Psychotic Disorders Practice Questions

Q: Which of the following is a delusion of persecution?

Delusion of being cheated. **Explanation:** **Delusion of persecution** is the most common type of delusion. It involves the false, fixed belief that one is being harmed, harassed, conspired against, or obstructed by others (individuals or groups). 1. **Why Option B is Correct:** The **delusion of being cheated**, spied upon, poisoned, or followed are all classic manifestations of persecutory delusions. The patient believes that external forces are intentionally acting to disadvantage or harm them. 2. **Analysis of Incorrect Options:** * **Option A (Delusion of Jealousy):** Also known as **Othello Syndrome**, this is the false belief that one’s spouse or partner is unfaithful. While it involves suspicion, it is categorized separately from general persecution. * **Option C (Delusion of a defective body part):** This is a **Somatic Delusion** (specifically Monosymptomatic Hypochondriacal Psychosis). The patient believes a part of their body is misshapen, malfunctioning, or emitting a foul odor. * **Option D (Delusion of Love):** Also known as **Erotomania** or **De Clerambault’s Syndrome**, this is the belief that another person (usually of higher social status) is in love with the patient. **High-Yield Clinical Pearls for NEET-PG:** * **Most common delusion in Schizophrenia:** Delusion of Persecution. * **Schneiderian First Rank Symptoms (FRS):** Delusional perception is a key FRS, but persecutory delusions are *not* pathognomonic for schizophrenia as they occur in various psychoses. * **Nihilistic Delusion (Cotard’s Syndrome):** Belief that one is dead, non-existent, or the world is ending; typically seen in severe agitated depression. * **Capgras Syndrome:** A "delusional misidentification" where the patient believes a familiar person has been replaced by an identical impostor.

Q: All of the following are Schneider's first rank symptoms EXCEPT:

Delusion of guilt. **Explanation:** Kurt Schneider’s **First Rank Symptoms (FRS)** are a group of specific auditory hallucinations and delusions that, while not pathognomonic, are highly suggestive of **Schizophrenia** in the absence of organic brain disease. **Why "Delusion of Guilt" is the correct answer:** Delusion of guilt is a **Second Rank Symptom**. It is more commonly associated with **Severe Depressive Episodes with Psychotic Features** (Melancholic Depression) rather than being a core diagnostic feature of Schizophrenia. **Analysis of Incorrect Options:** * **Running Commentary (Option A):** A classic FRS where the patient hears voices describing their actions as they happen (e.g., "He is now opening the door"). * **Primary Delusion (Option B):** Also known as an **Autochthonous delusion**, this is a "bolt from the blue" belief that arises without any preceding sensory event. It is a hallmark FRS. * **Thought Insertion (Option C):** A "Passivity Phenomenon" where the patient believes thoughts are being put into their mind by an external agency. **High-Yield Clinical Pearls for NEET-PG:** * **Mnemonic for FRS (ABCD):** * **A**uditory Hallucinations (Third person, Running commentary, Echo/Gedankenlautwerden). * **B**roadcasting of thoughts (and Insertion/Withdrawal). * **C**ontrolled feelings/impulses (Passivity/Made phenomena). * **D**elusional Perception (Attributing a private, abnormal meaning to a normal perception). * **ICD-11/DSM-5 Update:** While historically vital, FRS have been de-emphasized in recent diagnostic criteria because they lack high specificity (they can occur in bipolar disorder). * **Somatic Passivity:** The belief that bodily sensations are being imposed by an external force is also an FRS.

Q: Who proposed the concept of the paranoid pseudocommunity?

Norman Cameron. The concept of the **paranoid pseudocommunity** was proposed by **Norman Cameron** in 1943. According to Cameron, this is a psychological construct developed by a paranoid individual who lacks basic trust and misinterprets the actions of others. Due to impaired social communication, the individual weaves together real and imaginary people into a complex, organized "community" that they believe is conspiring against them. This "pseudocommunity" provides a perceived structure to their delusions of persecution, justifying their defensive or aggressive reactions. **Analysis of Incorrect Options:** * **B. K. Schneider:** Known for defining the **First Rank Symptoms (FRS)** of Schizophrenia, which are pivotal in clinical diagnosis but unrelated to the pseudocommunity concept. * **C. Benedict Morel:** A French psychiatrist who coined the term **"Démence précoce"** (early dementia) to describe what we now know as schizophrenia, focusing on its deteriorating course. * **D. Eugene Bleuler:** He replaced Morel’s term with **"Schizophrenia"** and described the **"4 As"** (Association, Affect, Ambivalence, and Autism) as the primary symptoms of the disorder. **Clinical Pearls for NEET-PG:** * **Norman Cameron** also described **"Asyndesis"** (a lack of logical connection between thoughts) and **"Metonyms"** (use of imprecise words), which are features of schizophrenic thought disorders. * The paranoid pseudocommunity is a classic example of how **social isolation** and **faulty social learning** contribute to the systematization of delusions. * Remember: **Schneider = FRS**; **Bleuler = 4 As**; **Morel = Démence précoce**; **Cameron = Pseudocommunity.**

Q: What is the most common type of delusion?

