Personality Disorders — MCQs

Personality Disorders Indian Medical PG Practice Questions and MCQs

Question 81: A 20-year-old man is found in a city far from his hometown, working in a factory. He is unable to recall his past life. What is the most likely diagnosis?

A. Post-traumatic stress disorder
B. Body dysmorphic disorder
C. Dissociative fugue (Correct Answer)
D. Dissociative identity disorder

Explanation: ### Explanation **Correct Option: C. Dissociative Fugue** The clinical presentation describes a classic case of **Dissociative Fugue**. This condition is characterized by sudden, unexpected travel away from home or one's customary place of work, accompanied by an inability to recall one's past and confusion about personal identity or the assumption of a new identity. The patient often appears "normal" to others during the fugue state and may take up simple occupations (like working in a factory) in a new location. **Why other options are incorrect:** * **A. Post-traumatic stress disorder (PTSD):** While PTSD involves trauma, it is characterized by intrusive memories (flashbacks), avoidance, and hyperarousal, not a total loss of identity or wandering to a new city. * **B. Body dysmorphic disorder:** This is an obsessive-compulsive related disorder where the patient is preoccupied with perceived flaws in physical appearance that are not observable to others. * **D. Dissociative identity disorder (DID):** Formerly known as Multiple Personality Disorder, DID involves the presence of two or more distinct personality states that take control of behavior. While it involves amnesia, it does not typically present as a single, purposeful journey to a new location with a complete loss of the original identity. **High-Yield Clinical Pearls for NEET-PG:** * **Trigger:** Dissociative fugue is usually precipitated by severe psychosocial stress (e.g., marital conflict, financial ruin, or wartime trauma). * **ICD-10 vs. DSM-5:** In **DSM-5**, Dissociative Fugue is no longer a separate diagnosis; it is now classified as a **specifier under Dissociative Amnesia**. * **Recovery:** Recovery is usually rapid and spontaneous; however, once the fugue ends, the patient may have amnesia for the events that occurred *during* the fugue state. * **Differential:** Always rule out organic causes like Temporal Lobe Epilepsy or substance-induced blackouts.

Question 82: Which personality disorder is most commonly associated with bipolar disorder?

A. Antisocial personality disorder
B. Anankastic personality disorder
C. Borderline personality disorder
D. Narcissistic personality disorder (Correct Answer)

Explanation: **Explanation:** **Correct Option: D. Narcissistic Personality Disorder (NPD)** The association between Bipolar Disorder (BD) and Narcissistic Personality Disorder is well-documented in clinical psychiatry. The underlying medical concept lies in the **phenomenological overlap** between the two. During manic or hypomanic episodes, patients exhibit grandiosity, inflated self-esteem, and a lack of empathy—core traits of NPD. Research indicates that NPD is the most prevalent comorbid personality disorder in patients with Bipolar I disorder, often complicating the diagnosis as "stable" narcissistic traits may be mistaken for chronic hypomania. **Analysis of Incorrect Options:** * **A. Antisocial Personality Disorder:** While associated with substance abuse and impulsivity seen in BD, it is not the most common. It is more frequently linked with externalizing behaviors and conduct disorders. * **B. Anankastic (Obsessive-Compulsive) Personality Disorder:** This is more commonly associated with **Depressive Disorders** and Anxiety Disorders rather than Bipolar Disorder. * **C. Borderline Personality Disorder (BPD):** BPD is a frequent differential diagnosis for Bipolar II due to mood lability. However, statistically, in longitudinal studies and standardized diagnostic criteria (like DSM-5), the specific trait of grandiosity makes NPD the more frequent comorbid association with the Bipolar spectrum. **Clinical Pearls for NEET-PG:** * **Most common PD in Bipolar Disorder:** Narcissistic PD. * **Most common PD in Depressive Disorders:** Avoidant and Dependent PD. * **Differential Diagnosis:** Always rule out Bipolar Disorder before diagnosing NPD, as grandiosity in BD is episodic, whereas in NPD, it is a pervasive, lifelong pattern. * **Treatment Note:** Comorbid PDs in Bipolar patients usually predict a poorer prognosis, higher rates of suicide attempts, and lower treatment compliance.

Question 83: Which of the following is not considered a personality trait?

