Psychotic Disorders Practice Questions

Q: A teenager is diagnosed with schizophrenia. Which of the following is true for schizophrenia?

It is a disorder of thought. **Explanation:** **Schizophrenia** is primarily defined as a **disorder of thought**, characterized by a fundamental distortion of thinking, perception, and affect. In psychiatry, it is classified as a psychotic disorder where the patient loses touch with reality. The core pathology involves disturbances in the **form** (e.g., loosening of associations), **content** (e.g., delusions), and **stream** of thought. **Analysis of Options:** * **Option A (Correct):** Schizophrenia involves "Formal Thought Disorder." Patients exhibit symptoms like delusions (fixed false beliefs) and disorganized thinking, which are hallmark features of the disease. * **Option B (Incorrect):** This is a common myth. "Split personality" refers to **Dissociative Identity Disorder (DID)**. The "schizo" in schizophrenia refers to a "split" between emotion, thought, and behavior (intra-psychic ataxia), not multiple personalities. * **Option C & D (Incorrect):** While stress and trauma can act as "triggers" in genetically predisposed individuals (Stress-Diathesis Model), they are not the primary causes. Schizophrenia is a **neurodevelopmental disorder** with strong genetic and biological components (e.g., Dopamine hypothesis). **Clinical Pearls for NEET-PG:** * **Schneider’s First Rank Symptoms (FRS):** High-yield diagnostic criteria including audible thoughts, somatic passivity, and delusional perception. * **Bleuler’s 4 A’s:** Ambivalence, Autism, Affective flattening, and Associative looseness. * **Neurobiology:** Associated with increased dopaminergic activity in the mesolimbic pathway (positive symptoms) and decreased activity in the mesocortical pathway (negative symptoms). * **Prognosis:** Better prognosis is associated with late onset, female sex, and presence of positive symptoms.

Q: All of the following are associated with a better prognosis in schizophrenia except?

Negative symptoms. In schizophrenia, prognosis is determined by the clinical presentation, demographic factors, and the mode of onset. **Explanation of the Correct Answer:** **Option C (Negative Symptoms)** is associated with a **poor prognosis**. Negative symptoms (e.g., apathy, anhedonia, affective flattening, and poverty of speech) are often linked to structural brain changes (like ventricular enlargement), cognitive impairment, and a poor response to typical antipsychotics. These symptoms tend to be chronic and lead to significant social and occupational dysfunction. **Explanation of Incorrect Options:** * **A. Late onset:** Patients who develop schizophrenia later in life (typically females) tend to have better premorbid functioning and more mature coping mechanisms, leading to a better prognosis. * **B. Married status:** Being married is a proxy for good premorbid social adjustment and provides a strong social support system, both of which are positive prognostic indicators. * **D. Acute onset:** An abrupt onset (often triggered by a clear stressor) is associated with a better outcome compared to an insidious, slow onset, as it often responds more rapidly to treatment. **High-Yield Clinical Pearls for NEET-PG:** * **Good Prognostic Factors:** Female sex, positive symptoms (hallucinations/delusions), mood symptoms (depression/anxiety), and a family history of mood disorders. * **Poor Prognostic Factors:** Early onset (males), insidious onset, family history of schizophrenia, and frequent relapses. * **Key Fact:** The presence of **Positive Symptoms** (Type I Schizophrenia) generally predicts a better response to medication than **Negative Symptoms** (Type II Schizophrenia).

Q: Which of the following is NOT found in catatonic schizophrenia?

