Psychotic Disorders — MCQs

Psychotic Disorders Indian Medical PG Practice Questions and MCQs

Question 261: Self-mutilation is a feature of which of the following conditions?

A. Von-Gogh syndrome (Correct Answer)
B. Catatonic schizophrenia
C. Paranoid schizophrenia
D. Pfropfschizophrenia

Explanation: **Explanation:** **1. Correct Answer: A. Von-Gogh Syndrome** Von-Gogh syndrome is a clinical condition characterized by dramatic **self-mutilation** or self-injury, often associated with an underlying psychotic illness. It is named after the famous painter Vincent van Gogh, who famously cut off his own ear. In psychiatric practice, this behavior is most frequently seen in patients suffering from schizophrenia or borderline personality disorder, often driven by command hallucinations or intense delusions. **2. Analysis of Incorrect Options:** * **B. Catatonic Schizophrenia:** This subtype is characterized by psychomotor disturbances such as stupor, waxy flexibility, mutism, or purposeless excitement. While patients may inadvertently harm themselves during states of excitement, self-mutilation is not a defining or characteristic feature. * **C. Paranoid Schizophrenia:** This is characterized by stable, persecutory delusions and auditory hallucinations. While these patients may act out based on their delusions, "self-mutilation" as a specific syndrome is not the hallmark of this subtype. * **D. Pfropfschizophrenia:** This is an archaic term referring to schizophrenia that develops in a person who already has an intellectual disability (mental retardation). It does not specifically denote self-mutilating behavior. **3. High-Yield Clinical Pearls for NEET-PG:** * **Diogenes Syndrome:** Characterized by extreme self-neglect, social withdrawal, and hoarding (often seen in the elderly). * **Couvade Syndrome:** A "sympathetic pregnancy" where the partner of an expectant mother experiences pregnancy-related symptoms. * **Othello Syndrome:** Pathological or delusional jealousy (infidelity of the partner). * **Ekbom Syndrome:** Delusional parasitosis (belief that one is infested with insects). * **Self-mutilation** is also a key diagnostic feature of **Lesch-Nyhan Syndrome** (a metabolic disorder involving hyperuricemia).

Question 262: Which of the following best describes hallucinations?

A. A feeling of familiarity with an unfamiliar thing
B. An alteration in the perception of one's reality
C. A misinterpretation of existing stimuli
D. A perception occurring without external stimulation (Correct Answer)

Explanation: ### Explanation **Correct Answer: D. A perception occurring without external stimulation** **Hallucinations** are defined as sensory perceptions that occur in the **absence of an external stimulus**. They are experienced as true perceptions, originating in external space rather than within the mind (unlike imagery), and are not under voluntary control. In psychiatry, they are a hallmark of psychosis, with auditory hallucinations being the most common type in Schizophrenia. #### Analysis of Incorrect Options: * **Option A (Feeling of familiarity with an unfamiliar thing):** This describes **Déjà vu**, a phenomenon of recognition memory. Its opposite (feeling unfamiliar with a known thing) is *Jamais vu*. * **Option B (Alteration in the perception of one's reality):** This refers to **Derealization** (feeling that the world is unreal) or **Depersonalization** (feeling detached from oneself). These are dissociative symptoms, not hallucinations. * **Option C (Misinterpretation of existing stimuli):** This is the definition of an **Illusion**. In an illusion, a real external stimulus is present but perceived incorrectly (e.g., mistaking a rope for a snake in the dark). #### NEET-PG Clinical Pearls: * **Hypnagogic vs. Hypnopompic:** Hallucinations occurring while falling asleep (Hypna**go**gic = **Go**ing to sleep) vs. waking up (Hypno**pom**pic = **Po**pping out of bed). Both can be normal but are associated with Narcolepsy. * **Charles Bonnet Syndrome:** Visual hallucinations in elderly patients with significant visual impairment (intact cognition). * **Formication:** The tactile hallucination of insects crawling under the skin, commonly seen in Cocaine withdrawal ("Cocaine bugs") or Delirium Tremens. * **Functional Hallucination:** A hallucination triggered by a real stimulus in the same sensory modality (e.g., hearing voices only when the tap is running).

