Psychotic Disorders — MCQs

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?

Q225Easy

Suicidal tendencies are seen in which of the following conditions?

Q226Easy

What is the most common type of delusion?

Q227Easy

What is the preferred medication for treating resistant schizophrenia?

Q228Medium

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

Q229Easy

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

Q230Easy

In schizophrenia, what is considered a characteristic feature?

Psychotic Disorders Indian Medical PG Practice Questions and MCQs

Question 221: Catatonia is characterized by all of the following except?

A. Echolalia
B. Grandiosity (Correct Answer)
C. Mutism
D. Echolalia

Explanation: **Explanation:** Catatonia is a neuropsychiatric syndrome characterized by a cluster of motor, behavioral, and emotional disturbances. It is most commonly associated with mood disorders (like Bipolar Disorder or Depression) and Schizophrenia. **Why Grandiosity is the correct answer:** **Grandiosity** (Option B) is a symptom of **Mania** (specifically seen in Bipolar Disorder) or certain types of Delusional Disorders. It refers to an inflated sense of self-importance, power, or knowledge. While catatonia can occur during a manic episode, grandiosity itself is a disturbance of **thought content**, whereas catatonia is primarily a disturbance of **psychomotor function**. Therefore, grandiosity is not a diagnostic feature of catatonia. **Analysis of other options:** * **Echolalia (Options A & D):** This is the pathological, senseless repetition of words or phrases spoken by another person. It is a classic "automatic obedience" feature of catatonia. * **Mutism (Option C):** This refers to the absence or near-absence of verbal responses despite the physical ability to speak. It is one of the most common clinical signs of catatonic patients. **High-Yield Clinical Pearls for NEET-PG:** * **Drug of Choice:** Benzodiazepines (specifically **Lorazepam**) are the first-line treatment (the "Lorazepam Challenge Test" is used for diagnosis). * **Definitive Treatment:** Electroconvulsive Therapy (ECT) is highly effective for refractory cases or life-threatening "Malignant Catatonia." * **Key Signs to Remember:** * **Waxy Flexibility (Cerea Flexibilitas):** Maintaining a posture imposed by the examiner. * **Negativism:** Resistance to all instructions or physical attempts to be moved. * **Echopraxia:** Mimicking the movements of the examiner. * **Ambitendence:** The patient appears stuck in a "hesitation" loop between two movements.

Question 222: Which of the following statements regarding formal thought disorder is true?

A. It is found only in schizophrenia
B. It may be found in bipolar patients (Correct Answer)
C. Delusions are a form of thought disorder
D. Ideas of reference are a form of thought disorder

Explanation: **Explanation:** **1. Why Option B is Correct:** Formal Thought Disorder (FTD) refers to a disturbance in the **form or structure** of thinking (how a person thinks) rather than the content. While classically associated with schizophrenia, FTD is not pathognomonic. It is frequently observed in the **manic phase of Bipolar Disorder**, where patients exhibit "flight of ideas"—a rapid shifting from one topic to another based on understandable associations or wordplay (clanging). **2. Why Other Options are Incorrect:** * **Option A:** FTD is not exclusive to schizophrenia. It can occur in mania, organic brain syndromes (delirium), and occasionally in severe depression or schizoaffective disorders. * **Option C & D:** These are disorders of **thought content**, not form. * **Delusions** are fixed, false beliefs. * **Ideas of reference** are false beliefs that random events or coincidences have a strong personal significance. * In psychiatry, thought disorders are classified into: 1. **Form:** (e.g., Loosening of associations, knight’s move thinking). 2. **Content:** (e.g., Delusions, obsessions, phobias). 3. **Stream/Flow:** (e.g., Pressure of speech, thought block). 4. **Possession:** (e.g., Thought insertion, withdrawal, broadcasting). **Clinical Pearls for NEET-PG:** * **Loosening of Associations (Derailment):** The hallmark of FTD in schizophrenia; lack of logical connection between sentences. * **Flight of Ideas:** Characteristic of Mania; thoughts are connected but move rapidly. * **Knight’s Move Thinking:** A severe form of derailment where the transition between topics is illogical and unpredictable. * **Neologism:** Coining new words with private meanings; highly suggestive of schizophrenia.

