Psychotic Disorders — MCQs

Psychotic Disorders Indian Medical PG Practice Questions and MCQs

Question 71: Which of the following is NOT considered a first-rank symptom of schizophrenia?

A. Ambivalence (Correct Answer)
B. Running commentary
C. Primary delusion
D. Somatic passivity

Explanation: To answer this question correctly, it is essential to distinguish between **Kurt Schneider’s First-Rank Symptoms (FRS)** and **Eugen Bleuler’s "4 As"** of schizophrenia. ### **Why Ambivalence is the Correct Answer** **Ambivalence** is one of the "4 As" described by Eugen Bleuler as a fundamental (primary) symptom of schizophrenia. It refers to the coexistence of contradictory emotions or desires toward the same object or situation. While characteristic of the disorder, it is **not** part of Schneider’s First-Rank Symptoms, which focus more on specific types of hallucinations and delusions. ### **Explanation of Incorrect Options (First-Rank Symptoms)** Schneider’s FRS are highly suggestive of schizophrenia in the absence of organic brain disease. The incorrect options are all classic examples: * **Running Commentary:** A specific auditory hallucination where a voice describes the patient’s actions as they happen. * **Primary Delusion:** Also known as delusional perception, where a normal perception is suddenly given a private, idiosyncratic, and delusional meaning. * **Somatic Passivity:** The delusional belief that one’s body is being influenced or acted upon by an external force (a "made" sensation). ### **Clinical Pearls for NEET-PG** * **Bleuler’s 4 As:** **A**ffective flattening, **A**utism, **A**mbivalence, and **A**ssociative looseness. * **Schneider’s FRS Categories:** 1. **Auditory Hallucinations:** Thought echo (Gedankenlautwerden), third-person voices, and running commentary. 2. **Thought Interference:** Thought withdrawal, insertion, and broadcasting. 3. **Passivity Phenomena:** "Made" feelings, "made" impulses, and "made" acts. 4. **Delusional Perception.** * **High-Yield Note:** FRS are no longer required for a diagnosis in the **DSM-5**, as they were found to be less specific than previously thought, but they remain a favorite topic in NEET-PG exams.

Question 72: A psychotic disorder most commonly pertains to which of the following symptoms?

A. Weeping or laughing
B. Agitation or retardation
C. Obsessions or compulsions
D. Delusions or hallucinations (Correct Answer)

Explanation: **Explanation:** The hallmark of a **psychotic disorder** is the presence of **psychosis**, which is defined as a loss of contact with reality. In clinical psychiatry, the core features that define this state are **delusions** (fixed, false beliefs) and **hallucinations** (sensory perceptions in the absence of external stimuli). These symptoms represent a fundamental disturbance in the processing of reality and are the primary diagnostic criteria for disorders such as Schizophrenia, Delusional Disorder, and Brief Psychotic Disorder. **Analysis of Options:** * **A. Weeping or laughing:** These are disturbances of **affect or mood**. While they can occur in psychosis (e.g., inappropriate affect in schizophrenia), they are more characteristic of Mood Disorders (Depression/Bipolar) or Pseudobulbar affect. * **B. Agitation or retardation:** These are **psychomotor disturbances**. While common in severe psychosis, they are non-specific and are frequently seen in Major Depressive Disorder (Melancholic) or Catatonia. * **C. Obsessions or compulsions:** These are the defining features of **Obsessive-Compulsive Disorder (OCD)**. Unlike psychosis, patients with OCD usually maintain "insight"—they recognize their thoughts as irrational or products of their own mind. **NEET-PG High-Yield Pearls:** * **Schneider’s First Rank Symptoms (FRS):** A historical but high-yield list of symptoms (e.g., auditory hallucinations, thought withdrawal/insertion) used to diagnose Schizophrenia. * **Hallucination Type:** Auditory hallucinations (specifically third-person) are the most common in Schizophrenia, whereas visual hallucinations often suggest an organic/medical cause. * **Delusion Type:** Persecutory delusions are the most common type of delusion across psychotic disorders.

