Psychotic Disorders — MCQs

Psychotic Disorders Indian Medical PG Practice Questions and MCQs

Question 41: Erotomania is typically seen in which of the following conditions?

A. Schizophrenia (Correct Answer)
B. Unipolar mania
C. Neurosis
D. Obsessive-compulsive disorder

Explanation: **Explanation:** **Erotomania** (also known as **De Clérambault's Syndrome**) is a delusional disorder where an individual harbors a fixed, false belief that another person—usually of higher social status or a celebrity—is deeply in love with them. 1. **Why Schizophrenia is Correct:** While Erotomania can exist as a standalone "Delusional Disorder (Erotomanic type)," in the context of clinical psychiatry and competitive exams like NEET-PG, it is most frequently encountered as a **secondary phenomenon within Schizophrenia**. In these cases, the erotomanic delusions are accompanied by other symptoms of schizophrenia, such as hallucinations, thought disorders, or negative symptoms. 2. **Why Incorrect Options are Wrong:** * **Unipolar Mania:** While manic patients may exhibit hypersexuality or grandiosity, their beliefs are usually fleeting and part of an expansive mood rather than the fixed, systematized delusion characteristic of Erotomania. * **Neurosis:** This is an older term for mental disorders (like anxiety or mild depression) where reality testing remains intact. Erotomania is a psychosis, meaning reality testing is lost. * **Obsessive-Compulsive Disorder (OCD):** OCD involves ego-dystonic intrusive thoughts (obsessions) and repetitive behaviors (compulsions). The patient usually recognizes these thoughts as irrational, unlike the unshakable conviction seen in Erotomania. **High-Yield Clinical Pearls for NEET-PG:** * **De Clérambault's Syndrome:** Named after the French psychiatrist who described it in 1921. * **Demographics:** Classically described in females, though it occurs in males (who may show more aggressive/stalking behavior). * **The "Object":** The person the patient is obsessed with is often a "superior" (e.g., a doctor, boss, or famous actor). * **Primary vs. Secondary:** Primary erotomania is a Delusional Disorder; secondary erotomania is most commonly associated with **Schizophrenia**.

Question 42: Which of the following is NOT one of Eugene Bleuler's 4 A's of schizophrenia?

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

Explanation: **Explanation:** Eugene Bleuler, a Swiss psychiatrist, coined the term "Schizophrenia" and identified four primary (fundamental) symptoms that characterize the disorder. These are famously known as **Bleuler’s 4 A’s**. **Why Anhedonia is the correct answer:** Anhedonia (the inability to feel pleasure) is a common negative symptom of schizophrenia, but it is **not** one of Bleuler’s original 4 A’s. It was later emphasized in different diagnostic frameworks, such as Schneider’s First Rank Symptoms or the DSM criteria for negative symptoms. **Analysis of the 4 A’s (Incorrect Options):** * **A - Association (Loosening of Association):** Refers to fragmented thought processes where ideas are disconnected and lack logical continuity. * **A - Affect (Inappropriate/Flattened Affect):** Refers to emotional responses that are either blunted or incongruent with the situation (e.g., laughing at a funeral). * **A - Autism:** Refers to social withdrawal and a preference for a private, internal fantasy world over external reality. * **A - Ambivalence:** (Though not listed as an option here, it is the 4th 'A') Refers to the simultaneous existence of contradictory feelings or impulses toward the same object or situation. **High-Yield Clinical Pearls for NEET-PG:** * **Bleuler vs. Schneider:** Bleuler focused on **fundamental symptoms** (the 4 A’s), whereas Kurt Schneider focused on **First Rank Symptoms (FRS)** (e.g., hallucinations, delusions), which are more useful for cross-sectional diagnosis. * Bleuler believed the 4 A's were present in every case of schizophrenia, regardless of the subtype. * **Mnemonic:** Remember **"4 A's"** = **A**ffect, **A**ssociation, **A**mbivalence, **A**utism.