Somatic passivity. **Explanation:** The correct answer is **Somatic Passivity** because it is a **First Rank Symptom (FRS)** of Schizophrenia, specifically a disorder of the "experience of self" or "delusion of control," rather than a motor (catatonic) symptom. **1. Why Somatic Passivity is the correct answer:** Somatic passivity involves the patient’s belief that their body is being influenced or acted upon by an external agency (e.g., "aliens are sending electrical currents into my limbs"). While it is a hallmark of Schizophrenia (Schneiderian FRS), it is a **perceptual/delusional phenomenon**, not a motor sign of catatonia. **2. Analysis of Incorrect Options (Catatonic Features):** * **Waxy Flexibility (Cerea Flexibilitas):** A classic catatonic sign where the patient’s limbs can be molded into a position and held there for a long duration, resisting gravity. * **Automatic Obedience:** The patient follows every instruction from the examiner in a robot-like fashion, regardless of the nature of the request. * **Gegenhalten (Paratonia):** A form of "oppositional" negativism where the patient offers a resistance to passive movement that increases proportionally to the force applied by the examiner. **Clinical Pearls for NEET-PG:** * **Catatonia** is no longer considered a subtype of Schizophrenia in DSM-5; it is now a specifier that can occur across various psychiatric and medical conditions. * **Drug of Choice (DOC):** Lorazepam (Benzodiazepines) is the first-line treatment for catatonia (Lorazepam Challenge Test). * **Definitive Treatment:** Electroconvulsive Therapy (ECT) is highly effective if medications fail or if the condition is life-threatening (Malignant Catatonia). * **Ambitendence:** A catatonic sign where the patient makes conflicting movements (e.g., starts to shake hands but pulls back repeatedly).

Q: Which of the following symptoms of schizophrenia responds quickly to treatment with medication?

Auditory Hallucinations. In schizophrenia, symptoms are broadly categorized into **Positive symptoms** (excess or distortion of normal function) and **Negative symptoms** (diminution or loss of normal function). **Why Auditory Hallucinations is correct:** Auditory hallucinations are a hallmark **positive symptom**. The pathophysiology of positive symptoms is primarily linked to **dopaminergic hyperactivity** in the **mesolimbic pathway** [1]. Antipsychotic medications (both typical and atypical) work by blocking D2 receptors in this pathway. Because these medications directly target the neurochemical imbalance responsible for positive symptoms, patients often show a relatively rapid response (usually within days to a few weeks) regarding hallucinations and delusions [3]. **Why the other options are incorrect:** * **Apathy (A), Poverty of thought content (C), and Anhedonia (D)** are all **Negative symptoms** [3]. * Negative symptoms are associated with **dopaminergic hypoactivity** in the **mesocortical pathway** and structural brain changes (like ventricular enlargement) [1]. * These symptoms are notoriously resistant to conventional antipsychotics. While atypical antipsychotics (SGAs) may offer slight improvement due to serotonin-dopamine antagonism, negative symptoms generally persist long-term and respond much more slowly, if at all, compared to positive symptoms [2]. **NEET-PG High-Yield Pearls:** * **Schneider’s First Rank Symptoms (FRS):** Auditory hallucinations (specifically third-person or running commentary) are key FRS [3]. * **Prognosis:** The presence of predominant positive symptoms is a **good prognostic factor**, as they respond well to medication. Predominant negative symptoms indicate a **poor prognosis** [2]. * **Pathway Mnemonic:** **M**esolimbic = **M**adness (Positive symptoms); **M**esocortical = **M**ud/Muffled (Negative symptoms/Cognitive dulling).

Q: All of the following are considered as first rank symptoms of Schizophrenia EXCEPT?

Anhedonia. **Explanation:** The correct answer is **Anhedonia**. **Kurt Schneider** defined **First Rank Symptoms (FRS)** in 1959 to differentiate schizophrenia from other psychotic disorders. These symptoms are considered pathognomonic for schizophrenia in the absence of organic brain disease. **Anhedonia** (the inability to feel pleasure) is a **Negative Symptom** of schizophrenia, not a First Rank Symptom. Negative symptoms are more commonly associated with chronic schizophrenia and poor prognosis but lack the diagnostic specificity of FRS. **Analysis of Options:** * **Thought Broadcast (Option A):** This is a "Thought Alienation" symptom where the patient believes their private thoughts are being transmitted to others via external media (radio, TV, or air). It is a classic FRS. * **Third Person Auditory Hallucination (Option B):** This involves hearing voices talking *about* the patient in the third person or voices providing a running commentary on the patient's actions. This is a hallmark FRS. * **Somatic Passivity (Option C):** This is a "Made Phenomenon" where the patient believes their body is being acted upon by an external force, often involving strange physical sensations imposed from outside. It is a core FRS. **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. * **ICD-11 & DSM-5 Update:** While historically significant, the diagnostic importance of FRS has been de-emphasized in newer classifications (DSM-5) because they are not entirely specific to schizophrenia (can occur in Bipolar Disorder). * **Negative Symptoms (The 5 A's):** Anhedonia, Affective flattening, Alogia, Avolition, and Asociality. These are *not* Schneiderian FRS.

