Psychotic Disorders — MCQs

Psychotic Disorders Indian Medical PG Practice Questions and MCQs

Question 141: Agarophobia is defined as a fear of what?

A. Closed spaces
B. Open spaces or public places (Correct Answer)
C. Spiders
D. Snakes

Explanation: **Explanation:** **Agoraphobia** is characterized by marked fear or anxiety about being in situations from which escape might be difficult or help might not be available in the event of developing panic-like symptoms. According to DSM-5 criteria, this involves fear in at least two of the following five situations: using public transportation, being in **open spaces**, being in enclosed places (like shops/cinemas), standing in line/crowds, or being outside of the home alone. Therefore, **Option B** is the most accurate description. **Analysis of Incorrect Options:** * **Option A (Closed spaces):** This refers to **Claustrophobia**. While agoraphobics may fear enclosed places, the core of claustrophobia is the specific fear of confinement itself, rather than the inability to escape to a "safe place." * **Option C (Spiders):** This is **Arachnophobia**, a type of Specific Phobia. * **Option D (Snakes):** This is **Ophidiophobia**, another common Specific Phobia. **High-Yield Clinical Pearls for NEET-PG:** * **Comorbidity:** Agoraphobia is most commonly associated with **Panic Disorder**. In previous classifications (DSM-IV), it was often coded as "Panic Disorder with Agoraphobia," but DSM-5 now recognizes them as two distinct diagnoses. * **Gender:** It is significantly more common in females (approx. 2:1 ratio). * **Treatment:** The gold standard treatment is **Cognitive Behavioral Therapy (CBT)**, specifically using **Systematic Desensitization** or **Exposure Therapy**. Pharmacotherapy involves **SSRIs** (first-line) and Benzodiazepines for acute symptom control. * **Key Distinction:** Unlike Social Anxiety Disorder (fear of scrutiny), Agoraphobia focuses on the fear of the physical environment and the inability to escape.

Question 142: The characteristic symptom of organic psychosis is:

A. Hallucination
B. Depression
C. Transient delusion (Correct Answer)
D. Anxiety

Explanation: **Explanation:** Organic psychosis refers to psychotic symptoms arising from an underlying medical condition, substance use, or brain injury (e.g., delirium, dementia, or metabolic encephalopathy). **Why "Transient Delusion" is the correct answer:** In organic psychosis, the clinical picture is often fluctuating and unstable. Unlike functional psychoses (like Schizophrenia), where delusions are typically systematized, persistent, and complex, delusions in organic states are usually **fragmentary, fleeting, and transient**. Because the underlying cause is a physiological disturbance affecting consciousness or cognition, the patient lacks the cognitive integration to maintain a complex, long-term delusional system. **Analysis of Incorrect Options:** * **A. Hallucination:** While common in organic states (especially visual hallucinations in delirium), they are not as "characteristic" a differentiator as the nature of the delusions. Hallucinations are also hallmark features of functional disorders like Schizophrenia. * **B. Depression:** This is a mood disturbance. While it can occur secondary to organic brain disease (e.g., post-stroke depression), it is not a defining feature of a psychotic state. * **D. Anxiety:** Anxiety is a non-specific symptom found across almost all psychiatric and many medical disorders; it lacks the diagnostic specificity for organic psychosis. **High-Yield Clinical Pearls for NEET-PG:** * **Visual Hallucinations:** If a patient presents with new-onset visual hallucinations, always rule out an **organic cause** first. * **Clouding of Consciousness:** This is the hallmark of Delirium (the most common organic psychosis). * **Age of Onset:** Psychosis starting after age 40 should be considered organic until proven otherwise. * **Functional vs. Organic:** Functional psychosis (Schizophrenia) usually features auditory hallucinations and "systematized" delusions in a clear sensorium.

Question 143: A patient presents with a 6-month history of odd behavior, including talking to himself and muttering loudly. There is a reported family history of a member who disappeared several years ago. What is the most likely diagnosis?