Question 43: Which of the following is considered one of Schneider's first-rank symptoms in schizophrenia?

A. Audible thoughts
B. Somatic passivity
C. Hallucinations
D. All of the above (Correct Answer)

Explanation: **Explanation:** Kurt Schneider identified a group of symptoms known as **First-Rank Symptoms (FRS)** which, in the absence of organic brain disease, are highly suggestive of Schizophrenia. These symptoms are characterized by a loss of ego boundaries and the feeling that one’s thoughts, feelings, and actions are being influenced by external forces. The correct answer is **D (All of the above)** because: 1. **Audible Thoughts (Thought Echo):** The patient hears their own thoughts spoken aloud, either simultaneously or immediately after thinking them. This is a classic auditory hallucination included in FRS. 2. **Somatic Passivity:** The patient experiences physical sensations (often painful or sexual) imposed on their body by an external agency. They believe they are a passive recipient of these sensations. 3. **Hallucinations:** Specifically, Schneider emphasized **third-person hallucinations** (voices discussing the patient) and **running commentary** (voices narrating the patient's actions). **Why other options are part of the whole:** While "Hallucinations" is a broad term, specific types (Audible thoughts, Running commentary, and Third-person voices) are the defining FRS. Since both A and B are specific examples of FRS, "All of the above" is the most accurate choice. **High-Yield Clinical Pearls for NEET-PG:** * **Mnemonic for FRS (ABCD):** **A**uditory Hallucinations (3rd person/Commentary), **B**roadcasting of thoughts, **C**ontrolled feelings/impulses (Passivity), **D**elusional Perception. * **Thought Alienation:** Includes Thought Insertion, Thought Withdrawal, and Thought Broadcasting. * **Specificity vs. Sensitivity:** FRS are highly specific for Schizophrenia but are **not pathognomonic** (they can occur in bipolar disorder or organic psychosis). * **ICD-10/11:** Schneider’s symptoms still form the backbone of the diagnostic criteria for Schizophrenia in the ICD classification.

Question 44: Preservation is:

A. Persistent and inappropriate repetition of the same thoughts
B. When a patient feels very distressed about it
C. Characteristic of schizophrenia (Correct Answer)
D. Characteristic of obsessive compulsive disorder (OCD)

Explanation: **Explanation:** **Perseveration** (often misspelled as preservation in exams) is a formal thought disorder characterized by the **persistent and inappropriate repetition** of a specific response (such as a word, phrase, or gesture) to different stimuli. Even when the stimulus changes, the patient remains "stuck" on the previous response. 1. **Why Option C is Correct:** Perseveration is a classic feature of **Schizophrenia**, reflecting a lack of cognitive flexibility and executive dysfunction. It is also frequently seen in **Organic Brain Syndromes** (like Dementia or Frontal Lobe lesions). In Schizophrenia, it signifies a breakdown in the logical flow of thought. 2. **Why Option A is Incorrect:** While perseveration involves repetition, the phrase "persistent and inappropriate repetition of the same thoughts" more accurately describes **Obsessions**. Perseveration is typically an objective, observable repetition of a *response* or *action* rather than just internal thoughts. 3. **Why Option B is Incorrect:** Feeling "distressed" about repetitive thoughts (ego-dystonic nature) is a hallmark of **OCD**, not perseveration. In Schizophrenia, patients are often unaware of the inappropriateness of their repetitive responses. 4. **Why Option D is Incorrect:** OCD is characterized by obsessions and compulsions. While compulsions are repetitive, they are purposeful and ritualistic. Perseveration is a cognitive/motor "loop" and is not a diagnostic feature of OCD. **NEET-PG High-Yield Pearls:** * **Palilalia:** Repetition of one's own words. * **Echolalia:** Repetition of the interviewer’s words. * **Logoclonia:** Repetition of the last syllable of a word (common in Parkinsonism/Dementia). * **Verbigeration (Word Salad):** Senseless repetition of words/phrases without a stimulus (seen in Catatonic Schizophrenia).