Question 73: What is a bad prognostic factor for Schizophrenia?

A. Late onset of disease (Correct Answer)
B. Catatonia
C. Presence of depression
D. Absence of family history

Explanation: In Schizophrenia, prognosis is determined by the clinical presentation, onset, and social support system. **Explanation of the Correct Option:** * **Late onset of disease:** This is generally considered a **good** prognostic factor. Patients with a later onset (typically females) often have better premorbid functioning, more established social networks, and are more likely to present with paranoid subtypes rather than disorganized symptoms. * *Note on the Question:* There appears to be a discrepancy in the provided key. In standard psychiatric teaching (Kaplan & Sadock), **Early onset** (younger age) is a **bad** prognostic factor, while **Late onset** is a **good** prognostic factor. If the question identifies "Late onset" as the correct answer for a "bad" factor, it contradicts standard literature unless referring specifically to very late-onset schizophrenia-like psychosis which may involve organic decline. **Explanation of Incorrect Options:** * **Catatonia:** Historically, the catatonic subtype carries a **good** prognosis because it often responds rapidly to Benzodiazepines or ECT. * **Presence of depression:** Mood symptoms (depression or anxiety) are considered **good** prognostic factors as they indicate a higher level of affective involvement compared to "flat affect." * **Absence of family history:** A negative family history is a **good** prognostic factor. A strong genetic loading (positive family history) typically correlates with an earlier onset and a more chronic course. **High-Yield Clinical Pearls for NEET-PG:** * **Good Prognostic Factors:** Acute/Sudden onset, identifiable precipitating stressor, married status, positive symptoms (hallucinations/delusions), and female gender. * **Bad Prognostic Factors:** Insidious (gradual) onset, negative symptoms (apathy, withdrawal), single/divorced status, young age of onset, and frequent relapses. * **Most important predictor of function:** The severity of **negative symptoms** and cognitive impairment.

Question 74: Which subtype of schizophrenia carries the best prognosis?

A. Undifferentiated
B. Catatonic (Correct Answer)
C. Paranoid
D. Hebephrenic

Explanation: **Explanation:** The prognosis of schizophrenia is influenced by the age of onset, the nature of symptoms, and the speed of presentation. **Why Catatonic Schizophrenia is the Correct Answer:** Catatonic schizophrenia carries the **best prognosis** among all subtypes. This is primarily because it often presents with an **acute onset** and is frequently associated with identifiable precipitating stressors. From a clinical standpoint, catatonic symptoms (such as stupor, mutism, or excitement) show an excellent and rapid response to specific treatments, namely **Benzodiazepines (Lorazepam)** and **Electroconvulsive Therapy (ECT)**. **Analysis of Incorrect Options:** * **Paranoid Schizophrenia:** While it has a better prognosis than the hebephrenic type due to later age of onset and preserved cognitive function, it ranks second to the catatonic type. * **Hebephrenic (Disorganized) Schizophrenia:** This subtype carries the **worst prognosis**. It typically has an early (insidious) onset, significant personality deterioration, and poor emotional response (flat affect). * **Undifferentiated Schizophrenia:** This is a category for patients who do not fit clearly into other subtypes; its prognosis is generally intermediate but worse than the catatonic type. **NEET-PG High-Yield Pearls:** * **Best Prognosis:** Catatonic Subtype. * **Worst Prognosis:** Hebephrenic Subtype. * **Most Common Subtype:** Paranoid Subtype. * **Good Prognostic Factors:** Late onset, female sex, presence of mood symptoms (depression/anxiety), positive symptoms (hallucinations/delusions), and being married. * **Poor Prognostic Factors:** Early onset, male sex, negative symptoms (apathy/withdrawal), and a strong family history.

Question 75: Which of the following is not a Schneider's first-rank symptom of schizophrenia?