A. Extroversion
B. Problem solving (Correct Answer)
C. Openness to experience
D. Neuroticism

Explanation: ### Explanation The core of this question lies in distinguishing between **personality traits** and **cognitive skills**. **Why "Problem Solving" is the correct answer:** Problem solving is a **cognitive ability or skill**, not a personality trait. It refers to the mental process of finding solutions to difficult or complex issues. While personality traits can influence *how* a person approaches a problem, the capacity to solve it is categorized under intelligence and executive functioning. **Analysis of Incorrect Options (The Big Five Model):** The other three options are core components of the **Five-Factor Model (OCEAN)**, which is the most widely accepted psychological framework for defining personality: * **Extroversion (Option A):** Characterized by excitability, sociability, talkativeness, and emotional expressiveness. * **Openness to experience (Option C):** Features characteristics such as imagination, insight, and a broad range of interests. * **Neuroticism (Option D):** A trait characterized by sadness, moodiness, and emotional instability. Individuals high in this trait tend to experience mood swings, anxiety, and irritability. *(Note: The remaining two traits of the Big Five are **Agreeableness** and **Conscientiousness**).* **High-Yield Clinical Pearls for NEET-PG:** * **Definition:** A personality trait is an enduring, repetitive pattern of perceiving, relating to, and thinking about the environment and oneself. * **Personality Disorder (PD):** Diagnosed only when these traits become **inflexible, maladaptive, and cause significant functional impairment**. * **Age Factor:** Personality disorders are generally not diagnosed before the age of **18 years**, as personality is still developing during adolescence. * **Classification:** Remember the Clusters: * **Cluster A (Odd/Eccentric):** Paranoid, Schizoid, Schizotypal. * **Cluster B (Dramatic/Erratic):** Antisocial, Borderline, Histrionic, Narcissistic. * **Cluster C (Anxious/Fearful):** Avoidant, Dependent, Obsessive-Compulsive.

Question 84: What is the most common reason that psychotherapy for personality disorders is so difficult to carry out successfully?

A. The traits are often ego-dystonic
B. The patients are usually too sick to use psychotherapy
C. These disorders respond better to medication than to psychotherapy
D. The patients often see the source of their problems in others, not themselves. (Correct Answer)

Explanation: ### Explanation The core difficulty in treating personality disorders (PDs) lies in the concept of **Ego-syntonicity**. Unlike patients with anxiety or depression who recognize their symptoms as distressing and "foreign" (ego-dystonic), individuals with personality disorders perceive their maladaptive traits as natural, appropriate, and integral to their identity. **1. Why Option D is Correct:** Because their traits are ego-syntonic, patients rarely believe they are the problem. Instead, they utilize **alloplastic defenses**, meaning they attempt to change the external environment or other people rather than adapting themselves. When difficulties arise in relationships or work, they externalize the blame. Without the internal realization that their own patterns are the source of distress (lack of insight), there is little motivation to engage in the self-reflection required for successful psychotherapy. **2. Why the Other Options are Incorrect:** * **Option A:** This is the opposite of the truth. PD traits are **ego-syntonic**. If they were ego-dystonic, patients would be more motivated to change. * **Option B:** "Too sick" usually refers to psychosis or severe cognitive impairment. Most PD patients are high-functioning enough for therapy; the barrier is resistance and lack of insight, not cognitive capacity. * **Option C:** Psychotherapy (e.g., Dialectical Behavior Therapy for Borderline PD) is actually the **first-line treatment** for most personality disorders. Medications are only used as adjuncts to treat comorbid symptoms like impulsivity or mood instability. ### High-Yield Clinical Pearls for NEET-PG: * **Ego-syntonic:** Symptoms are perceived as "part of me" (seen in PDs and Anorexia Nervosa). * **Ego-dystonic:** Symptoms are perceived as "not part of me" and cause internal distress (seen in OCD and most Anxiety disorders). * **Alloplastic Adaptation:** Trying to change the environment to suit one's needs (typical of PDs). * **Autoplastic Adaptation:** Changing one's own internal state or behavior to adapt (typical of neuroses).

Question 85: A woman has had multiple relationships and breakups in the last six months and has attempted suicide multiple times. What is the most likely diagnosis?