Delusion of persecution. **Explanation:** **Delusion of persecution** is the most common type of delusion across various psychiatric conditions, particularly in Schizophrenia and Delusional Disorders. It involves the false, fixed belief that one is being harassed, followed, cheated, poisoned, or conspired against by individuals or groups. This is a core symptom of the paranoid subtype of schizophrenia and is frequently encountered in clinical practice globally. **Analysis of Options:** * **Delusion of persecution (Correct):** Statistically the most prevalent delusion. It is characterized by the patient feeling that harm is occurring or is going to occur to them. * **Delusion of reference (Incorrect):** This is the belief that neutral external events (like a news report or a stranger’s conversation) have a special personal significance. While very common in schizophrenia, it is statistically less frequent than persecutory delusions. * **Paranoid delusion (Incorrect):** This is a broad umbrella term that encompasses delusions of persecution, reference, and jealousy. In exams, when "persecution" is an option, it is the more specific and correct answer. * **Delusion of guilt (Incorrect):** This is a "depressive delusion" (holothymic) commonly seen in severe Major Depressive Disorder with psychotic features or Melancholic Depression, rather than primary psychotic disorders. **Clinical Pearls for NEET-PG:** * **Most common hallucination:** Auditory (especially in Schizophrenia). * **Most common type of Auditory Hallucination:** Third-person (discussing the patient). * **Bizarre Delusions:** A hallmark of Schizophrenia (e.g., "Aliens have replaced my internal organs with sensors"). * **Nihilistic Delusions (Cotard Syndrome):** Belief that one is dead or their organs have ceased to exist; seen in severe depression. * **Capgras Syndrome:** The delusion that a familiar person has been replaced by an identical impostor.

Q: Van Gogh syndrome is seen in which of the following conditions?

Schizophrenia. **Explanation:** **Van Gogh Syndrome** refers to a condition where an individual performs **self-mutilation** (specifically cutting off a body part), usually in response to command hallucinations or intense delusional beliefs. It is named after the famous painter Vincent van Gogh, who famously cut off his own ear. 1. **Why Schizophrenia is correct:** This syndrome is most commonly associated with **Schizophrenia**, particularly the paranoid subtype. Patients may experience **command auditory hallucinations** (voices telling them to harm themselves) or **somatic delusions** that lead them to believe a body part is diseased or possessed, necessitating its removal. 2. **Why other options are incorrect:** * **Mania:** While patients in a manic episode may exhibit impulsivity or agitation, organized self-mutilation based on psychotic imperatives is not a hallmark feature. * **Depression:** While self-harm (suicidality) is common in depression, the specific act of surgical-like self-mutilation (Van Gogh Syndrome) is distinct from typical depressive self-injury. * **OCD:** OCD involves repetitive compulsions to neutralize anxiety. While "Body Dysmorphic Disorder" (related to OCD) involves preoccupation with flaws, it rarely leads to the acute self-amputation seen in Van Gogh Syndrome. **Clinical Pearls for NEET-PG:** * **Diogenes Syndrome:** Characterized by extreme self-neglect, social withdrawal, and hoarding (often seen in the elderly/dementia). * **Cotard Syndrome:** The "Walking Corpse" delusion; the belief that one is dead or their organs are missing (seen in severe Depression/Schizophrenia). * **Capgras Syndrome:** The delusion that a familiar person has been replaced by an identical impostor. * **Fregoli Syndrome:** The belief that different people are actually a single person in disguise.

Q: Which of the following is NOT characteristic of Type I Schizophrenia?

CT, MRI shows enlarged ventricles. This question tests your knowledge of **Crow’s Classification of Schizophrenia**, which divides the disorder into Type I and Type II based on clinical features, pathophysiology, and prognosis. ### **Explanation of the Correct Answer** **Option B** is the correct answer because **enlarged ventricles** (and other structural brain abnormalities like cortical atrophy) are characteristic of **Type II Schizophrenia**, not Type I. * **Type I (Positive Schizophrenia):** This is characterized by a "hyperdopaminergic" state. There are no significant structural changes on CT or MRI. Because the underlying pathology is biochemical (excess dopamine), these patients respond well to antipsychotics. * **Type II (Negative Schizophrenia):** This is characterized by "structural brain changes." Enlarged lateral ventricles and widened sulci are hallmark findings. These patients have a poor response to traditional neuroleptics. ### **Analysis of Incorrect Options** * **Option A (Positive symptoms):** This is a core feature of Type I. It includes hallucinations, delusions, and thought disorders. * **Option C (Good prognosis):** Type I is associated with an acute onset, preserved intellectual functions, and a good response to medication, leading to a generally better prognosis compared to Type II. ### **NEET-PG High-Yield Pearls: Crow’s Classification** | Feature | Type I (Positive) | Type II (Negative) | | :--- | :--- | :--- | | **Symptoms** | Hallucinations, Delusions | Apathy, Withdrawal, Poverty of speech | | **Pathology** | Increased Dopamine receptors | **Cell loss / Ventricular enlargement** | | **Response to Rx** | Good | Poor | | **Prognosis** | Reversible/Good | Irreversible/Poor | | **Intellect** | Preserved | Impaired | **Clinical Note:** In NEET-PG, remember that **Type II** is often associated with "the 5 A's": Affective flattening, Alogia, Avolition, Anhedonia, and Attention deficit.