Question 263: What is the best drug therapy for paranoid schizophrenia in a thinly built 21-year-old young male?

A. Chlorpromazine
B. Risperidone
C. Olanzapine (Correct Answer)
D. Quetiapine

Explanation: **Explanation:** The correct answer is **Olanzapine (Option C)**. The clinical scenario describes a **thinly built** young male. In psychiatric practice, the side-effect profile of a drug often dictates the choice of therapy. Olanzapine is a highly effective Second-Generation Antipsychotic (SGA) known for its significant side effect of **weight gain** and metabolic syndrome. In a patient who is underweight or "thinly built," this side effect is clinically leveraged to help the patient achieve a healthier BMI while managing psychotic symptoms. Olanzapine also has a lower risk of Extrapyramidal Symptoms (EPS) compared to typical antipsychotics, making it ideal for a young patient. **Analysis of Incorrect Options:** * **Chlorpromazine (Option A):** A low-potency First-Generation Antipsychotic (FGA). It is rarely the first choice today due to heavy sedation, significant anticholinergic effects, and the risk of postural hypotension. * **Risperidone (Option B):** While effective, it has a higher propensity for causing EPS and hyperprolactinemia (which can cause gynecomastia in males) compared to Olanzapine. * **Quetiapine (Option D):** Generally less potent than Olanzapine and often requires high doses for schizophrenia. It is more commonly used when sedation is the primary goal or in Parkinson’s disease-associated psychosis. **Clinical Pearls for NEET-PG:** * **Drug of Choice (DOC) for Schizophrenia:** Generally SGAs (like Olanzapine or Risperidone) are preferred over FGAs due to lower EPS risk. * **Refractory Schizophrenia:** Clozapine is the DOC (requires mandatory WBC monitoring for agranulocytosis). * **Weight Gain Hierarchy:** Clozapine > Olanzapine > Quetiapine > Risperidone > Ziprasidone/Aripiprazole (Weight neutral). * **Hyperprolactinemia:** Most common with Risperidone and FGAs (Haloperidol).

Question 264: What are the most important receptors involved in schizophrenia?

A. GABAA
B. GABA
C. D2 (Correct Answer)
D. 5-HT

Explanation: **Explanation:** The pathophysiology of schizophrenia is most strongly associated with the **Dopamine Hypothesis**. This theory suggests that symptoms arise from dysregulation of dopaminergic pathways. Specifically, **D2 receptors** are the primary targets of all conventional (typical) and most unconventional (atypical) antipsychotics. * **Why D2 is correct:** Hyperactivity of dopamine at D2 receptors in the **mesolimbic pathway** is linked to positive symptoms (hallucinations, delusions). Conversely, dopamine deficiency in the **mesocortical pathway** is linked to negative symptoms. The clinical efficacy of antipsychotics is directly proportional to their D2 receptor-binding affinity. **Analysis of Incorrect Options:** * **GABA / GABAA (Options A & B):** While GABAergic dysfunction (inhibitory deficit) is researched in schizophrenia, it is not the primary diagnostic or therapeutic target. GABA receptors are more clinically relevant to anxiety disorders and benzodiazepine action. * **5-HT (Option D):** Serotonin (5-HT2A) receptors are important in the mechanism of **Atypical Antipsychotics** (e.g., Clozapine, Risperidone) to reduce extrapyramidal side effects and improve negative symptoms, but D2 remains the fundamental receptor involved in the core psychotic process. **High-Yield Clinical Pearls for NEET-PG:** * **Nigrostriatal Pathway:** Blockade of D2 here leads to **Extrapyramidal Symptoms (EPS)** and Tardive Dyskinesia. * **Tuberoinfundibular Pathway:** Blockade of D2 here leads to **Hyperprolactinemia** (galactorrhea, gynecomastia). * **Glutamate Hypothesis:** Another high-yield concept; NMDA receptor hypofunction is also implicated in schizophrenia. * **Clozapine:** The only antipsychotic that shows high affinity for D4 receptors and is the drug of choice for treatment-resistant schizophrenia.