A. Passivity phenomenon
B. Auditory hallucinations
C. Delusion of self-reference (Correct Answer)
D. Delusional perception

Explanation: **Explanation:** Kurt Schneider identified a group of symptoms known as **First-Rank Symptoms (FRS)** which, in the absence of organic brain disease, were considered strongly suggestive of Schizophrenia. **Why "Delusion of self-reference" is the correct answer:** While delusions of reference (the belief that neutral events or coincidences have a special personal significance) are common in schizophrenia, they are **not** part of Schneider’s FRS. Schneider emphasized symptoms that involve a "blurring of boundaries" between the self and the environment. Delusions of reference are considered "Second-Rank Symptoms." **Analysis of Incorrect Options:** * **Passivity Phenomenon (Made Acts/Volition/Affect):** This is a core FRS where the patient feels their actions, feelings, or impulses are being controlled by an external force. * **Auditory Hallucinations:** Specifically, three types are FRS: **Third-person voices** (discussing the patient), **Running commentary** (narrating the patient's actions), and **Thought echo** (Gedankenlautwerden). * **Delusional Perception:** This is a two-stage process where a normal perception (e.g., seeing a red car) is suddenly given a private, idiosyncratic, and delusional meaning (e.g., "the red car means I am the chosen king"). This is a hallmark FRS. **High-Yield Clinical Pearls for NEET-PG:** * **Mnemonic for FRS (ABCD):** **A**uditory hallucinations (3 types), **B**roadcasting of thoughts, **C**ontrolled feelings/acts (Passivity), **D**elusional perception. * **Thought Alienation:** Includes Thought Insertion, Thought Withdrawal, and Thought Broadcasting. All are FRS. * **Current Status:** While historically significant, the DSM-5 has de-emphasized FRS because they lack diagnostic specificity (they can occur in bipolar disorder). * **Note:** Somatic passivity (feeling bodily sensations imposed by others) is also an FRS.

Question 76: Visual hallucinations are typically seen in which subtype of schizophrenia?

A. Hebephrenic schizophrenia (Correct Answer)
B. Residual schizophrenia
C. Simple schizophrenia
D. All of the above

Explanation: **Explanation:** **Hebephrenic Schizophrenia (Disorganized Schizophrenia)** is characterized by disorganized speech, disorganized behavior, and flat or inappropriate affect. While auditory hallucinations are the most common type across all schizophrenia subtypes, **visual hallucinations** are most frequently associated with the Hebephrenic subtype. This is often linked to the severe regression and primitive behavior seen in these patients, where sensory perceptions become highly fragmented. **Analysis of Options:** * **A. Hebephrenic Schizophrenia (Correct):** Patients often exhibit "silliness," shallow affect, and giggling. The hallucinations in this subtype are often fleeting, fragmentary, and more likely to involve visual elements compared to the Paranoid subtype. * **B. Residual Schizophrenia:** This stage occurs after at least one psychotic episode. It is characterized by "negative symptoms" (social withdrawal, emotional blunting) rather than active "positive symptoms" like hallucinations or delusions. * **C. Simple Schizophrenia:** This is a rare subtype characterized by the insidious development of negative symptoms without a history of overt psychotic symptoms (hallucinations or delusions). Therefore, visual hallucinations are absent by definition. **NEET-PG High-Yield Pearls:** * **Most common subtype overall:** Paranoid Schizophrenia (characterized by stable delusions and auditory hallucinations). * **Subtype with the best prognosis:** Paranoid Schizophrenia. * **Subtype with the worst prognosis:** Hebephrenic Schizophrenia (due to early onset and rapid cognitive decline). * **Schneider’s First Rank Symptoms (FRS):** These are diagnostic for schizophrenia but are **least** likely to be found in the Hebephrenic subtype. * **Visual Hallucinations:** If prominent, always rule out **Organic Brain Syndrome** (medical/toxic causes) first, as they are less common in functional psychoses than auditory ones.

