagnosis?
ASchizoid personality disorder
BParanoid personality disorder
CDepression
DDysthymia
EAvoidant personality disorder
Two dizygotic twins present to the university clinic because they believe they are being poisoned through the school's cafeteria food. They have brought these concerns up in the past, but no other students or cafeteria staff support this belief. Both of them are average students with strong and weak subject areas as demonstrated by their course grade-books. They have no known medical conditions and are not known to abuse illicit substances. Which statement best describes the condition these patients have?
AA trial separation is likely to worsen symptoms.
BThe disorder is its own disease entity in DSM-5.
CAntipsychotic medications are rarely beneficial.
DCan affect two or more closely related individuals.
ECognitive behavioral therapy is a good first-line.
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