Question 223: What is a characteristic clinical manifestation of schizophrenia?

A. Confusion
B. Anxiety
C. Auditory hallucinations (Correct Answer)
D. Visual hallucinations

Explanation: **Explanation:** **Schizophrenia** is a chronic psychotic disorder characterized by a constellation of "positive" and "negative" symptoms. Among the positive symptoms, **auditory hallucinations** are the most common and characteristic type of perceptual disturbance. These typically manifest as voices (running commentaries or third-person discussions) and are a hallmark feature used in diagnostic criteria (ICD-11 and DSM-5). **Analysis of Options:** * **Auditory Hallucinations (Correct):** These are the most frequent sensory modality involved in schizophrenia. Specifically, "Schneiderian First Rank Symptoms," such as hearing one's thoughts spoken aloud (thought echo) or voices arguing, are highly suggestive of the diagnosis. * **Confusion (Incorrect):** Schizophrenia usually occurs in a state of **clear consciousness**. The presence of confusion or clouding of sensorium points toward an organic etiology, such as Delirium. * **Anxiety (Incorrect):** While patients with schizophrenia may experience anxiety, it is a non-specific symptom found in almost all psychiatric disorders and is not a core diagnostic feature. * **Visual Hallucinations (Incorrect):** While they can occur in schizophrenia, they are much less common than auditory ones. Their presence should always prompt a clinician to rule out **organic brain syndromes**, substance withdrawal, or metabolic encephalopathy. **Clinical Pearls for NEET-PG:** * **Most common hallucination in Schizophrenia:** Auditory. * **Most common hallucination in Organic Brain Syndrome:** Visual. * **Most common hallucination in Alcohol Withdrawal:** Visual (e.g., Lilliputian hallucinations). * **Tactile Hallucinations:** Commonly associated with Cocaine use (Cocaine bugs/Magnan’s sign). * **Olfactory Hallucinations:** Often associated with Temporal Lobe Epilepsy.

Question 224: 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?

A. Paranoid Schizophrenia
B. Late onset Psychosis
C. Persistent Delusional Disorder (Correct Answer)
D. Obsessive Compulsive Disorder

Explanation: ### Explanation **1. Why Persistent Delusional Disorder (PDD) is correct:** The core feature of PDD is the presence of one or more **non-bizarre delusions** (situations that could occur in real life, such as being followed, poisoned, or deceived) lasting for at least one month. The hallmark of this condition is the **preservation of personality and functionality**. Despite her persecutory beliefs regarding her management, the patient continues to perform her work duties and manage her household effectively. Unlike schizophrenia, there is a conspicuous absence of hallucinations, thought disorders, or significant functional decline. **2. Why the other options are incorrect:** * **Paranoid Schizophrenia:** While it involves persecutory delusions, it is typically characterized by bizarre delusions, prominent auditory hallucinations, and a significant **deterioration in social and occupational functioning**. * **Late-onset Psychosis:** This is a broad term usually referring to schizophrenia-like symptoms appearing after age 40. However, PDD is a more specific diagnosis when the clinical picture is limited to a stable delusional system without other psychotic symptoms. * **Obsessive-Compulsive Disorder (OCD):** OCD involves intrusive thoughts (obsessions) recognized as the patient's own and repetitive behaviors (compulsions). The patient in the vignette has a fixed false belief (delusion) which she believes to be true, not an ego-dystonic obsession. **Clinical Pearls for NEET-PG:** * **Age of Onset:** PDD typically occurs in middle to late life (mean age ~40 years). * **Functioning:** "Encapsulated delusions"—the patient functions well except when the specific delusional theme is touched upon. * **Types:** Persecutory (most common), Jealous (Othello syndrome), Erotomanic (De Clerambault syndrome), Somatic, and Grandiose. * **Treatment:** PDD is notoriously difficult to treat; atypical antipsychotics are used, but the therapeutic alliance is the most critical factor.

