Personality Disorders — MCQs

Personality Disorders Indian Medical PG Practice Questions and MCQs

Question 31: Which behavioral therapy approach is most effective for phobias?

A. Exposure and response prevention followed by flooding
B. Systemic desensitization followed by exposure and response prevention
C. Exposure and response prevention followed by systemic desensitization (Correct Answer)
D. Flooding followed by systemic desensitization

Explanation: **Explanation:** The management of phobias and anxiety disorders primarily relies on behavioral therapies based on the principles of **classical conditioning**. **Why Option C is Correct:** The gold standard for treating phobias involves a structured progression. **Exposure and Response Prevention (ERP)** is the core component where the patient is exposed to the feared stimulus but prevented from performing the usual avoidance or compulsive behaviors. This leads to **habituation**. Once the acute avoidance response is managed, **Systematic Desensitization** (developed by Joseph Wolpe) is employed. This involves pairing a relaxation response with a graded hierarchy of anxiety-provoking stimuli. This sequence ensures the patient first breaks the cycle of avoidance before long-term counter-conditioning occurs. **Why Other Options are Incorrect:** * **Option A & D:** **Flooding** involves immediate, intense exposure to the most feared stimulus without a gradual approach. While effective, it is often poorly tolerated by patients and carries a high risk of psychological trauma or worsening the phobia if the patient escapes the session prematurely. It is rarely the first choice over graded methods. * **Option B:** While Systematic Desensitization is effective, modern clinical protocols prioritize ERP as the foundational step to extinguish the avoidance reflex before focusing on the relaxation-based desensitization hierarchy. **High-Yield Clinical Pearls for NEET-PG:** * **Systematic Desensitization:** Based on **Reciprocal Inhibition** (one cannot be relaxed and anxious simultaneously). * **Drug of Choice (Specific Phobia):** Behavioral therapy is superior to pharmacotherapy. * **Drug of Choice (Social Phobia/Social Anxiety Disorder):** SSRIs (e.g., Paroxetine) or Beta-blockers (Propranolol) for performance anxiety. * **Agoraphobia:** Most commonly associated with Panic Disorder; treated with CBT and SSRIs.

Question 32: What is true about personality disorders?

A. They arise during childhood.
B. They mature during adulthood.
C. Suspiciousness is seen in paranoid personality disorder.
D. All of the above. (Correct Answer)

Explanation: Personality disorders are defined as enduring, pervasive, and inflexible patterns of inner experience and behavior that deviate markedly from cultural expectations. **Explanation of Options:** * **Option A (Arise during childhood):** While personality disorders are typically diagnosed in adulthood, their roots lie in childhood and adolescence. The maladaptive patterns of relating and perceiving begin to solidify during early developmental stages. * **Option B (Mature during adulthood):** By definition, personality disorders represent a stable state of being that reaches its full clinical manifestation in early adulthood. Unlike acute psychiatric illnesses, these are "state-independent" and persist throughout the individual's adult life. * **Option C (Suspiciousness in Paranoid PD):** This is a hallmark feature. Paranoid Personality Disorder (Cluster A) is characterized by pervasive distrust and suspiciousness of others, where motives are interpreted as malevolent without sufficient basis. Since all three statements accurately describe the nature and specific characteristics of personality disorders, **Option D** is the correct answer. **High-Yield Clinical Pearls for NEET-PG:** * **Clusters:** Remember the "3 Ws": Cluster A (**W**eird/Odd), Cluster B (**W**ild/Dramatic), Cluster C (**W**orried/Anxious). * **Ego-syntonic:** Unlike OCD (which is ego-dystonic), personality disorders are generally **ego-syntonic**, meaning the individual perceives their behavior as natural and correct. * **Diagnosis Age:** Generally not diagnosed before age 18. If symptoms are present in a child, it is usually classified as a Conduct Disorder. * **Most Common:** Borderline Personality Disorder is the most frequently studied and clinically encountered in psychiatric settings.

Question 33: Recurrent suicidal tendency, aberrant interpersonal relationship, and black and white phenomena are characteristic of which personality disorder?

A. Borderline personality (Correct Answer)
B. Schizotypal personality
C. Histrionic personality
D. Narcissistic personality