Question 265: Which of the following is true about schizophrenia?

A. Thought broadcasting
B. Third person hallucination
C. Associated with violence
D. All of the above (Correct Answer)

Explanation: **Explanation:** Schizophrenia is a chronic and severe mental disorder characterized by distortions in thinking, perception, emotions, and behavior. The correct answer is **"All of the above"** because each option represents a recognized clinical feature or association of the disorder. * **Thought Broadcasting (Option A):** This is a **First Rank Symptom (FRS)** described by Kurt Schneider. It is a delusion of thought interference where the patient believes their private thoughts are being transmitted out loud so that others can hear them. * **Third-Person Hallucination (Option B):** Also a Schneiderian FRS, this involves hearing voices talking about the patient in the third person (e.g., "He is lazy" or "She is going to the door"). This is highly characteristic of schizophrenia, unlike second-person hallucinations which are common in mood disorders. * **Associated with Violence (Option C):** While most patients with schizophrenia are not violent, there is a statistically significant association with an increased risk of violent behavior, particularly during acute psychotic episodes, command hallucinations, or when comorbid with substance abuse. **High-Yield Clinical Pearls for NEET-PG:** * **Schneider’s First Rank Symptoms (FRS):** Includes 11 symptoms categorized into Auditory Hallucinations (Third person, running commentary, thought echo), Delusional Perception, and Somatic Passivity (Thought withdrawal, insertion, broadcasting, and made volitional acts/impulses/affect). * **Bleuler’s 4 A’s (Fundamental Symptoms):** Ambivalence, Autistic thinking, Affective flattening, and Association looseness. * **Prognosis:** Good prognostic factors include late onset, female sex, presence of mood symptoms, and being married. Poor prognostic factors include insidious onset, young age, and negative symptoms. * **Dopamine Hypothesis:** Schizophrenia is primarily associated with increased dopaminergic activity in the mesolimbic pathway (positive symptoms) and decreased activity in the mesocortical pathway (negative symptoms).

Question 266: Clang associations are seen in which of the following conditions?

A. Mania (Correct Answer)
B. Depression
C. Schizophrenia
D. Phobia

Explanation: **Explanation:** **Clang association** is a formal thought disorder where the connection between ideas is governed by the **sounds of words** (rhyming or punning) rather than their logical meanings. 1. **Why Mania is correct:** In **Mania**, patients experience "Flight of Ideas," where thoughts move rapidly from one topic to another. As the pressure of speech increases, the logical links between thoughts break down and are replaced by phonetic associations. Clang associations are a classic feature of the manic phase of Bipolar Disorder, reflecting the patient's heightened energy and distractibility. 2. **Why other options are incorrect:** * **Depression:** Characterized by "Poverty of Thought" and psychomotor retardation. Speech is typically slow, sparse, and focused on themes of guilt or hopelessness, rather than playful rhyming. * **Schizophrenia:** While Schizophrenia involves formal thought disorders like "Word Salad" or "Loosening of Associations," Clang associations are more characteristically associated with the pressured speech of Mania. However, they can occasionally occur in disorganized schizophrenia. * **Phobia:** This is an anxiety disorder characterized by irrational fear. It does not involve a primary disorder of thought form or speech patterns. **NEET-PG High-Yield Pearls:** * **Flight of Ideas:** Rapid shifting of ideas with a thin thread of connection (seen in Mania). * **Knight’s Move Thinking (Loosening of Associations):** Lack of any logical connection between ideas (Pathognomonic for Schizophrenia). * **Word Salad (Schizophasia):** A mixture of random words and phrases (Severe Schizophrenia). * **Neologism:** Coining new words that have meaning only to the patient (Common in Schizophrenia).

Question 267: Which of the following is NOT included in Bleuler's criteria for schizophrenia?

