Psychotic Disorders — MCQs

Psychotic Disorders Indian Medical PG Practice Questions and MCQs

Question 381: Which personality type is most commonly associated with schizophrenia?

A. Paranoid personality disorder
B. Schizotypal personality disorder (Correct Answer)
C. Schizoid personality disorder
D. None of the options

Explanation: ***Schizotypal personality disorder*** - This is the personality disorder **most commonly associated with schizophrenia** and is classified within the **schizophrenia spectrum** in DSM-5 and ICD-11. - Characterized by **cognitive-perceptual distortions** (odd beliefs, magical thinking, unusual perceptual experiences), **eccentric behavior**, and **interpersonal deficits** that represent attenuated forms of psychotic symptoms. - **Genetic studies** demonstrate shared familial vulnerability with schizophrenia, with higher prevalence among first-degree relatives of patients with schizophrenia. - Represents a **milder, chronic manifestation** of schizophrenia-like features without meeting full criteria for psychotic disorder. *Paranoid personality disorder* - Characterized by pervasive **distrust and suspiciousness** with interpretation of others' motives as malevolent. - While paranoid ideation can occur in both conditions, paranoid PD lacks the **odd beliefs, magical thinking**, and cognitive-perceptual distortions characteristic of the schizophrenia spectrum. - Less directly associated with schizophrenia compared to schizotypal PD. *Schizoid personality disorder* - Features **detachment from social relationships** and restricted emotional expression (negative symptom-like features). - Lacks the positive symptom-like features (odd beliefs, perceptual distortions) that link schizotypal PD to schizophrenia. - While in the DSM Cluster A (odd/eccentric), it has weaker genetic and phenomenological links to schizophrenia than schizotypal PD. *None of the options* - Incorrect, as schizotypal personality disorder is well-established in psychiatric literature as the personality disorder most closely associated with schizophrenia through genetic, phenomenological, and epidemiological evidence.

Question 382: Which of the following is NOT considered a formal thought disorder?

A. Loosening of association
B. Delusion
C. Mania (Correct Answer)
D. Schizophrenia

Explanation: ***Mania*** - While **mania** can involve disorganized thinking and speech, it is primarily classified as a **mood disorder**, characterized by elevated mood, increased energy, and decreased need for sleep. - The disorganized thought often present in mania is secondary to the rapid flow of ideas and flight of ideas, rather than a primary disruption in the logical connections between thoughts. - **Mania is NOT a formal thought disorder** - it is a mood state that may feature associated thought disturbances. *Delusion* - A **delusion** is a fixed, false belief that is not amenable to change in light of conflicting evidence. - **Important distinction:** Delusions are classified as **thought content disorders**, NOT formal thought disorders. - **Formal thought disorders** refer to disturbances in the *form/structure* of thinking (how thoughts connect), while **thought content disorders** refer to disturbances in the *content* of thinking (what is thought). - While delusions are thought disorders, they are specifically content-based, not formal/structural disorders. *Loosening of association* - **Loosening of association**, also known as **derailment**, refers to a disturbance in the logical progression of thought, where ideas shift from one subject to another without a clear connection. - This is a classic example of a **formal thought disorder**, as it reflects a disturbance in the *form* or structure of thought rather than its content. *Schizophrenia* - **Schizophrenia** is a diagnostic category for a severe mental disorder, not a formal thought disorder itself. - However, schizophrenia commonly features **formal thought disorders** as symptoms, including loosening of associations, tangentiality, and word salad. - The question asks about formal thought disorders as symptoms/phenomena, not diagnostic categories, making schizophrenia an inappropriate answer.

Question 383: What psychiatric disorder is characterized by delusions of infidelity towards a spouse?