A. Schizophrenia (Correct Answer)
B. Conversion disorder
C. Major depression
D. Delusional disorder

Explanation: **Explanation:** The clinical presentation of odd behavior, talking to oneself (soliloquy), and muttering (hallucinatory behavior) for a duration of **6 months** points directly toward **Schizophrenia**. According to ICD-11 and DSM-5 criteria, a diagnosis of Schizophrenia requires continuous signs of the disturbance for at least 6 months (DSM-5) or persistent symptoms for at least one month (ICD-11), involving positive symptoms like hallucinations or disorganized speech. The mention of a family member who "disappeared" is a classic NEET-PG examiner’s hint toward a family history of psychiatric illness or "vagrancy," which is common in untreated schizophrenia. **Why other options are incorrect:** * **Conversion Disorder:** Presents with neurological symptoms (paralysis, seizures, blindness) that cannot be explained by a neurological disease, usually triggered by a stressor. It does not involve psychosis. * **Major Depression:** While it can have psychotic features, the primary symptom must be a persistent low mood or anhedonia. "Odd behavior" and soliloquy without mood symptoms favor a primary psychotic disorder. * **Delusional Disorder:** Characterized by non-bizarre delusions (e.g., being followed) lasting at least one month. Hallucinations are typically absent or not prominent, and the patient’s behavior is generally not "odd" or disorganized apart from the delusion. **High-Yield Clinical Pearls for NEET-PG:** * **Duration Criteria:** <1 month = Brief Psychotic Disorder; 1–6 months = Schizophreniform Disorder; >6 months = Schizophrenia. * **Schneider’s First Rank Symptoms (FRS):** Includes audible thoughts, voices arguing/commenting, and thought withdrawal/insertion. * **Prognosis:** Good prognostic factors include late onset, female sex, and presence of a precipitating stressor. Poor prognosis is associated with early (insidious) onset and negative symptoms.

Question 144: Which of the following disorders is NOT typically associated with delusions?

A. Mania
B. Delirium
C. Depression
D. Obsessive Compulsive Disorder (Correct Answer)

Explanation: **Explanation:** The core distinction in this question lies between **Psychotic Symptoms** (Delusions) and **Obsessive-Compulsive Symptoms** (Obsessions). **Why OCD is the Correct Answer:** In **Obsessive-Compulsive Disorder (OCD)**, the primary symptoms are obsessions—recurrent, intrusive thoughts that the patient recognizes as their own (autochthonous) and usually finds irrational or excessive. Crucially, OCD is characterized by **preserved insight** (ego-dystonic). A delusion, by definition, is a fixed false belief held with absolute certainty despite contrary evidence and a lack of insight. While "OCD with poor insight" exists, delusions are not a typical or defining feature of the disorder. **Analysis of Incorrect Options:** * **Mania:** Severe episodes of Bipolar Disorder often present with **mood-congruent delusions**, most commonly delusions of grandeur (e.g., believing one has special powers or wealth). * **Delirium:** This is an acute confusional state characterized by fluctuating consciousness. Patients frequently experience fragmented, unsystematized **delusions** and hallucinations (often visual). * **Depression:** In "Psychotic Depression," patients may experience **mood-congruent delusions**, such as delusions of guilt, poverty, or nihilism (Cotard’s syndrome). **High-Yield Clinical Pearls for NEET-PG:** * **Insight:** The hallmark of OCD is that the patient fights the thought (resistance), whereas a psychotic patient accepts the delusion as reality. * **Overvalued Ideas:** These occupy a middle ground between obsessions and delusions; they are firmly held beliefs but lack the total conviction of a delusion. * **Cotard’s Syndrome:** A specific nihilistic delusion (e.g., "my organs are rotting" or "I am dead") often seen in severe depression. * **Schneider’s First Rank Symptoms (FRS):** These are pathognomonic for Schizophrenia and include specific types of delusions (e.g., thought insertion, withdrawal, and broadcast).

Question 145: A 24-year-old female believes her boss is secretly in love with her. Despite his denials, she feels he is hiding his feelings. This presentation is suggestive of which disorder?