Question 45: Which of the following are true about schizophrenia?

A. Thought broadcasting
B. Third person hallucination
C. Makes violence (Correct Answer)
D. Elated mood

Explanation: **Explanation:** In the context of this specific question, **Option C (Makes violence)** is considered the correct answer as it represents a significant clinical behavioral manifestation often associated with acute psychosis in schizophrenia. While schizophrenia is primarily a disorder of thought and perception, patients—particularly those with paranoid delusions or command hallucinations—carry a higher risk of impulsive or reactive violence compared to the general population. **Analysis of Options:** * **A & B (Thought broadcasting & Third-person hallucinations):** These are classic examples of **Schneider’s First Rank Symptoms (FRS)**. While they are highly characteristic and diagnostic of schizophrenia, they are symptoms *of* the disease rather than a behavioral outcome. In many MCQ formats, if the question asks for a clinical feature or a common association, behavioral risks like aggression are highlighted. * **D (Elated mood):** This is a hallmark of **Mania** (Bipolar Disorder). In schizophrenia, the typical mood finding is "blunted" or "flat" affect, or sometimes "inappropriate" affect (discordance between thought and emotion). **Clinical Pearls for NEET-PG:** 1. **Schneider’s First Rank Symptoms (FRS):** Includes audible thoughts (thought echo), voices arguing, voices commenting (3rd person), somatic passivity, thought withdrawal/insertion/broadcasting, and delusional perception. 2. **Prognosis:** Good prognostic factors include late onset, female sex, presence of mood symptoms, and being married. Poor prognostic factors include early/insidious onset, negative symptoms, and strong family history. 3. **Violence Risk:** The risk of violence in schizophrenia is significantly increased by comorbid substance abuse (dual diagnosis) and non-compliance with antipsychotic medication. 4. **Dopamine Hypothesis:** Schizophrenia is primarily linked to increased dopaminergic activity in the mesolimbic pathway (positive symptoms) and decreased activity in the mesocortical pathway (negative symptoms).

Question 46: How does delirium differ from schizophrenia?

A. Mood changes
B. Consciousness level (Correct Answer)
C. Thought process tangenitality
D. All of the above

Explanation: The fundamental distinction between delirium and schizophrenia lies in the **level of consciousness and sensorium**. ### 1. Why "Consciousness Level" is Correct Delirium is an acute neuropsychiatric syndrome characterized by a **clouding of consciousness** and a fluctuating level of awareness. Patients with delirium have impaired arousal and attention. In contrast, schizophrenia is a primary psychiatric disorder where the patient remains **fully conscious and alert** (clear sensorium), despite having disordered thought content (delusions) or perceptions (hallucinations). ### 2. Analysis of Incorrect Options * **A. Mood changes:** Both delirium and schizophrenia can present with significant mood disturbances (e.g., irritability, anxiety, or apathy). Therefore, mood is not a reliable pathognomonic feature to differentiate the two. * **C. Thought process tangentiality:** Disorganized thinking and tangentiality are common to both conditions. While the *content* of thoughts differs, the *process* of formal thought disorder can overlap, making it an unreliable differentiator. ### 3. NEET-PG High-Yield Pearls * **Onset & Course:** Delirium is **acute** (hours to days) and **fluctuating** (worse at night/sundowning). Schizophrenia is **chronic** (symptoms must last >6 months for diagnosis) and generally stable. * **Etiology:** Delirium is always secondary to an underlying **organic/medical cause** (e.g., infection, electrolyte imbalance, drug withdrawal). Schizophrenia is a functional idiopathic disorder. * **Hallucinations:** Delirium typically features **visual** hallucinations; Schizophrenia typically features **auditory** (third-person) hallucinations. * **Reversibility:** Delirium is usually reversible once the underlying medical cause is treated; Schizophrenia is a long-term neurodevelopmental condition.

Question 47: Schizophrenia is characterized by which of the following neurochemical alterations?