A. Othello syndrome (Correct Answer)
B. Chronic alcohol use disorder
C. Stockholm syndrome (hostage bonding)
D. Clerambault's syndrome (erotomania)

Explanation: ***Othello syndrome*** - **Othello syndrome**, also known as **delusional jealousy**, is characterized by a **fixed, irrational belief** that one's partner is being unfaithful, despite a lack of evidence. - Individuals with this syndrome may engage in **excessive monitoring**, interrogations, and even violence to "prove" the infidelity. *Chronic alcohol use disorder* - While **chronic alcohol abuse** can sometimes contribute to paranoia or jealousy, it is not a psychiatric disorder primarily defined by **delusions of infidelity**. - Alcohol-related jealousy typically subsides with sobriety, unlike the persistent nature of Othello syndrome. *Stockholm syndrome (hostage bonding)* - **Stockholm syndrome** involves a psychological phenomenon where hostages develop a **psychological bond** with their captors during traumatic situations. - It is unrelated to delusions about a partner's infidelity. *Clerambault's syndrome (erotomania)* - **Clerambault's syndrome**, or **erotomania**, is a delusional disorder where an individual believes another person, often of higher status, is **madly in love with them**. - This is the opposite of delusional jealousy and involves a belief in being loved, not betrayed.

Question 384: Which type of persistent delusional disorder is characterized by the belief that one is being persecuted?

A. Delusion of persecution (Correct Answer)
B. Delusion of reference
C. Delusion of jealousy
D. Delusion of grandeur

Explanation: ***Delusion of persecution*** - This is a core feature of **persecutory delusional disorder**, where the individual firmly believes they are being harmed, harassed, or conspired against by others. - The belief is **fixed** and **unshakeable**, despite evidence to the contrary. *Delusion of reference* - This involves a false belief that ordinary events, objects, or people in the environment have a particular and unusual meaning specifically directed at oneself. - It differs from persecution in that the emphasis is on **personal significance** rather than active harm or conspiracy. *Delusion of jealousy* - Characterized by the **unfounded belief** that one's partner is being unfaithful, often leading to surveillance and confrontation. - This is a specific type of delusional disorder, but it does not primarily involve a global sense of being persecuted. *Delusion of grandeur* - This involves an exaggerated belief in one's own **importance, power, knowledge, or identity**. - It contrasts with persecution, where the individual feels threatened rather than inflated in self-perception.

Question 385: A patient who experiences itching in their amputated limb is an example of?

A. Illusion of sensation
B. False perception of reality
C. Seeing one's own body from a distance
D. Phantom limb sensation (Correct Answer)

Explanation: ***Phantom limb sensation*** - This is a common phenomenon where individuals who have undergone an amputation continue to feel sensations, such as **itching, tingling, pain, or movement**, in the missing limb. - It arises from the brain's continued **mapping and processing** of sensory information previously received from the amputated body part. *Illusion of sensation* - An illusion is a **misinterpretation of a real external sensory stimulus**, meaning there is an actual stimulus present, but it is perceived incorrectly. - In phantom limb sensation, there is **no external stimulus** to the amputated limb, only the internal experience of sensation. *False perception of reality* - This is a broad term that can encompass various perceptual disturbances, including **hallucinations** and **delusions**, where perceptions or beliefs are not based on reality. - While phantom limb sensation is a perception of something that isn't physically there, "false perception of reality" is **too general** and doesn't specify the unique nature of this post-amputation phenomenon. *Seeing one's own body from a distance* - This describes an **out-of-body experience**, a dissociative phenomenon where an individual feels like they are observing their physical body from a location outside of it. - It is distinct from phantom limb sensation, which specifically involves perceiving **sensations within a missing limb**, not observing the body from a detached perspective.

Question 386: Which of the following statements about pseudocyesis is NOT true?