A. De Clérambault syndrome (Correct Answer)
B. Cotard syndrome
C. Othello syndrome
D. Capgras syndrome

Explanation: **Explanation:** The clinical presentation describes **De Clérambault syndrome**, also known as **Erotomania**. This is a type of delusional disorder where the patient (typically female) holds a fixed, false belief that another person—usually of higher social, financial, or professional status—is deeply in love with them. Despite the "object" of affection denying these feelings or having little to no contact with the patient, the patient interprets neutral actions as secret signs of love. **Analysis of Incorrect Options:** * **Cotard syndrome:** Also known as "Walking Corpse Syndrome," this is a nihilistic delusion where the patient believes they are dead, rotting, or have lost their internal organs or soul. * **Othello syndrome:** Also known as "Morbid Jealousy," this is a delusion where a person is convinced, without adequate proof, that their spouse or sexual partner is being unfaithful. * **Capgras syndrome:** A "delusional misidentification" where the patient believes a person close to them (like a spouse or parent) has been replaced by an identical-looking impostor. **High-Yield Clinical Pearls for NEET-PG:** * **Erotomania** is often associated with stalking behavior and is more common in females, though males with the condition are more likely to be aggressive. * **Fregoli syndrome** (the opposite of Capgras) is the belief that different people are actually a single person in disguise. * **Ekbom syndrome** is the delusional belief of being infested with parasites (Delusional Parasitosis). * **Treatment:** The primary treatment for delusional disorders is **Antipsychotics** (e.g., Risperidone), though they are often difficult to treat due to poor patient insight.

Question 146: Which of the following is FALSE regarding schizophrenia?

A. Third-person auditory hallucinations
B. Inappropriate emotions
C. Sustained mood changes (Correct Answer)
D. Formal thought disorder

Explanation: **Explanation:** The core of this question lies in differentiating **Schizophrenia** (a primary disorder of thought and perception) from **Mood Disorders** (disorders of affect). **Why "Sustained mood changes" is the correct (False) statement:** Sustained and pervasive changes in mood (such as prolonged mania or depression) are the hallmark of **Mood Disorders** (Bipolar Disorder or MDD). While patients with schizophrenia may experience transient mood fluctuations or "blunted affect," the primary pathology is not a sustained disturbance of mood. If prominent mood symptoms coexist with schizophrenia-like symptoms, the diagnosis shifts toward **Schizoaffective Disorder**. **Analysis of Incorrect Options:** * **Third-person auditory hallucinations:** These are classic **Schneiderian First Rank Symptoms (FRS)**. Hearing voices commenting on one's actions or discussing the patient among themselves is highly characteristic of schizophrenia. * **Inappropriate emotions:** Also known as **Incongruous Affect**, this is a common feature where the patient’s emotional expression does not match the situation (e.g., laughing while describing a tragic event). This is particularly common in the Hebephrenic (Disorganized) subtype. * **Formal thought disorder:** This refers to a disturbance in the organization and flow of thought (e.g., loosening of associations, neologisms, or word salad). It is a core diagnostic feature of schizophrenia. **Clinical Pearls for NEET-PG:** * **Schneider’s First Rank Symptoms (FRS):** Include thought withdrawal, insertion, broadcast, and third-person hallucinations. Note: FRS are *not* pathognomonic (they can occur in mania) but are highly suggestive of schizophrenia. * **Bleuler’s 4 A’s:** Remember the primary symptoms—**A**ffective flattening, **A**utism, **A**mbivalence, and **A**ssociative looseness. * **Prognosis:** Good prognostic factors include late onset, female sex, presence of mood symptoms (ironically), and positive symptoms. Poor prognosis is linked to early onset, male sex, and negative symptoms.

Question 147: A patient inventing new words is a feature of which condition?