A. Borderline personality disorder (Correct Answer)
B. Post-traumatic stress disorder
C. Major depressive disorder
D. Panic disorder

Explanation: **Explanation:** The clinical presentation of unstable interpersonal relationships and recurrent suicidal behavior is a classic hallmark of **Borderline Personality Disorder (BPD)**. **Why Borderline Personality Disorder is correct:** BPD (Cluster B) is characterized by a pervasive pattern of instability in emotions, self-image, and relationships. According to DSM-5 criteria, these patients often experience "intense and unstable relationships" (the "love-hate" or splitting phenomenon) and "recurrent suicidal behavior, gestures, or threats, or self-mutilating behavior." The rapid succession of multiple breakups and suicide attempts in this scenario points directly toward the emotional dysregulation and impulsivity central to BPD. **Why the other options are incorrect:** * **Post-traumatic stress disorder (PTSD):** While PTSD can involve emotional distress, it requires a history of a traumatic event and is characterized by intrusive memories (flashbacks), avoidance, and hyperarousal, rather than a primary pattern of relationship instability. * **Major depressive disorder (MDD):** Although MDD involves suicidal ideation, it is characterized by persistent low mood, anhedonia, and vegetative symptoms for at least two weeks. It does not inherently explain the pattern of multiple chaotic relationships. * **Panic disorder:** This is an anxiety disorder characterized by recurrent, unexpected panic attacks and worry about future attacks; it does not typically present with relationship instability or recurrent suicide attempts. **High-Yield Clinical Pearls for NEET-PG:** * **Defense Mechanism:** The most characteristic defense mechanism in BPD is **Splitting** (viewing people as "all good" or "all bad"). * **Treatment of Choice:** **Dialectical Behavior Therapy (DBT)** is the gold standard psychotherapy for BPD. * **Pharmacotherapy:** Mood stabilizers (e.g., Valproate) or low-dose antipsychotics may be used for symptom management, but there is no FDA-approved drug specifically for BPD. * **Micro-psychotic episodes:** Under extreme stress, BPD patients may experience transient paranoid ideation or dissociative symptoms.

Question 86: What is the most effective treatment for borderline personality disorder?

A. Pharmacotherapy
B. Behavioral therapy (Correct Answer)
C. Combination of pharmacotherapy and behavioral therapy
D. None of the above

Explanation: **Explanation:** **Borderline Personality Disorder (BPD)** is characterized by a pervasive pattern of instability in interpersonal relationships, self-image, and affect, alongside marked impulsivity. **Why Behavioral Therapy is Correct:** Psychotherapy is the **gold standard** and first-line treatment for BPD. Specifically, **Dialectical Behavior Therapy (DBT)**, a specialized form of cognitive-behavioral therapy developed by Marsha Linehan, is considered the most effective evidence-based treatment. It focuses on mindfulness, distress tolerance, emotional regulation, and interpersonal effectiveness. Other effective modalities include Mentalization-Based Treatment (MBT) and Schema-focused therapy. **Why Other Options are Incorrect:** * **Pharmacotherapy (Option A):** There are no FDA-approved medications specifically for BPD. While drugs (like SSRIs or mood stabilizers) are used to manage comorbid symptoms like depression or aggression, they do not treat the core personality pathology. * **Combination Therapy (Option C):** While often used in clinical practice to manage comorbidities, large-scale studies show that adding medication does not significantly improve the core symptoms of BPD compared to psychotherapy alone. Therefore, behavioral therapy remains the primary definitive treatment. **High-Yield Clinical Pearls for NEET-PG:** * **Defense Mechanism:** The hallmark defense mechanism in BPD is **"Splitting"** (viewing people as all good or all bad). * **Micropsychotic Episodes:** Patients may experience transient, stress-related paranoid ideation or severe dissociative symptoms. * **Self-Harm:** Recurrent suicidal behavior, gestures, or self-mutilating behavior (e.g., cutting) is a key diagnostic criterion. * **Prognosis:** Contrary to old beliefs, BPD has a good prognosis with specialized psychotherapy, with high rates of symptomatic remission over time.

Question 87: Which of the following is NOT a Cluster C personality disorder?