Explanation: ### Explanation The correct answer is **Borderline Personality Disorder (BPD)**. This condition is characterized by a pervasive pattern of instability in affect, self-image, and interpersonal relationships. **Why Borderline Personality is Correct:** 1. **Black and White Phenomena (Splitting):** This is a hallmark defense mechanism where the patient views people or situations as either "all good" or "all bad," with no middle ground. 2. **Aberrant Interpersonal Relationships:** Patients often experience intense, unstable relationships that fluctuate between idealization and devaluation. 3. **Recurrent Suicidal Tendency:** Self-harming behavior and recurrent suicidal gestures are diagnostic criteria (DSM-5) often used as a cry for help or to counteract feelings of emptiness. **Why Other Options are Incorrect:** * **Schizotypal Personality:** Characterized by "magical thinking," odd beliefs, and eccentric behavior, but lacks the emotional intensity and suicidal patterns of BPD. * **Histrionic Personality:** Features attention-seeking behavior and excessive emotionality. While they may be dramatic, they lack the chronic self-destructiveness and "splitting" seen in BPD. * **Narcissistic Personality:** Defined by grandiosity, a need for admiration, and a lack of empathy. They rarely exhibit the self-harming tendencies or emotional instability characteristic of BPD. **High-Yield Clinical Pearls for NEET-PG:** * **Treatment of Choice:** Dialectical Behavior Therapy (DBT) is the gold standard. * **Gender:** More commonly diagnosed in females. * **Key Defense Mechanism:** Splitting. * **Micro-psychotic episodes:** Under extreme stress, BPD patients may experience transient paranoid ideation or dissociative symptoms.

Question 34: Anorexia nervosa is an eating disorder characterized by all of the following EXCEPT:

A. Menorrhagia (Correct Answer)
B. Salivary gland enlargement
C. Acrocyanosis
D. Bradycardia

Explanation: **Explanation:** Anorexia Nervosa (AN) is a psychiatric disorder characterized by restricted energy intake, an intense fear of gaining weight, and a distorted body image. The physiological consequences of AN are primarily due to starvation and compensatory behaviors (like purging). **Why Option A is the Correct Answer:** **Menorrhagia** (heavy menstrual bleeding) is **not** seen in Anorexia Nervosa. Instead, the hallmark endocrine feature is **Amenorrhea** (absence of menstruation). This occurs due to functional hypothalamic-pituitary-gonadal axis suppression. Low body fat leads to decreased leptin levels, which inhibits the pulsatile release of GnRH, resulting in low levels of FSH and LH. **Analysis of Incorrect Options:** * **B. Salivary gland enlargement:** Often seen in the "Binge-eating/Purging" subtype of AN. Frequent self-induced vomiting causes compensatory hypertrophy of the parotid glands (Sialadenosis) due to autonomic stimulation. * **C. Acrocyanosis:** This refers to a painless, bluish discoloration of the extremities. In AN, it results from peripheral vasoconstriction as the body attempts to conserve core heat in a state of severe malnutrition and hypometabolism. * **D. Bradycardia:** Sinus bradycardia is a common cardiovascular finding in AN. It is a physiological adaptation to starvation aimed at reducing the basal metabolic rate and myocardial oxygen demand. **High-Yield Clinical Pearls for NEET-PG:** * **Lanugo hair:** Fine, downy hair growth on the back and arms (a sign of starvation). * **Russell’s Sign:** Calluses on the knuckles from self-induced vomiting. * **Electrolyte Imbalance:** Hypokalemic hypochloremic metabolic alkalosis is common in purging types. * **Refeeding Syndrome:** The most serious complication of treatment; characterized by severe **Hypophosphatemia**.

Question 35: Many patients with Antisocial Personality Disorder exhibit which of the following conditions?

A. Drug abuse
B. Paranoid schizophrenia
C. Obsessive-Compulsive Disorder
D. Somatic symptom disorder (Correct Answer)

Explanation: **Explanation:** The correct answer is **Somatic symptom disorder**. In psychiatric epidemiology, **Antisocial Personality Disorder (ASPD)** is frequently associated with specific comorbidities. While substance abuse is common, there is a well-documented clinical and genetic link between ASPD and **Somatic Symptom Disorder** (formerly Briquet’s syndrome). Research suggests these two conditions may share a common underlying etiology or genetic predisposition, often manifesting as ASPD in males and Somatic Symptom Disorder in females within the same families. Patients with ASPD often present with multiple vague physical complaints, seeking medical attention as part of their impulsive or manipulative behavior patterns. **Analysis of Incorrect Options:** * **Option A (Drug abuse):** While highly prevalent in ASPD, the question asks for a specific clinical association often tested in the context of "familial/genetic" links. In many standardized exams, the association with Somatization is considered a "classic" psychiatric correlation. * **Option B (Paranoid schizophrenia):** This is a psychotic disorder. While personality disorders can coexist with Axis I disorders, there is no specific pathognomonic link between ASPD and schizophrenia. * **Option C (Obsessive-Compulsive Disorder):** OCD is characterized by rigidity and anxiety, which is diametrically opposed to the impulsivity and lack of remorse seen in ASPD. **High-Yield Clinical Pearls for NEET-PG:** * **The "Gender Link":** ASPD is more common in men; Somatic Symptom Disorder is more common in women. They are often considered different phenotypic expressions of the same underlying genotype. * **Age Criteria:** To diagnose ASPD, the patient must be at least **18 years old** and have evidence of **Conduct Disorder** before age 15. * **Key Feature:** The hallmark of ASPD is a pervasive pattern of disregard for, and violation of, the rights of others.