Q: What are the most important receptors involved in schizophrenia?

D2. **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.

Q: Erotomania is a?

Delusional disorder. **Explanation:** **Erotomania** (also known as **de Clérambault’s Syndrome**) is a subtype of **Delusional Disorder**. It is characterized by the fixed, false belief that another person—usually of higher social status, a celebrity, or a public figure—is deeply in love with the patient. Despite clear evidence to the contrary, the patient maintains this conviction and often attempts to contact the object of their affection. **Why the other options are incorrect:** * **Mood Disorders:** While mood symptoms can sometimes coexist, erotomania is primarily a disorder of thought content (delusion) rather than a primary disturbance of affect (like Depression or Bipolar Disorder). * **Impulse Control Disorders:** These involve a failure to resist an urge or temptation (e.g., Kleptomania). While an erotomanic patient may act impulsively to reach their "lover," the core pathology is the delusion itself. * **Personality Disorders:** These are enduring, pervasive patterns of inner experience and behavior. While certain personalities (like Paranoid) may predispose one to delusional thinking, Erotomania is classified as a specific psychotic disorder. **High-Yield Clinical Pearls for NEET-PG:** * **Demographics:** It is more commonly diagnosed in females, though males may exhibit more aggressive or stalking behaviors. * **DSM-5 Criteria:** For a diagnosis of Delusional Disorder, the delusion must persist for **at least 1 month**, and the patient’s global functioning is otherwise not markedly impaired. * **Management:** The primary treatment involves **Antipsychotics** (e.g., Risperidone) and psychotherapy to manage social consequences. * **Key Association:** It is often categorized under "Paranoid Disorders" in older texts but remains a classic example of a **non-bizarre delusion**.

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

Occurs at an early age. ### 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).

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

Thought. **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 1

A teenager is diagnosed with schizophrenia. Which of the following is true for schizophrenia?

Accepted Answer

It is a disorder of thought

Answer

It causes split personality

Answer

It is due to emotional turmoil

Answer

It is due to childhood trauma

Question 2

All of the following are associated with a better prognosis in schizophrenia except?

Accepted Answer

Negative symptoms

Answer

Late onset

Answer

Married status

Answer

Acute onset

Question 3

Which of the following is NOT found in catatonic schizophrenia?

Accepted Answer

Somatic passivity

Answer

Waxy flexibility

Answer

Automatic obedience

Answer

Gegenhalten

Question 4

Which of the following symptoms of schizophrenia responds quickly to treatment with medication?

Accepted Answer

Auditory Hallucinations

Answer

Apathy

Answer

Poverty of thought content

Answer

Anhedonia

Question 5

What is the duration required for the diagnosis of acute and transient psychosis?

Accepted Answer

2 weeks

Answer

1 week

Answer

1 month

Answer

6 months

Question 6

All of the following are considered as first rank symptoms of Schizophrenia EXCEPT?

Accepted Answer

Anhedonia

Answer

Thought broadcast

Answer

Third person auditory hallucination

Answer

Somatic passivity

Question 7

What are the most important receptors involved in schizophrenia?

Accepted Answer

D2

Answer

GABAA

Answer

GABA

Answer

5-HT

Question 8

Erotomania is a?

Accepted Answer

Delusional disorder

Answer

Mood disorder

Answer

Impulse control disorder

Answer

Personality disorder

Question 9

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

Accepted Answer

Occurs at an early age

Answer

Early immigration

Answer

Social isolation

Answer

Sensory impairment

Question 10

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

Accepted Answer

Thought

Answer

Mood

Answer

Perception

Answer

Cognition

Psychotic Disorders — MCQs

Psychotic Disorders — MCQs

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