Question 77: Catatonia is a type of:

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

Explanation: **Explanation:** **Catatonia** is a clinical syndrome characterized by a constellation of psychomotor disturbances, including motoric immobility (stupor), excessive motor activity, mutism, negativism, and posturing. Historically and traditionally in medical examinations like NEET-PG, Catatonia is classified as a subtype of **Schizophrenia** (Catatonic Schizophrenia). 1. **Why Schizophrenia is correct:** In the ICD-10 classification (still widely used for exam patterns), Catatonic Schizophrenia is one of the primary subtypes. It is characterized by prominent psychomotor disturbances that may alternate between extremes such as hyperkinesis and stupor, or automatic obedience and negativism. 2. **Why other options are incorrect:** * **Phobia:** This is an anxiety disorder characterized by irrational fear; it does not involve the gross motor disturbances seen in catatonia. * **Depression:** While catatonia can *occur* as a specifier in severe mood disorders (Catatonic Depression), it is not a "type" of depression itself. * **OCD:** This is characterized by obsessions and compulsions; it lacks the diagnostic motor features of catatonia. **High-Yield Clinical Pearls for NEET-PG:** * **Most Common Cause:** Although traditionally linked to Schizophrenia, the most common underlying cause of catatonia in modern clinical practice is actually **Mood Disorders** (specifically Bipolar Disorder). * **Drug of Choice:** The first-line treatment for Catatonia is **Lorazepam** (Benzodiazepines). This is known as the "Lorazepam Challenge Test." * **Definitive Treatment:** If medications fail, **Electroconvulsive Therapy (ECT)** is the most effective treatment. * **Key Signs:** Look for *Waxy Flexibility* (Cerea Flexibilitas), *Negativism*, and *Echolalia/Echopraxia* in clinical vignettes.

Question 78: Which of the following symptoms is likely to be of organic origin?

A. Delusion of guilt
B. Auditory hallucinations
C. Formal thought disorder
D. Prominent visual hallucination (Correct Answer)

Explanation: **Explanation:** In psychiatry, distinguishing between **Functional Psychosis** (e.g., Schizophrenia) and **Organic Psychosis** (e.g., Delirium, metabolic encephalopathy, or brain lesions) is a critical clinical skill. **Why Option D is correct:** **Visual hallucinations** are the hallmark of organic brain syndromes. While they can occur in functional disorders, their presence—especially when prominent, vivid, or occurring in a clear sensorium—should immediately raise suspicion of an underlying medical cause, such as substance withdrawal (Delirium Tremens), epilepsy, or neurotoxicity. **Analysis of Incorrect Options:** * **A. Delusion of Guilt:** This is a classic feature of **Psychotic Depression** (Functional). Patients believe they have committed unforgivable sins or are responsible for disasters. * **B. Auditory Hallucinations:** These are the most common type of hallucinations in functional psychiatric disorders, particularly **Schizophrenia** (specifically Schneiderian First Rank Symptoms). * **C. Formal Thought Disorder (FTD):** Characterized by disorganized thinking (e.g., loosening of associations), FTD is a core feature of **Schizophrenia** and is rarely the primary presentation of an organic condition. **High-Yield Clinical Pearls for NEET-PG:** * **Visual Hallucinations = Organic** until proven otherwise. * **Auditory Hallucinations = Functional** (Schizophrenia) until proven otherwise. * **Olfactory/Gustatory Hallucinations:** Strongly associated with **Temporal Lobe Epilepsy** (Uncinate fits). * **Tactile (Formication) Hallucinations:** Classically seen in **Cocaine** use (Cocaine bugs) or Alcohol withdrawal. * **Clouding of consciousness** is the most reliable indicator of an organic etiology (Delirium).

Question 79: In Schizophrenia, which subtype is associated with early onset and poor prognosis?