A. Anankastic
B. Anxious
C. Schizotypal (Correct Answer)
D. Dependent

Explanation: **Explanation:** Personality disorders in the DSM-5 are categorized into three clusters based on shared descriptive characteristics. **Cluster C** is known as the **"Anxious or Fearful"** cluster. **Why Schizotypal is the Correct Answer:** **Schizotypal Personality Disorder** belongs to **Cluster A** (the "Odd or Eccentric" cluster), which also includes Paranoid and Schizoid personality disorders. It is characterized by pervasive patterns of social deficits, reduced capacity for close relationships, cognitive or perceptual distortions, and eccentricities of behavior (e.g., magical thinking, ideas of reference). **Analysis of Incorrect Options (Cluster C Disorders):** * **Anankastic (Option A):** Also known as **Obsessive-Compulsive Personality Disorder (OCPD)**. It is characterized by a preoccupation with orderliness, perfectionism, and control at the expense of flexibility. * **Anxious (Option B):** Also known as **Avoidant Personality Disorder**. It involves extreme social inhibition, feelings of inadequacy, and hypersensitivity to negative evaluation. * **Dependent (Option D):** Characterized by an excessive need to be taken care of, leading to submissive and clinging behavior and fear of separation. **High-Yield NEET-PG Pearls:** * **Cluster A (Odd/Eccentric):** Paranoid, Schizoid, Schizotypal. (Mnemonic: **PSS**) * **Cluster B (Dramatic/Erratic):** Antisocial, Borderline, Histrionic, Narcissistic. (Mnemonic: **ABHN**) * **Cluster C (Anxious/Fearful):** Avoidant, Dependent, Obsessive-Compulsive. (Mnemonic: **ADO**) * **Key Distinction:** Schizoid involves social withdrawal by *choice* (indifference), whereas Avoidant involves withdrawal due to *fear* of rejection. * **Genetic Link:** Schizotypal personality disorder has the strongest genetic association with Schizophrenia.

Question 88: An 18-year-old male presents with a flat affect and odd behaviour. What is the most likely diagnosis?

A. Hysteria
B. Schizophrenia
C. Depression
D. Schizoid personality disorder (Correct Answer)

Explanation: ### Explanation The correct answer is **Schizoid Personality Disorder (D)**. **1. Why Schizoid Personality Disorder is correct:** In the context of NEET-PG, the combination of **flat affect** (emotional coldness/detachment) and **odd behavior** in a young patient without active psychotic symptoms (like hallucinations or delusions) points toward a Cluster A personality disorder. Schizoid personality is characterized by a lifelong pattern of social withdrawal, a preference for solitary activities, and a restricted range of emotional expression. These individuals are often described as "loners" who neither desire nor enjoy close relationships. **2. Why the other options are incorrect:** * **Hysteria (Dissociative/Conversion Disorder):** Typically presents with dramatic, attention-seeking behavior or neurological symptoms (like paralysis or seizures) without an organic cause. It is characterized by emotional volatility, not a flat affect. * **Schizophrenia:** While it features flat affect and odd behavior, it requires the presence of "positive symptoms" (delusions, hallucinations, or disorganized speech) and a significant decline in functioning over a specific duration (6 months in DSM-5). Without these, a personality disorder is more likely. * **Depression:** While depression can cause a blunted affect (anhedonia), it is usually accompanied by low mood, sleep/appetite disturbances, and feelings of guilt or hopelessness, rather than a baseline "odd" personality. **3. High-Yield Clinical Pearls for NEET-PG:** * **Cluster A (Odd/Eccentric):** Includes Schizoid (loner, detached), Schizotypal (magical thinking, odd beliefs), and Paranoid (suspicious). * **Schizoid vs. Avoidant:** Schizoid patients **do not desire** social interaction; Avoidant patients **desire** interaction but fear rejection. * **Schizoid vs. Schizotypal:** Schizotypal is "Schizoid + Magical Thinking/Eccentricity." * **Treatment:** Psychotherapy is the mainstay; pharmacotherapy is only used for comorbid conditions.

Question 89: Which of the following are true about the treatment of personality disorder?

A. Antipsychotic drugs are used. (Correct Answer)
B. SSRI is used in treatment.
C. Behavior therapy is used.
D. No treatment is needed.