Q: What is the most common delusion seen in schizophrenia?

Persecution. **Explanation:** **1. Why Persecution is Correct:** Delusions of persecution (or paranoid delusions) are the most frequently encountered subtype of delusions in patients with schizophrenia. In this state, the patient falsely believes that individuals, groups, or organizations are plotting against them, spying on them, or intending to cause them physical or mental harm. This is a hallmark feature of **Paranoid Schizophrenia**, which is the most common clinical subtype of the disorder worldwide. **2. Analysis of Incorrect Options:** * **B. Grandiose:** These involve beliefs of inflated self-worth, power, or special identity. While common in the manic phase of Bipolar Disorder, they are less frequent in schizophrenia than persecutory themes. * **C. Reference:** The belief that neutral environmental cues (e.g., a news anchor’s tie or a song on the radio) have a special personal meaning. While highly characteristic of schizophrenia, it is statistically less common than persecution. * **D. Nihilistic:** The belief that oneself, others, or the world does not exist. This is most classically associated with **Cotard Syndrome** and severe psychotic depression, rather than schizophrenia. **3. NEET-PG Clinical Pearls:** * **Most common type of Hallucination in Schizophrenia:** Auditory (specifically third-person hallucinations). * **Schneiderian First Rank Symptoms (FRS):** These are highly suggestive of schizophrenia and include thought insertion, withdrawal, broadcast, and "made" phenomena. * **Prognosis:** Paranoid schizophrenia (dominated by persecutory delusions) generally has a **better prognosis** compared to the hebephrenic (disorganized) subtype. * **Capgras Syndrome:** A specific "delusional misidentification" where the patient believes a familiar person has been replaced by an identical impostor.

Question 1

Which of the following is a delusion of persecution?

Accepted Answer

Delusion of being cheated

Answer

Delusion of jealousy

Answer

Delusion of a defective body part

Answer

Delusion of love

Question 2

All of the following are Schneider's first rank symptoms EXCEPT:

Accepted Answer

Delusion of guilt

Answer

Running commentary

Answer

Primary delusion

Answer

Thought insertion

Question 3

Who proposed the concept of the paranoid pseudocommunity?

Accepted Answer

Norman Cameron

Answer

K. Schneider

Answer

Benedict Morel

Answer

Eugene Bleuler

Question 4

A 41-year-old woman believes her management has falsely accused her of incompetence and forged her signature on documents to incriminate her. She has reported this to the police and requested security, yet continues to perform her work duties and manage her household. What is she most likely suffering from?

Accepted Answer

Persistent Delusional Disorder

Answer

Paranoid Schizophrenia

Answer

Late onset Psychosis

Answer

Obsessive Compulsive Disorder

Question 5

What is the most common type of delusion?

Accepted Answer

Delusion of persecution

Answer

Delusion of reference

Answer

Paranoid delusion

Answer

Delusion of guilt

Question 6

Capgras syndrome is more common in which of the following conditions?

Accepted Answer

Paranoid schizophrenia

Answer

Obsessive compulsive disorder

Answer

Hysteria

Answer

Schizoid personality disorder

Question 7

Van Gogh syndrome is seen in which of the following conditions?

Accepted Answer

Schizophrenia

Answer

Mania

Answer

Depression

Answer

OCD

Question 8

Which of the following is NOT characteristic of Type I Schizophrenia?

Accepted Answer

CT, MRI shows enlarged ventricles

Answer

Positive symptoms

Answer

Good prognosis

Answer

None of the above

Question 9

A 25-year-old male patient presents with eccentric behavior for 3 years. He is unemployed and has difficulty with self-care, such as bathing and eating. He complains of auditory hallucinations and talking to himself when alone. On examination, he exhibits a flat affect, inappropriate emotions, and disorganized behavior, along with suicidal ideation. What is the most appropriate diagnosis?

Accepted Answer

Hebephrenic schizophrenia

Answer

Paranoid schizophrenia

Answer

Catatonic schizophrenia

Answer

Undifferentiated schizophrenia

Question 10

What is the most common delusion seen in schizophrenia?

Accepted Answer

Persecution

Answer

Grandiose

Answer

Reference

Answer

Nihilistic

Psychotic Disorders — MCQs

Psychotic Disorders — MCQs

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