Question 36: Which personality disorder shares features with autistic spectrum disorders?

A. Schizoid (Correct Answer)
B. Schizotypal
C. Borderline
D. All of the above

Explanation: **Explanation:** **Schizoid Personality Disorder (Option A)** is the correct answer because it shares a significant phenomenological overlap with **High-Functioning Autism (formerly Asperger’s Syndrome)**. Both conditions are characterized by profound social isolation, a preference for solitary activities, emotional coldness (blunted affect), and a lack of interest in developing close relationships. In clinical practice, the "negative symptoms" of social detachment in Schizoid PD often mimic the social communication deficits seen in the Autistic Spectrum. **Why other options are incorrect:** * **Schizotypal (Option B):** While also in Cluster A, Schizotypal PD is characterized by "positive" psychotic-like features such as magical thinking, ideas of reference, and eccentric behavior. While social anxiety is present, the core feature is cognitive/perceptual distortion rather than the simple social deficit seen in Autism. * **Borderline (Option C):** This is a Cluster B disorder defined by emotional instability, impulsivity, and intense, unstable relationships. This "emotional turbulence" is the opposite of the social withdrawal and emotional detachment seen in Schizoid PD or Autism. **High-Yield Clinical Pearls for NEET-PG:** * **Schizoid vs. Avoidant:** Schizoid patients have **no desire** for relationships (ego-syntonic isolation), whereas Avoidant patients **desire** relationships but fear rejection (ego-dystonic isolation). * **The "Schizo" Spectrum:** Remember the progression of severity: Schizoid (detachment) → Schizotypal (eccentricity) → Schizophrenia (psychosis). * **Key Phrase:** If a clinical vignette describes a "loner" who is indifferent to praise or criticism and chooses solitary jobs (like a night watchman), always think **Schizoid**.

Question 37: What personality type is associated with schizophrenia?

A. Schizoid
B. Paranoid
C. Borderline
D. All of the above (Correct Answer)

Explanation: **Explanation:** The association between personality disorders and schizophrenia is primarily understood through the **Schizophrenia Spectrum** and the concept of **Premorbid Personality**. 1. **Schizoid Personality (Option A):** This is the most classically associated premorbid personality. Characterized by social withdrawal, emotional coldness, and a preference for solitary activities, it often represents a "prodromal" phase or a milder phenotypic expression of the genetic vulnerability to schizophrenia. 2. **Paranoid Personality (Option B):** Characterized by pervasive distrust and suspiciousness. Many patients who later develop Paranoid Schizophrenia exhibit these traits long before the onset of frank psychosis. 3. **Borderline Personality (Option C):** While traditionally placed in Cluster B, BPD is associated with "micro-psychotic episodes" and transient paranoid ideation. Longitudinal studies show a significant co-occurrence and increased risk of transitioning into psychotic disorders under severe stress. **Why "All of the Above" is Correct:** Schizophrenia is a heterogeneous disorder. While **Schizotypal PD** (not listed here but part of the spectrum) has the strongest genetic link, Schizoid and Paranoid personalities are the most common premorbid types. Additionally, Cluster B traits (like Borderline) frequently overlap in clinical presentations of Schizoaffective disorders. **High-Yield Clinical Pearls for NEET-PG:** * **Schizotypal PD:** Closest genetic relationship to schizophrenia; considered part of the "Schizophrenia Spectrum." * **Premorbid Personality:** Refers to the personality traits present *before* the onset of the formal psychiatric illness. * **Cluster A (Odd/Eccentric):** Includes Schizoid, Schizotypal, and Paranoid. These are the most frequent precursors to schizophrenia. * **Key Distinction:** Schizoid (avoids people because they don't care for social interaction) vs. Avoidant (avoids people because they fear rejection).

Question 38: Which of the following is part of the treatment for Obsessive-Compulsive Disorder (OCD)?