Explanation: **Explanation:** Personality disorders (PDs) are characterized by enduring, inflexible patterns of behavior and inner experience. While psychotherapy is the mainstay of treatment, pharmacotherapy is frequently used to manage specific symptom clusters. **Why Option A is correct:** Low-dose **antipsychotics** (e.g., Haloperidol, Olanzapine, Risperidone) are evidence-based treatments for specific personality disorders. They are particularly effective in **Cluster A** (Paranoid, Schizoid, Schizotypal) for managing "micro-psychotic" episodes, cognitive-perceptual distortions, and eccentricities. In **Borderline Personality Disorder (BPD)**, they help control impulsivity, aggression, and transient paranoid ideation. **Analysis of other options:** * **Option B:** While SSRIs are used for comorbid depression or impulsivity (especially in BPD), the question asks for the "most true" or standard pharmacological intervention often highlighted in exams regarding symptom management of severe PD traits. *Note: In many clinical contexts, B is also technically correct, but A is a classic examiner favorite for Cluster A/B management.* * **Option C:** While "Behavior Therapy" is broad, the specific gold standard is **Dialectical Behavior Therapy (DBT)**. General behavior therapy alone is rarely the primary answer for PDs compared to specialized modalities like DBT or CBT. * **Option D:** This is incorrect. While PDs are difficult to treat, they require long-term management to reduce morbidity, self-harm risk, and social dysfunction. **High-Yield Clinical Pearls for NEET-PG:** * **Cluster A (Odd/Eccentric):** Responds best to low-dose antipsychotics. * **Cluster B (Dramatic/Erratic):** BPD is best treated with **Dialectical Behavior Therapy (DBT)**. Mood stabilizers (Valproate/Lithium) or SSRIs may be used for affective instability. * **Cluster C (Anxious/Fearful):** Responds best to SSRIs and Cognitive Behavioral Therapy (CBT). * **Avoidant PD:** Often treated similarly to Social Anxiety Disorder (SSRIs/Beta-blockers).

Question 90: Which of the following therapies is used in the treatment of Borderline Personality Disorder?

A. Modeling
B. Sensate focus therapy
C. Dialectical behavior therapy (Correct Answer)
D. Exposure and response prevention

Explanation: **Explanation:** **Dialectical Behavior Therapy (DBT)** is the gold-standard, evidence-based treatment for **Borderline Personality Disorder (BPD)**. Developed by Marsha Linehan, it is a specialized form of Cognitive Behavioral Therapy (CBT) that focuses on the "dialectic" between acceptance and change. It specifically targets the core features of BPD: emotional dysregulation, impulsivity, and self-harming behaviors. DBT utilizes four key modules: mindfulness, distress tolerance, interpersonal effectiveness, and emotion regulation. **Analysis of Incorrect Options:** * **A. Modeling:** This is a behavioral technique where a patient learns by observing and imitating others. While used in social skills training, it is not a primary or specific treatment for BPD. * **B. Sensate Focus Therapy:** Developed by Masters and Johnson, this is the mainstay treatment for **Sexual Dysfunctions** (e.g., erectile dysfunction, premature ejaculation). It focuses on non-genital touching to reduce performance anxiety. * **D. Exposure and Response Prevention (ERP):** This is the first-line behavioral therapy for **Obsessive-Compulsive Disorder (OCD)**. It involves exposing the patient to a trigger and preventing the subsequent compulsive ritual. **High-Yield Clinical Pearls for NEET-PG:** * **BPD Core Features:** "SPLITTING" (viewing people as all good or all bad), unstable relationships, and micro-psychotic episodes under stress. * **Pharmacotherapy in BPD:** No FDA-approved drug exists; medications (SSRIs or Mood Stabilizers) are used only for symptomatic relief of comorbid depression or aggression. * **Defense Mechanism:** The hallmark defense mechanism of BPD is **Splitting**. * **Cluster:** BPD belongs to **Cluster B** (Dramatic, Emotional, Erratic) personality disorders.

Practice by Chapter

Classification of Personality Disorders

Practice Questions

Cluster A Personality Disorders

Practice Questions

Cluster B Personality Disorders

Practice Questions

Cluster C Personality Disorders

Practice Questions

Borderline Personality Disorder

Practice Questions

Antisocial Personality Disorder

Practice Questions

Narcissistic Personality Disorder

Practice Questions

Psychotherapy for Personality Disorders

Practice Questions

Dialectical Behavior Therapy

Practice Questions

Mentalization-Based Therapy

Practice Questions

Pharmacological Approaches

Practice Questions

Outcome and Prognosis

Practice Questions

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