A. Ambivalence
B. Loosening of association
C. Automatism (Correct Answer)
D. Inappropriate affect

Explanation: In psychiatry, **Eugen Bleuler** (1911) coined the term "Schizophrenia" and identified four fundamental symptoms, famously known as **Bleuler’s 4 As**. These are considered the "primary symptoms" of the disorder. **Explanation of the Correct Answer:** **C. Automatism** is the correct answer because it is not one of Bleuler’s 4 As. Automatism (specifically Command Automatism) is a feature of **Catatonia**, where a patient follows instructions without critical judgment. While catatonia can occur in schizophrenia, it was not part of Bleuler’s core diagnostic criteria. **Explanation of Incorrect Options:** The 4 As included in Bleuler’s criteria are: * **A. Ambivalence:** The coexistence of contradictory emotions, ideas, or desires toward the same object or situation (e.g., loving and hating someone simultaneously). * **B. Loosening of Association:** A thought disorder where ideas shift from one subject to another in a completely unrelated way; the logical "thread" of conversation is lost. * **D. Inappropriate Affect:** An emotional response that is incongruent with the situation or the content of the patient’s thoughts (e.g., laughing while discussing a tragedy). * *(The 4th A is **Autism**, referring to social withdrawal and a preference for a private fantasy world).* **High-Yield Clinical Pearls for NEET-PG:** * **Bleuler vs. Schneider:** While Bleuler focused on **Fundamental (4 As)** and **Accessory** symptoms (hallucinations/delusions), **Kurt Schneider** proposed **First Rank Symptoms (FRS)**, which are more objective and commonly used in modern ICD/DSM criteria. * **Primary vs. Secondary:** Bleuler believed the 4 As were the primary psychological deficits, while hallucinations and delusions were secondary reactions to the underlying process. * **Mnemonic:** Remember **A-A-A-A** (Association, Affect, Ambivalence, Autism).

Question 268: Which of the following statements is NOT true regarding delusional disorder?

A. Early immigration
B. Social isolation
C. Sensory impairment
D. Occurs at an early age (Correct Answer)

Explanation: ### Explanation **Delusional Disorder** is characterized by the presence of one or more non-bizarre or bizarre delusions lasting for at least one month, without meeting the criteria for schizophrenia (e.g., no prominent hallucinations or disorganized behavior). **Why Option D is the correct answer (The "False" statement):** Unlike Schizophrenia, which typically presents in late adolescence or early adulthood, **Delusional Disorder usually occurs at a later age.** The mean age of onset is approximately **35 to 50 years** (middle to late adulthood). Therefore, the statement that it occurs at an early age is incorrect. **Analysis of Incorrect Options (Risk Factors for Delusional Disorder):** * **Option A (Early Immigration):** Migration is a well-documented risk factor. The stress of cultural displacement and perceived discrimination can trigger persecutory ideation. * **Option B (Social Isolation):** Individuals who are socially isolated or have avoidant personality traits are at a higher risk, as they lack social validation to "reality-check" their beliefs. * **Option C (Sensory Impairment):** Hearing or visual impairments (especially in the elderly) are significant risk factors. Sensory deficits can lead to misinterpretations of the environment, fostering suspiciousness and delusional thinking. **High-Yield Clinical Pearls for NEET-PG:** * **Core Feature:** Functioning is remarkably preserved; the patient often appears normal except when their specific delusional theme is touched upon. * **Common Types:** Persecutory (most common), Jealous (Othello syndrome), Erotomanic (De Clerambault syndrome), Somatic, and Grandiose. * **Gender:** Slightly more common in females. * **Treatment:** Difficult to treat due to lack of insight. **Atypical antipsychotics** are the first-line pharmacological treatment, often combined with psychotherapy (CBT).

Question 269: Schizophrenia is primarily considered a disorder of which of the following functions?

