Miscellaneous
QUESTIONS
1. The prevalence of personality disorders in the general population is:
A. 20%
B. 1%
C. 5% to 10%
D. 20% to 40%
E. 30 % to 60%
View Answer
1. Answer: C. The prevalence of personality disorders in the general population is 5% to 10%. It is higher in psychiatric outpatients (20% to 40%) and very common in psychiatric inpatients (30% to 60%).
2. What is the most common defense mechanism in patients with paranoid personality disorders?
A. Regression
B. Suppression
C. Denial
D. Projection
E. Reaction formation
View Answer
2. Answer: D. Projection is the most common defense mechanism associated with paranoid personality disorder.
3. According to the Diagnostic and Statistical Manual of Mental Disorders, 4th edition (DSM-IV), violent behavior is a characteristic feature of all of the following disorders except:
A. paranoid personality disorder
B. borderline personality disorder
C. antisocial personality disorder
D. intermittent explosive disorder
E. conduct disorder
View Answer
3. Answer: A. Violent behavior is not a characteristic feature of paranoid personality disorder.
4. All of the following are known to increase the risk of antisocial behavior except:
A. substance abuse
B. family history of alcoholism
C. adoption
D. childhood abuse
E. easy access to guns
View Answer
4. Answer: C. There is no increased prevalence of antisocial behavior in adopted children. Apart from the risk factors mentioned, poverty, lack of education, and absence of family contributes to antisocial behavior.
5. A 26-year-old female presents to the emergency department (ED) with superficial scratches on her left forearm. While in the ED, she gets into an argument with the nurse and swears at her. When the doctor comes to see her, however, she becomes very pleasant and tells him that he is the best doctor she has ever seen. The ED physician feels very good about this but suspects the patient has borderline personality traits. All of the following defense mechanisms are commonly seen in patients with borderline personality disorder except:
A. idealization and devaluation
B. projection
C. projective identification
D. acting out
E. reaction formation
View Answer
5. Answer: E. Reaction formation is often seen in individuals with obsessive-compulsive personality rather than borderline personality. Acting out, splitting, and denial are other defense mechanisms seen in patients with borderline personality disorder.
6. All of the following defense mechanisms are commonly seen in individuals with obsessive-compulsive personality disorders except:
A. reaction formation
B. undoing
C. isolation of affect
D. projection
E. rationalization
View Answer
6. Answer: D. Projection and projective identification are often seen in patients with borderline personality disorder. Other typical defense mechanisms seen in individuals with obsessive-compulsive personality disorders are intellectualization and displacement.
7. Which of the following conditions can cause catatonia?
A. Viral encephalitis
B. Head injury
C. Cerebrovascular disorders
D. Brain tumors
E. All of the above
8. All of the following are features of Huntington’s disease except:
A. autosomal recessive
B. abnormality on chromosome 4
C. dementia
D. chorea
E. anticipation
View Answer
8. Answer: A. Huntington’s disease is an autosomal dominant disorder with trinucleotide repeat abnormality on chromosome 4. It is characterized by dementia and chorea. Anticipation is a genetic concept wherein the disorder appears at a younger age, and the symptoms become more severe in successive generations.
9. What is the trinucleotide repeat sequence characteristic of Huntington’s disease?
A. CAG
B. AAG
C. CCG
D. GCC
E. ACC
View Answer
![](https://freepngimg.com/download/social_media/63059-media-icons-telegram-twitter-blog-computer-social.png)
9. Answer: A. The genetic defect responsible for Huntington’s disease is a small sequence of DNA on chromosome 4 in which the trinucleotide sequence CAG repeats many times.
![](https://freepngimg.com/download/social_media/63059-media-icons-telegram-twitter-blog-computer-social.png)
Stay updated, free articles. Join our Telegram channel
![](https://clinicalpub.com/wp-content/uploads/2023/09/256.png)
Full access? Get Clinical Tree
![](https://videdental.com/wp-content/uploads/2023/09/appstore.png)
![](https://videdental.com/wp-content/uploads/2023/09/google-play.png)
![](https://clinicalpub.com/wp-content/uploads/2023/09/banner1.png)