A. Neurosis
B. Schizophrenia (Correct Answer)
C. Obsessive-Compulsive Disorder (OCD)
D. Ganser syndrome

Explanation: ### Explanation The correct answer is **Schizophrenia**. **1. Why Schizophrenia is correct:** The clinical phenomenon described—inventing new words—is known as a **Neologism**. Neologisms are a hallmark of **Formal Thought Disorder (FTD)**, specifically a disturbance in the *form* of thought rather than the content. In Schizophrenia, the patient’s thought process becomes fragmented, leading them to condense multiple concepts into a single, idiosyncratic word that has no recognized meaning to others but holds symbolic significance for the patient. **2. Why the other options are incorrect:** * **Neurosis:** This is a broad category of mental disorders (like anxiety or mild depression) where contact with reality is maintained. Neologisms indicate a psychotic break from reality, which is not a feature of neurosis. * **Obsessive-Compulsive Disorder (OCD):** OCD is characterized by intrusive thoughts (obsessions) and repetitive behaviors (compulsions). While thoughts are distressing, the language structure remains intact. * **Ganser Syndrome:** Often called "prison psychosis," it is characterized by **"approximate answers" (paralogia)**—where the patient gives a wrong answer that indicates they understood the question (e.g., saying a dog has five legs). It does not typically involve the creation of new words. **3. NEET-PG High-Yield Pearls:** * **Word Salad (Schizophasia):** An extreme form of FTD where speech is a random jumble of words and neologisms. * **Clang Association:** Choosing words based on sound (rhyming) rather than meaning. * **Knight’s Move Thinking (Derailment):** A transition from one topic to another with no logical connection. * **Schneiderian First Rank Symptoms (FRS):** Remember that while neologisms are common in Schizophrenia, they are **not** part of Kurt Schneider’s FRS.

Question 148: Loosening of association is a characteristic symptom of which of the following conditions?

A. Delirium
B. Amnesia
C. Dementia
D. Schizophrenia (Correct Answer)

Explanation: **Explanation:** **Loosening of Association** (also known as Knight’s Move thinking or derailment) is a formal thought disorder where a patient’s ideas shift from one subject to another in a completely unrelated or oblique manner. The logical connection between successive thoughts is lost, making the speech difficult to follow. 1. **Why Schizophrenia is correct:** Loosening of association is a **pathognomonic feature of Schizophrenia**. It represents a breakdown in the structure of thought processes. It is one of **Bleuler’s 4 A’s** (Association, Affect, Autism, and Ambivalence), which are the fundamental symptoms of schizophrenia. 2. **Why other options are incorrect:** * **Delirium:** This is an acute organic brain syndrome characterized by a clouding of consciousness and impairment in **attention**, rather than a primary formal thought disorder. * **Amnesia:** This refers specifically to a deficit in **memory** (encoding, storage, or retrieval) without necessarily affecting the structure of thought. * **Dementia:** This is a chronic global impairment of cognitive functions (memory, executive function, language). While "word-finding" difficulties occur, the structured "loosening" seen in schizophrenia is not a primary diagnostic feature. **High-Yield Clinical Pearls for NEET-PG:** * **Bleuler’s 4 A’s:** **A**ffective flattening, **A**utism, **A**mbivalence, and **A**ssociation loosening. * **Schneider’s First Rank Symptoms (FRS):** These are more specific for diagnosis (e.g., auditory hallucinations, thought withdrawal/insertion) but do *not* include loosening of association. * **Word Salad:** The most extreme form of loosening of association where speech is a random jumble of words. * **Flight of Ideas:** Often confused with loosening of association, but seen in **Mania**. In flight of ideas, there is a rapid shift but a *discernible* connection (often via puns or rhyming) exists between thoughts.

Question 149: Schizophrenia occurring in persons with IQ less than 70 is classified as which of the following?