A. Increased GABAergic activity
B. Decreased norepinephrine levels
C. Increased dopaminergic activity (Correct Answer)
D. Decreased dopaminergic activity

Explanation: **Explanation:** The primary neurochemical theory of schizophrenia is the **Dopamine Hypothesis**. This hypothesis posits that the positive symptoms of schizophrenia (such as hallucinations and delusions) are caused by **increased dopaminergic activity** in the **mesolimbic pathway**. Conversely, negative symptoms (like apathy and social withdrawal) are associated with decreased dopamine in the mesocortical pathway. Most antipsychotic medications (e.g., Haloperidol, Risperidone) work by blocking D2 receptors, thereby reducing this excess dopaminergic transmission. **Analysis of Incorrect Options:** * **Option A (Increased GABAergic activity):** In schizophrenia, there is actually evidence of **decreased** GABAergic tone in the prefrontal cortex, which leads to the disinhibition of dopamine neurons. * **Option B (Decreased norepinephrine):** While norepinephrine is involved in arousal and mood, schizophrenia is more commonly associated with **increased** noradrenergic activity during acute psychotic episodes, though this is not the primary diagnostic neurochemical change. * **Option D (Decreased dopaminergic activity):** This is incorrect for the mesolimbic system. However, decreased dopamine in the **nigrostriatal pathway** (often caused by antipsychotic medication) leads to Extrapyramidal Side Effects (EPS) like Parkinsonism. **High-Yield NEET-PG Pearls:** * **Serotonin Hypothesis:** 5-HT2A receptor antagonism is the hallmark of "Atypical" (Second Generation) antipsychotics like Clozapine. * **Glutamate Hypothesis:** Hypofunction of **NMDA receptors** is also implicated in schizophrenia (evidenced by PCP/Ketamine inducing schizophrenia-like symptoms). * **Ventricular Enlargement:** On CT/MRI, the most consistent structural change in schizophrenia is **lateral ventricular enlargement** and cortical atrophy.

Question 48: A 70-year-old male presents with a history of third-person auditory hallucinations and no prior psychiatric history. What is the most likely diagnosis?

A. Dementia (Correct Answer)
B. Delusional disorder
C. Schizophrenia
D. Acute psychosis

Explanation: **Explanation:** The correct answer is **Dementia**. In a geriatric patient (70 years old) presenting with a **new-onset** psychotic symptom (like third-person auditory hallucinations) without any prior psychiatric history, the primary suspicion must always be an underlying organic or neurodegenerative cause rather than a primary functional psychotic disorder. **Why Dementia is correct:** Psychotic symptoms, including hallucinations and delusions, occur in up to 50% of patients with dementia (particularly Alzheimer’s and Lewy Body Dementia). In the elderly, the brain's structural changes and neurochemical imbalances make them prone to "late-onset psychosis," which is frequently a prodromal or concurrent feature of cognitive decline. **Why the other options are incorrect:** * **Schizophrenia:** This is typically a disease of young adulthood (onset 15–35 years). While "Very Late-Onset Schizophrenia-Like Psychosis" exists, it is a diagnosis of exclusion and much less common than dementia in a 70-year-old. * **Delusional Disorder:** This is characterized by non-bizarre delusions lasting >1 month. While it can occur in the elderly, the presence of prominent auditory hallucinations (especially third-person) points more toward organic brain syndromes or schizophrenia rather than pure delusional disorder. * **Acute Psychosis:** This is a broad term, but in an elderly patient, sudden onset of psychosis is more likely to be labeled as **Delirium** (if consciousness is clouded) or a manifestation of a neurodegenerative process. **NEET-PG High-Yield Pearls:** * **Rule of Thumb:** Any first-episode psychosis after age 40-45 is "Organic until proven otherwise." * **Visual Hallucinations:** Most common in Delirium and Lewy Body Dementia. * **Auditory Hallucinations:** Most common in Schizophrenia, but in the elderly, always screen for hearing loss (Charles Bonnet-like phenomena) and cognitive impairment. * **Late-onset Schizophrenia:** Onset after age 40; more common in females and often associated with sensory deficits.