A. Simple Schizophrenia
B. Hebephrenic Schizophrenia (Correct Answer)
C. Catatonic Schizophrenia
D. Paranoid Schizophrenia

Explanation: **Explanation:** **Hebephrenic Schizophrenia** (also known as Disorganized Schizophrenia) is characterized by an **early onset** (typically between ages 15–25) and a **poor prognosis**. The clinical picture is dominated by disorganized speech, disorganized behavior, and flat or inappropriate affect (e.g., giggling without reason). The poor prognosis is attributed to the early onset, insidious progression, and the rapid development of "negative symptoms" and cognitive decline. **Analysis of Incorrect Options:** * **Simple Schizophrenia:** While it has an insidious onset and a very poor prognosis due to the absence of positive symptoms (hallucinations/delusions), it is characterized primarily by a slow decline in functioning and social withdrawal rather than the classic disorganized features of Hebephrenia. * **Catatonic Schizophrenia:** This subtype is characterized by psychomotor disturbances (stupor, waxy flexibility, or excitement). It generally has a **good prognosis** as it often responds rapidly to Benzodiazepines (Lorazepam) or Electroconvulsive Therapy (ECT). * **Paranoid Schizophrenia:** This is the most common subtype. It has a **late onset** (usually late 20s or 30s) and the **best prognosis** among all subtypes because the personality remains relatively preserved and patients respond well to antipsychotics. **High-Yield Clinical Pearls for NEET-PG:** * **Best Prognosis:** Paranoid Schizophrenia. * **Worst Prognosis:** Hebephrenic Schizophrenia. * **Most Common Subtype:** Paranoid Schizophrenia. * **Schneiderian First Rank Symptoms (SFRS):** These are diagnostic for schizophrenia but do not carry prognostic value. * **Prognostic Factors:** Acute onset, late age of onset, and presence of positive symptoms (hallucinations/delusions) indicate a **good prognosis**; insidious onset, early age, and negative symptoms indicate a **poor prognosis**.

Question 80: Which of the following is NOT a clinical manifestation of Schizophrenia?

A. Delusion
B. Altered sensorium (Correct Answer)
C. Auditory hallucinations
D. Catatonia

Explanation: **Explanation:** The correct answer is **B. Altered sensorium**. In psychiatry, **sensorium** refers to the state of consciousness and orientation (to time, place, and person). Schizophrenia is primarily a disorder of **thought, perception, and affect**, occurring in a state of **clear consciousness**. If a patient presents with psychotic symptoms (like delusions or hallucinations) alongside an altered sensorium or clouded consciousness, the clinician must first rule out **Organic Brain Syndromes** (e.g., Delirium) or substance-induced psychosis rather than a primary functional psychotic disorder like Schizophrenia. **Analysis of Incorrect Options:** * **A. Delusion:** These are fixed, false beliefs not amenable to change despite conflicting evidence. They are a "Positive Symptom" and a hallmark feature of Schizophrenia (e.g., delusions of persecution or reference). * **C. Auditory Hallucinations:** These are the most common type of hallucinations in Schizophrenia. Specifically, "Schneiderian First Rank Symptoms" like third-person voices commenting on the patient's actions are highly characteristic. * **D. Catatonia:** This is a state of psychomotor disturbance that can manifest as stupor, mutism, posturing, or waxy flexibility. While it can occur in mood disorders or medical conditions, it remains a recognized clinical subtype/specifier of Schizophrenia. **High-Yield Clinical Pearls for NEET-PG:** * **Schneider’s First Rank Symptoms (FRS):** Includes thought insertion, withdrawal, broadcast, and made phenomena. Their presence strongly suggests Schizophrenia but is not pathognomonic. * **Bleuler’s 4 A’s:** Fundamental symptoms of Schizophrenia—**A**ffective flattening, **A**mbivalence, **A**utism (social withdrawal), and **A**ssociative looseness. * **Visual Hallucinations:** If prominent, always suspect an organic cause (e.g., tumors, epilepsy, or drugs) rather than Schizophrenia.

Practice by Chapter

Schizophrenia: Epidemiology and Etiology

Practice Questions

Schizophrenia: Clinical Features

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Schizophrenia: Treatment

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Schizoaffective Disorder

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Delusional Disorders

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Brief Psychotic Disorder

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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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