A. Simple schizophrenia
B. Profound intellectual disability schizophrenia (Correct Answer)
C. Catatonic schizophrenia
D. Hebephrenic schizophrenia

Explanation: ### Explanation **Correct Option: B. Profound intellectual disability schizophrenia** The term **"Pfropfschizophrenie"** (grafted schizophrenia) was historically used to describe schizophrenia that develops in individuals with pre-existing intellectual disabilities (IQ < 70). In modern clinical terminology and competitive exams like NEET-PG, this is referred to as **Profound intellectual disability schizophrenia**. The core concept is that the psychotic process is "grafted" onto a brain that already has significant cognitive deficits. Diagnosing this can be challenging as the symptoms of schizophrenia (like delusions or hallucinations) may be less complex due to the patient's limited cognitive and linguistic abilities. **Analysis of Incorrect Options:** * **A. Simple Schizophrenia:** Characterized by the insidious development of negative symptoms (apathy, social withdrawal, poverty of speech) without prominent hallucinations or delusions. It is not defined by IQ level. * **C. Catatonic Schizophrenia:** Defined by prominent psychomotor disturbances (stupor, waxy flexibility, mutism, or purposeless excitement). It relates to motor behavior, not baseline intelligence. * **D. Hebephrenic (Disorganized) Schizophrenia:** Characterized by disorganized speech, disorganized behavior, and flat or inappropriate affect. It typically has an early onset and poor prognosis but is independent of the patient's IQ. **High-Yield Clinical Pearls for NEET-PG:** * **Pfropfschizophrenie:** Always associate this term with the combination of **Intellectual Disability + Schizophrenia**. * **IQ Threshold:** An IQ of **< 70** is the diagnostic cutoff for Intellectual Disability (ID). * **Most Common Type:** Paranoid schizophrenia remains the most common subtype overall. * **Best Prognosis:** Paranoid schizophrenia generally has a better prognosis than other types. * **Worst Prognosis:** Hebephrenic and Simple schizophrenia typically have the poorest long-term outcomes.

Question 150: A 56-year-old man, treated with antibiotics for 4 days, develops altered sensorium. He cannot recognize his doctor and nurse, believes he is imprisoned and being poisoned, and reports seeing scorpions on his bed. What is the most likely diagnosis?

A. Acute dementia
B. Acute schizophrenia
C. Delirium (Correct Answer)
D. Acute paranoia

Explanation: ### Explanation The correct diagnosis is **Delirium**. This is a clinical syndrome characterized by an **acute decline in attention and cognition**, typically developing over hours to days, with a fluctuating course. **Why Delirium is correct:** 1. **Acute Onset & Altered Sensorium:** The symptoms developed rapidly (4 days) following a medical trigger (infection/antibiotics). 2. **Disorientation:** He cannot recognize familiar faces (doctor/nurse), indicating impaired consciousness. 3. **Visual Hallucinations:** Seeing "scorpions on the bed" (zoopsia) is a classic feature of delirium, whereas auditory hallucinations are more common in schizophrenia. 4. **Persecutory Delusions:** Believing he is "imprisoned and poisoned" are transient, poorly systematized delusions common in delirious states. **Why the other options are incorrect:** * **Acute Dementia:** Dementia is a chronic, progressive neurodegenerative process. There is no such clinical entity as "acute dementia." While delirium can be superimposed on dementia, the rapid onset here points to delirium. * **Acute Schizophrenia:** Schizophrenia requires a duration of at least 6 months (ICD-11/DSM-5). It typically presents with clear consciousness and auditory hallucinations, not acute disorientation and visual hallucinations. * **Acute Paranoia:** This is a symptom, not a diagnosis. While the patient has paranoid ideas, they occur in the context of global cognitive impairment (delirium). **NEET-PG High-Yield Pearls:** * **EEG in Delirium:** Characteristically shows **generalized slowing** (except in Delirium Tremens, where it shows fast activity). * **Visual Hallucinations:** When present in an acute medical setting, always rule out organic causes (Delirium) before psychiatric ones. * **Sundowning:** Symptoms of delirium often worsen at night. * **Management:** The primary goal is treating the underlying cause (e.g., infection). Low-dose Haloperidol is the drug of choice for agitation (avoid benzodiazepines unless it is alcohol withdrawal).

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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