A. Monoamine oxidase inhibitor
B. Exposure and response prevention (Correct Answer)
C. Diazepam
D. Psychosurgery

Explanation: **Explanation:** The management of **Obsessive-Compulsive Disorder (OCD)** involves a combination of pharmacotherapy and specialized psychotherapy. **Why Option B is Correct:** **Exposure and Response Prevention (ERP)** is the gold-standard behavioral therapy for OCD. It involves exposing the patient to the anxiety-provoking stimulus (Exposure) and preventing the subsequent ritualistic behavior (Response Prevention). This leads to **habituation**, where the patient learns that the anxiety decreases over time even without performing the compulsion. **Analysis of Incorrect Options:** * **Option A (MAOIs):** While antidepressants are used in OCD, the first-line pharmacological treatment is **Selective Serotonin Reuptake Inhibitors (SSRIs)** in high doses (e.g., Fluoxetine, Fluvoxamine). MAOIs are generally reserved for treatment-resistant cases or specific comorbidities. * **Option C (Diazepam):** Benzodiazepines like Diazepam may provide temporary relief from acute anxiety but do not treat the core symptoms of OCD and carry a risk of dependence. * **Option D (Psychosurgery):** This is considered a **last resort** for severe, chronic, and treatment-refractory OCD. Procedures include Cingulotomy or Capsulotomy. **High-Yield Clinical Pearls for NEET-PG:** * **First-line Drug:** SSRIs (Fluoxetine, Sertraline, Paroxetine, Fluvoxamine). * **Most effective TCA:** **Clomipramine** (highly serotonin-selective), often used if SSRIs fail. * **Y-BOCS Scale:** The Yale-Brown Obsessive Compulsive Scale is used to assess the severity of symptoms. * **PANDAS:** Consider Pediatric Autoimmune Neuropsychiatric Disorders Associated with Streptococcal infections in sudden-onset childhood OCD.

Question 39: What is the other name for anankastic personality disorder?

A. Obsessive-compulsive personality disorder (Correct Answer)
B. Paranoid personality disorder
C. Histrionic personality disorder
D. Schizotypal personality disorder

Explanation: **Explanation:** **Anankastic personality disorder** is the term used in the **ICD-10/ICD-11** classification systems to describe what the **DSM-5** refers to as **Obsessive-Compulsive Personality Disorder (OCPD)**. The name is derived from the Greek word *ananke*, meaning "compulsion" or "necessity." 1. **Why Option A is Correct:** OCPD (Anankastic PD) is characterized by a pervasive pattern of preoccupation with orderliness, perfectionism, and mental and interpersonal control, at the expense of flexibility and efficiency. Key features include an obsession with rules/lists, "workaholism," and rigidity. Crucially, unlike OCD (the anxiety disorder), OCPD is **ego-syntonic**—the individual believes their way of doing things is correct and ideal. 2. **Why Other Options are Incorrect:** * **Paranoid PD (Cluster A):** Characterized by pervasive distrust and suspiciousness of others; motives are interpreted as malevolent. * **Histrionic PD (Cluster B):** Characterized by excessive emotionality and attention-seeking behavior. * **Schizotypal PD (Cluster A):** Characterized by acute discomfort in close relationships, cognitive or perceptual distortions, and eccentricities of behavior (e.g., "magical thinking"). **High-Yield Clinical Pearls for NEET-PG:** * **OCD vs. OCPD:** OCD is ego-dystonic (distressing to the patient), while OCPD is ego-syntonic (perceived as a virtue). * **The "Rule of 4 Ps":** OCPD involves a preoccupation with **P**erfectionism, **P**unctuality, **P**arsimony (stinginess), and **P**recision. * **Mnemonic:** Remember **"Anankastic = Anchor"**—these individuals are "anchored" to their rigid rules and routines.

Question 40: All of the following are impulse control disorders, EXCEPT?

A. Pyromania
B. Kleptomania
C. Trichotillomania
D. Capgras syndrome (Correct Answer)

Explanation: **Explanation:** The correct answer is **Capgras syndrome** because it is a **delusional misidentification syndrome**, not an impulse control disorder. **1. Why Capgras Syndrome is the Correct Answer:** Capgras syndrome is a psychotic phenomenon where a patient holds a delusional belief that a person close to them (usually a spouse or relative) has been replaced by an identical-looking impostor. It is commonly associated with schizophrenia, dementia, or right-sided brain lesions. Since it is a disorder of **thought content (delusion)**, it does not fall under the category of impulse control disorders. **2. Analysis of Incorrect Options (Impulse Control Disorders):** Impulse control disorders are characterized by the failure to resist an urge or temptation to perform an act that is harmful to oneself or others, often preceded by rising tension and followed by a sense of relief. * **Pyromania (A):** The deliberate and purposeful setting of fires on more than one occasion. * **Kleptomania (B):** The recurrent failure to resist impulses to steal objects that are not needed for personal use or monetary value. * **Trichotillomania (C):** The recurrent pulling out of one's own hair. While classified under "Obsessive-Compulsive and Related Disorders" in DSM-5, it remains a classic example of impulsive behavior in competitive exams. **High-Yield Clinical Pearls for NEET-PG:** * **Fregoli Syndrome:** The opposite of Capgras; the belief that different people are actually a single person in disguise. * **Intermittent Explosive Disorder (IED):** Another high-yield impulse control disorder involving discrete episodes of failure to resist aggressive impulses. * **Pathological Gambling:** Now classified under "Substance-Related and Addictive Disorders" in DSM-5, but often grouped with impulse control in older MCQ formats.

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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