Question 225: Suicidal tendencies are seen in which of the following conditions?

A. Depression
B. Substance abuse
C. Schizophrenia
D. All of the above (Correct Answer)

Explanation: **Explanation:** The correct answer is **D. All of the above**. Suicidal ideation and completed suicide are significant risks across a broad spectrum of psychiatric disorders, not just mood disorders. 1. **Depression:** This is the most common condition associated with suicide. The risk is highest when a patient has feelings of profound hopelessness, worthlessness, or during the early recovery phase when their energy levels improve before their mood does. 2. **Substance Abuse:** Alcohol and drug abuse significantly increase suicide risk due to increased impulsivity, impaired judgment, and the "depressant" effects of substances. Co-morbidity with other mental illnesses further escalates this risk. 3. **Schizophrenia:** Approximately 5-10% of patients with schizophrenia die by suicide. High-risk periods include the post-psychotic depression phase, early stages of the illness (especially in high-functioning individuals who realize their decline), and when experiencing "command hallucinations" (voices telling them to harm themselves). **Clinical Pearls for NEET-PG:** * **Single most important risk factor for suicide:** A previous suicide attempt. * **Most common method of completed suicide (Global/India):** Hanging (previously poisoning/pesticides in rural India). * **SAD PERSONS Scale:** A high-yield mnemonic used to assess suicide risk (Sex, Age, Depression, Previous attempt, Ethanol, Rational thinking loss, Social support lacking, Organized plan, No spouse, Sickness). * **Paradoxical Suicide:** Refers to suicide occurring when a depressed patient starts treatment (Antidepressants/ECT) and gains the physical energy to carry out a plan before the depressive thoughts resolve.

Question 226: What is the most common type of delusion?

A. Delusion of reference
B. Paranoid delusion
C. Delusion of guilt
D. Delusion of persecution (Correct Answer)

Explanation: **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.

Question 227: What is the preferred medication for treating resistant schizophrenia?

A. Chlorpromazine
B. Haloperidol
C. Loxapine
D. Clozapine (Correct Answer)

Explanation: ### Explanation **Correct Answer: D. Clozapine** **Why Clozapine is the Correct Choice:** Clozapine is the **gold standard** and the only FDA-approved medication for **treatment-resistant schizophrenia**. Resistance is clinically defined as a lack of satisfactory clinical improvement despite the use of adequate doses of at least two different antipsychotics (at least one being an atypical) for a duration of 4–6 weeks each. Unlike other antipsychotics that primarily block $D_2$ receptors, Clozapine has a unique profile with a high affinity for $D_4$ and $5-HT_{2A}$ receptors and a relatively low affinity for $D_2$. This allows it to reduce both positive and negative symptoms effectively while carrying a lower risk of Extrapyramidal Side Effects (EPS). **Why Other Options are Incorrect:** * **A. Chlorpromazine:** A low-potency typical antipsychotic. While historically significant as the first antipsychotic, it is not effective for resistant cases and carries significant sedative and anticholinergic side effects. * **B. Haloperidol:** A high-potency typical antipsychotic. It is a potent $D_2$ blocker used for acute psychosis but is associated with a high incidence of EPS and is generally ineffective in treatment-resistant scenarios. * **C. Loxapine:** A mid-potency typical antipsychotic (dibenzoxazepine class). While structurally related to Clozapine, it lacks the superior efficacy required for resistant schizophrenia. **High-Yield Clinical Pearls for NEET-PG:** * **Agranulocytosis:** The most dreaded side effect (occurs in ~1%). Mandatory **ANC (Absolute Neutrophil Count)** monitoring is required (Weekly for the first 6 months). * **Seizures:** Clozapine significantly lowers the seizure threshold in a dose-dependent manner. * **Sialorrhea:** Paradoxical hypersalivation is a common, highly characteristic side effect. * **Myocarditis:** A rare but fatal side effect; monitor for chest pain or tachycardia in the first month. * **Metabolic Syndrome:** Clozapine carries the highest risk of weight gain and diabetes among all antipsychotics.

