Psychotic Disorders Practice Questions

Q: Agarophobia is defined as a fear of what?

Open spaces or public places. **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.

Q: The characteristic symptom of organic psychosis is:

Transient delusion. **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.

Q: 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?

Schizophrenia. **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:** 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.

Q: 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?

De Clérambault syndrome. **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.

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

Schizophrenia. ### 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.

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

Schizophrenia. **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 1

Agarophobia is defined as a fear of what?

Accepted Answer

Open spaces or public places

Answer

Closed spaces

Answer

Spiders

Answer

Snakes

Question 2

The characteristic symptom of organic psychosis is:

Accepted Answer

Transient delusion

Answer

Hallucination

Answer

Depression

Answer

Anxiety

Question 3

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?

Accepted Answer

Schizophrenia

Answer

Conversion disorder

Answer

Major depression

Answer

Delusional disorder

Question 4

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

Accepted Answer

Obsessive Compulsive Disorder

Answer

Mania

Answer

Delirium

Answer

Depression

Question 5

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?

Accepted Answer

De Clérambault syndrome

Answer

Cotard syndrome

Answer

Othello syndrome

Answer

Capgras syndrome

Question 6

Which of the following is FALSE regarding schizophrenia?

Accepted Answer

Sustained mood changes

Answer

Third-person auditory hallucinations

Answer

Inappropriate emotions

Answer

Formal thought disorder

Question 7

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

Accepted Answer

Schizophrenia

Answer

Neurosis

Answer

Obsessive-Compulsive Disorder (OCD)

Answer

Ganser syndrome

Question 8

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

Accepted Answer

Schizophrenia

Answer

Delirium

Answer

Amnesia

Answer

Dementia

Question 9

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

Accepted Answer

Profound intellectual disability schizophrenia

Answer

Simple schizophrenia

Answer

Catatonic schizophrenia

Answer

Hebephrenic schizophrenia

Question 10

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?

Accepted Answer

Delirium

Answer

Acute dementia

Answer

Acute schizophrenia

Answer

Acute paranoia

Psychotic Disorders — MCQs

Psychotic Disorders — MCQs

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