A. Thought (Correct Answer)
B. Mood
C. Perception
D. Cognition

Explanation: **Explanation:** **Schizophrenia** is fundamentally defined as a **disorder of thought**. While it is a complex syndrome affecting multiple domains, the core psychopathology lies in the disruption of the form, content, and stream of thought. This is clinically manifested through "Formal Thought Disorder" (e.g., loosening of associations) and "Delusions" (fixed, false beliefs), which are the hallmarks of the condition. **Analysis of Options:** * **A. Thought (Correct):** Schizophrenia is the prototypical "Thought Disorder." Eugen Bleuler’s "4 As" (specifically *Associative loosening*) and Schneider’s First Rank Symptoms (specifically *Delusional perception* and *Thought alienation*) emphasize that the primary pathology is the fragmentation of the thinking process. * **B. Mood:** Disorders of mood (e.g., Depression, Bipolar Disorder) are characterized by primary disturbances in affect. While Schizophrenia may involve "blunted affect," this is considered a secondary or negative symptom rather than the primary diagnostic feature. * **C. Perception:** While hallucinations (perceptual disturbances) are common in Schizophrenia, they are not universal or exclusive to it. The diagnostic weight in Schizophrenia leans more heavily toward the disorganized thought process. * **D. Cognition:** Cognitive deficits (memory, executive function) are significant in Schizophrenia and often determine long-term prognosis, but the disorder is traditionally classified by its psychotic thought disturbances. **High-Yield Clinical Pearls for NEET-PG:** * **Bleuler’s 4 As:** **A**ffective flattening, **A**utism, **A**mbivalence, and **A**ssociative loosening (the most important). * **Schneider’s First Rank Symptoms (FRS):** Includes thought withdrawal, insertion, and broadcasting (Thought Alienation). * **Prognosis:** "Good prognosis" factors include late onset, female sex, presence of mood symptoms, and identifiable triggers/stressors.

Question 270: Which of the following is true for schizophrenia?

A. It is a disorder of thought (Correct Answer)
B. It is split personality
C. It is due to emotional turmoil
D. It is due to childhood trauma

Explanation: **Explanation:** **Why Option A is Correct:** Schizophrenia is fundamentally classified as a **disorder of thought**. It involves disturbances in the **form** (e.g., loosening of associations, neologisms), **content** (e.g., delusions), and **stream** of thought. While it also affects perception (hallucinations), emotion (blunted affect), and behavior, the core psychopathology lies in the fragmentation of thought processes and a loss of contact with reality. **Why Other Options are Incorrect:** * **Option B (Split Personality):** This is a common layman’s misconception. "Split personality" refers to **Dissociative Identity Disorder (DID)**. The "schizo" (split) in schizophrenia refers to a "split from reality" or a fragmentation of mental functions (the "Sejunction" theory by Wernicke), not multiple personalities. * **Option C & D (Emotional Turmoil/Childhood Trauma):** While psychosocial stressors and trauma can act as **triggers** or contributing factors in genetically predisposed individuals (Stress-Diathesis Model), they are not the primary cause. Schizophrenia is a complex **neurodevelopmental disorder** with strong genetic and biological underpinnings (e.g., Dopamine hypothesis). **High-Yield Clinical Pearls for NEET-PG:** * **Schneider’s First Rank Symptoms (FRS):** These are diagnostic pillars and include audible thoughts (thought echo), voices arguing/commenting, and thought withdrawal/insertion/broadcast. * **Bleuler’s 4 A’s:** Fundamental symptoms include **A**ffective flattening, **A**mbivalence, **A**utism (social withdrawal), and **A**ssociation looseness. * **Neurobiology:** Associated with increased dopaminergic activity in the **mesolimbic pathway** (positive symptoms) and decreased activity in the **mesocortical pathway** (negative symptoms). * **Prognosis:** Good prognostic factors include late onset, female sex, presence of mood symptoms, and being married.

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

Practice Questions

Psychosis in Medical Conditions

Practice Questions

First Episode Psychosis

Practice Questions

Treatment-Resistant Psychosis

Practice Questions

Rehabilitation in Psychotic Disorders

Practice Questions

Outcome and Prognosis

Practice Questions

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