Question 228: Capgras syndrome is more common in which of the following conditions?

A. Obsessive compulsive disorder
B. Paranoid schizophrenia (Correct Answer)
C. Hysteria
D. Schizoid personality disorder

Explanation: **Explanation:** **Capgras Syndrome**, also known as the "illusion of doubles," is a delusional misidentification syndrome. It is characterized by the delusional belief that a person close to the patient (usually a spouse or family member) has been replaced by an identical-looking impostor. 1. **Why Paranoid Schizophrenia is correct:** Capgras syndrome is most frequently associated with **Paranoid Schizophrenia**, where it manifests as a complex persecutory or bizarre delusion. It arises from a disconnection between the visual recognition system and the emotional processing center (amygdala), leading the patient to recognize the face but feel no emotional "glow," concluding the person must be a fake. It is also seen in organic brain syndromes like Lewy Body Dementia and Traumatic Brain Injury. 2. **Why other options are incorrect:** * **OCD:** Characterized by ego-dystonic intrusive thoughts and compulsions, not fixed false beliefs (delusions). * **Hysteria (Dissociative/Conversion Disorder):** Involves loss of physical function or identity due to psychological distress, but does not typically involve misidentification delusions. * **Schizoid Personality Disorder:** Characterized by social detachment and restricted emotional expression. While these patients are solitary, they do not lose touch with reality or experience delusions unless they transition into a psychotic state. **High-Yield Clinical Pearls for NEET-PG:** * **Fregoli Syndrome:** The opposite of Capgras; the belief that different strangers are actually a single familiar person in disguise. * **Intermetamorphosis:** The belief that people have swapped identities with each other both physically and psychologically. * **Cotard Syndrome:** The "walking corpse" delusion; the belief that one is dead, putrefying, or has lost internal organs. * **Treatment:** Primarily involves antipsychotics (e.g., Risperidone) and treating the underlying organic cause if present.

Question 229: Van Gogh syndrome is seen in which of the following conditions?

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

Explanation: **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.

Question 230: In schizophrenia, what is considered a characteristic feature?

A. Formal thought disorder (Correct Answer)
B. Delusion
C. Hallucination
D. Apathy

Explanation: ### Explanation **1. Why Formal Thought Disorder (FTD) is the Correct Answer:** In the context of schizophrenia, **Formal Thought Disorder** is considered a "characteristic" or "core" feature because it represents a fundamental disturbance in the *form* and *structure* of thinking, rather than just the content. While delusions and hallucinations are common, FTD (e.g., loosening of associations, knight’s move thinking, or word salad) reflects the underlying cognitive fragmentation that is hallmark to the schizophrenic process. According to Bleuler’s "4 As," **Association disturbance** (a type of FTD) is a primary symptom. **2. Analysis of Incorrect Options:** * **B. Delusion & C. Hallucination:** These are **First Rank Symptoms (FRS)** according to Schneider and are highly suggestive of schizophrenia. However, they are not *unique* to it. They occur frequently in organic psychoses, bipolar disorder with psychotic features, and severe depression. Therefore, they are "diagnostic" but less "characteristic" of the specific cognitive pathology of schizophrenia than FTD. * **D. Apathy:** This is a **Negative Symptom**. While highly prevalent in chronic schizophrenia and a major cause of functional disability, apathy is also a common feature of clinical depression and various neurological disorders (e.g., frontal lobe dementia), making it non-specific. **3. Clinical Pearls for NEET-PG:** * **Bleuler’s 4 As:** Association disturbance (FTD), Affective flattening, Autism, and Ambivalence. * **Schneider’s First Rank Symptoms (FRS):** Includes audible thoughts, voices arguing/commenting, somatic passivity, thought withdrawal/insertion/broadcast, and delusional perception. * **High-Yield Fact:** Loosening of associations is the most common FTD seen in schizophrenia. If "Thought Broadcast" is an option, it is often the most specific FRS for diagnosis.

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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