A. The patients usually have an intense desire to have children
B. There may be considerable increase in the size of the abdomen
C. Change in the breast may be present
D. The labour pain invariably continue to persist even if she is told that she is not pregnant (Correct Answer)

Explanation: ***The labour pain invariably continue to persist even if she is told that she is not pregnant*** - Pseudocyesis is a psychological condition where a woman believes she is pregnant and exhibits many signs of pregnancy, but is not. While she may experience physical symptoms, the "labor pains" are psychogenic and **will typically cease when the patient is convinced she is not pregnant**, often with medical proof. - The persistence of labor-like pains despite medical confirmation of non-pregnancy is **not an invariable feature** and goes against the typical resolution of symptoms once the psychological delusion is broken. *The patients usually have an intense desire to have children* - This statement is **true**; women experiencing pseudocyesis often have a strong desire for children, sometimes influenced by a history of infertility, miscarriages, or cultural pressure to conceive. - The intense desire for pregnancy is a significant psychological component underlying the development of pseudocyesis, driving the somatic manifestation of pregnancy symptoms. *Change in the breast may be present* - This statement is **true**; women with pseudocyesis can exhibit various physical signs of pregnancy, including **breast changes** such as enlargement, tenderness, and even lactation (galactorrhea). - These physical changes are often hormonally mediated, influenced by the psychological state, leading to elevated prolactin levels. *There may be considerable increase in the size of the abdomen* - This statement is **true**; a prominent feature of pseudocyesis is **abdominal distension**, which can be quite significant and mimic a pregnant belly. - This abdominal enlargement is usually due to factors like **fat redistribution, lordosis, and retained feces or urine**, and importantly, not a growing fetus.

Question 387: Which of the following is not one of Eugene Bleuler's 4As?

A. Autism
B. Ambivalence
C. Affect
D. Anhedonia (Correct Answer)

Explanation: ***Anhedonia*** - **Anhedonia** is the inability to experience pleasure, often seen in major depressive disorder and schizophrenia, but it is not one of **Bleuler's original 4 As**. - **Bleuler's criteria** focused on fundamental symptoms of schizophrenia related to thought, feeling, and social interaction, not specifically the capacity for pleasure. *Autism* - **Autism** (Bleuler's concept of autism, referring to a withdrawal into a private world) is one of **Bleuler's 4 As**. - It describes the **self-absorption** and detachment from reality often observed in schizophrenia. *Affect* - **Affect** (specifically disturbance of affect, such as **blunted** or **inappropriate affect**) is one of **Bleuler's 4 As**. - This symptom refers to the **emotional responses** of an individual, which are often disorganized or mismatched with the context in schizophrenia. *Ambivalence* - **Ambivalence** (the coexistence of opposing thoughts, emotions, or attitudes toward the same object or situation) is one of **Bleuler's 4 As**. - It describes the **simultaneous presence of contradictory feelings** often seen in schizophrenia, such as loving and hating the same person at the same time.

Question 388: Catatonia is most commonly associated with which of the following mental disorders?

A. Schizophrenia (Correct Answer)
B. Major Depressive Disorder
C. Specific Phobia
D. Obsessive-Compulsive Disorder

Explanation: ***Schizophrenia*** - Catatonia is a severe neuropsychiatric syndrome characterized by profound psychomotor disturbance. It is **most commonly associated with schizophrenia and other psychotic disorders**. - Catatonia in schizophrenia can present with symptoms like **immobility**, **mutism**, **waxy flexibility**, **posturing**, **negativism**, and **stupor**. - Approximately **10-35%** of patients with schizophrenia may exhibit catatonic features during their illness, making it the most frequent psychiatric association. - DSM-5 recognizes catatonia as a specifier that can occur with schizophrenia spectrum disorders, where it remains most prevalent. *Major Depressive Disorder* - While catatonia can occur in mood disorders including major depressive disorder, it is **less common** than in schizophrenia and psychotic disorders. - When catatonia occurs in MDD, it indicates a **severe episode** and requires urgent treatment, often with benzodiazepines or ECT. - Catatonia in mood disorders accounts for a significant but smaller proportion of cases compared to psychotic disorders. *Specific Phobia* - **Specific phobias** are anxiety disorders characterized by an intense, irrational fear of a specific object or situation. - They do not involve **psychomotor disturbances** or other symptoms associated with catatonia. *Obsessive-Compulsive Disorder* - **Obsessive-compulsive disorder (OCD)** is characterized by recurrent, intrusive thoughts (obsessions) and repetitive behaviors (compulsions). - OCD does not present with **catatonic symptoms**; its motor features (compulsions) are driven by anxiety reduction, not the profound psychomotor dysfunction seen in catatonia.

