Psychotic Disorders Practice Questions

Q: Catatonia is characterized by all of the following except?

Grandiosity. **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.

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

It may be found in bipolar patients. **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.

Q: What is a characteristic clinical manifestation of schizophrenia?

Auditory hallucinations. **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.

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

All of the above. **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.

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: In schizophrenia, what is considered a characteristic feature?

Formal thought disorder. ### 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.

Question 1

Catatonia is characterized by all of the following except?

Accepted Answer

Grandiosity

Answer

Echolalia

Answer

Mutism

Answer

Echolalia

Question 2

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

Accepted Answer

It may be found in bipolar patients

Answer

It is found only in schizophrenia

Answer

Delusions are a form of thought disorder

Answer

Ideas of reference are a form of thought disorder

Question 3

What is a characteristic clinical manifestation of schizophrenia?

Accepted Answer

Auditory hallucinations

Answer

Confusion

Answer

Anxiety

Answer

Visual hallucinations

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

Suicidal tendencies are seen in which of the following conditions?

Accepted Answer

All of the above

Answer

Depression

Answer

Substance abuse

Answer

Schizophrenia

Question 6

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 7

What is the preferred medication for treating resistant schizophrenia?

Accepted Answer

Clozapine

Answer

Chlorpromazine

Answer

Haloperidol

Answer

Loxapine

Question 8

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 9

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

Accepted Answer

Schizophrenia

Answer

Mania

Answer

Depression

Answer

OCD

Question 10

In schizophrenia, what is considered a characteristic feature?

Accepted Answer

Formal thought disorder

Answer

Delusion

Answer

Hallucination

Answer

Apathy

Psychotic Disorders — MCQs

Psychotic Disorders — MCQs

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