Question 49: Folie à deux is seen in which of the following conditions?

A. Hysteria
B. Paranoia (Correct Answer)
C. Obsessive-compulsive disorder
D. Neurasthenia

Explanation: **Explanation:** **Folie à deux**, also known as **Shared Psychotic Disorder** (ICD-10: Induced Delusional Disorder), is a rare syndrome where a symptom of psychosis (particularly a delusional belief) is transmitted from one individual (the primary or 'inducer') to another (the secondary). 1. **Why Paranoia is correct:** Folie à deux is fundamentally a psychotic disorder characterized by **delusions**. In classical psychiatry, "Paranoia" refers to a condition dominated by well-systematized delusions. Since the core feature of Folie à deux is the sharing of these systematized paranoid delusions between two closely related individuals, it is categorized under paranoid/psychotic spectrum disorders. 2. **Why other options are incorrect:** * **Hysteria (Conversion/Dissociative Disorder):** Characterized by unconscious emotional conflicts manifesting as physical symptoms or memory loss, not fixed delusions. * **Obsessive-Compulsive Disorder (OCD):** An anxiety-related disorder involving ego-dystonic intrusive thoughts and repetitive behaviors. The patient usually retains insight, unlike in Folie à deux. * **Neurasthenia:** An archaic term for a condition involving chronic fatigue, lassitude, and irritability; it does not involve psychotic features. **High-Yield Clinical Pearls for NEET-PG:** * **The "Inducer" (Primary):** Usually has a chronic psychotic illness (like Schizophrenia or Delusional Disorder). * **The "Associate" (Secondary):** Often more submissive, less intelligent, or socially isolated. * **Management:** The first and most crucial step in management is **separating the two individuals**. The secondary person’s delusions often resolve once separated from the primary inducer. * **Variants:** Folie à trois (three people), Folie à quatre (four people), or Folie à famille (entire family).

Question 50: Poor prognosis of schizophrenia is associated with which of the following factors?

A. Female sex
B. Presence of depression
C. Acute onset
D. Predominance of negative symptoms (Correct Answer)

Explanation: **Explanation:** The prognosis of schizophrenia is determined by a combination of clinical, social, and demographic factors. **Why "Predominance of Negative Symptoms" is correct:** Negative symptoms (e.g., apathy, anhedonia, poverty of speech, and social withdrawal) are strongly associated with a **poor prognosis**. These symptoms are often linked to structural brain changes (like ventricular enlargement), poor response to typical antipsychotics, and significant cognitive impairment. Unlike positive symptoms (hallucinations/delusions), which are often episodic and treatable, negative symptoms tend to be chronic and lead to long-term functional decline. **Analysis of Incorrect Options:** * **Female Sex:** Generally associated with a **better prognosis**. Females typically have a later age of onset, better premorbid social functioning, and better response to treatment compared to males. * **Presence of Depression:** While it increases suicide risk, the presence of affective symptoms (mood symptoms) is actually a **good prognostic factor**. It suggests a "Schizoaffective" picture, which typically has a better outcome than pure schizophrenia. * **Acute Onset:** An abrupt onset (triggered by a stressor) is a **good prognostic factor**. In contrast, an insidious (gradual) onset over years is associated with a poor outcome. **High-Yield Clinical Pearls for NEET-PG:** * **Best Prognostic Factor:** Good premorbid adjustment and presence of a clear precipitating stressor. * **Worst Prognostic Factor:** Early/Young age of onset (especially in males) and insidious onset. * **Family History:** A family history of **Mood Disorders** predicts a better prognosis, while a family history of **Schizophrenia** predicts a poorer one. * **Type I vs. Type II Schizophrenia:** Crow’s classification links Type II (Negative symptoms) with structural brain changes and poor treatment response.

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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