Question 389: A woman firmly and persistently believes that her husband is cheating on her, despite any evidence to the contrary, and she disapproves of accepting any proof given in her husband's support. The other family members do not support her belief. This is an example of-

A. Illusion
B. Delusion (Correct Answer)
C. Hallucination
D. Perversion

Explanation: ***Delusion*** - A **delusion** is a **fixed, false belief** that is not amenable to change in light of conflicting evidence. - The woman's persistent belief about her husband's infidelity, despite evidence to the contrary and disagreement from family members, fits the diagnostic criteria for a delusion. - This scenario specifically describes a **jealous delusion (Othello syndrome)**, where a person falsely believes their partner is unfaithful without any reasonable basis. - Key features: **firmly held**, **evidence-resistant**, **not shared by others** (non-bizarre delusion). *Illusion* - An **illusion** is a **misinterpretation of a real external stimulus**. - Example: Seeing a rope in dim light and thinking it's a snake. - In this case, there is no misperception of a real sensory stimulus; rather, it's a false belief held without basis in reality. *Hallucination* - A **hallucination** is a **sensory perception in the absence of an external stimulus**. - Examples include hearing voices when no one is speaking, or seeing objects that aren't present. - The woman is not experiencing false sensory perceptions; she is holding a fixed false belief about her husband's actions. *Perversion* - **Perversion** refers to a **deviation from what is considered normal**, often used in the context of sexual behavior or moral corruption. - This term does not describe a psychotic symptom or cognitive disorder like a delusion. - Not relevant to the clinical presentation of fixed false beliefs in psychiatric disorders.

Question 390: Which of the following statements is true regarding delusional disorder?

A. Occurs at early age
B. Held with absolute conviction (Correct Answer)
C. More commonly occurs in middle to late adulthood
D. Often not amenable to reasoning

Explanation: ***Held with absolute conviction*** - This is the **BEST ANSWER** as it describes a **core diagnostic criterion** for delusions in delusional disorder per DSM-5/ICD-11. - Delusions are defined as **fixed, false beliefs held with absolute conviction** despite clear evidence to the contrary. - This unwavering certainty is what distinguishes delusions from overvalued ideas or normal beliefs. - This statement captures the fundamental **nature and defining characteristic** of the disorder itself. *More commonly occurs in middle to late adulthood* - This statement is **factually TRUE** - delusional disorder typically has onset between ages 40-55 (middle to late adulthood). - However, this describes **epidemiological data** (when it occurs), not a defining feature of the disorder. - While accurate, it is less fundamental than the absolute conviction which is a **diagnostic criterion**. *Often not amenable to reasoning* - This statement is also **factually TRUE** - patients with delusional disorder cannot be reasoned out of their false beliefs. - However, this is a **consequence** of the absolute conviction, not the primary defining feature. - The inability to respond to reasoning stems from the unwavering belief system. *Occurs at early age* - This is **FALSE** - delusional disorder is rare in early age. - Typical onset is in **middle to late adulthood** (ages 40-55), not childhood or adolescence. - Early onset would be atypical for this disorder.

Practice by Chapter

Schizophrenia: Epidemiology and Etiology

Practice Questions

Schizophrenia: Clinical Features

Practice Questions

Schizophrenia: Treatment

Practice Questions

Schizoaffective Disorder

Practice Questions

Delusional Disorders

Practice Questions

Brief Psychotic Disorder

Practice Questions

Substance-Induced Psychotic Disorders

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Psychosis in Medical Conditions

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First Episode Psychosis

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Treatment-Resistant Psychosis

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Rehabilitation in Psychotic Disorders

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Outcome and Prognosis

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