Psychotic Disorders Practice Questions

Q: The term 'schizophrenia' was coined by whom?

Eugene Bleuler. **Explanation:** The term **'Schizophrenia'** was coined by the Swiss psychiatrist **Eugen Bleuler** in 1908 (published in 1911). He replaced Kraepelin’s term 'Dementia Praecox' because he observed that the condition did not always lead to dementia and did not always occur early in life (praecox). Bleuler emphasized the "splitting" of various mental functions (Schizo = split, Phren = mind), famously describing the **4 A’s** (Primary Symptoms): Autism, Ambivalence, Affective blunting, and Associative looseness. **Analysis of Incorrect Options:** * **B. Emil Kraepelin:** Known as the father of modern psychiatry, he categorized the illness as **'Dementia Praecox'** and distinguished it from manic-depressive psychosis (the Kraepelinian dichotomy). * **C. Sigmund Freud:** The founder of psychoanalysis. While he theorized about the unconscious mind and defense mechanisms, he did not name schizophrenia. * **D. Kurt Schneider:** He differentiated between "First Rank Symptoms" (FRS) and "Second Rank Symptoms." His **First Rank Symptoms** (e.g., audible thoughts, somatic passivity, delusional perception) were long used as the diagnostic bedrock for schizophrenia. **High-Yield Clinical Pearls for NEET-PG:** * **Eugen Bleuler:** Coined 'Schizophrenia' and 'Autism'; described the **4 A’s**. * **Emil Kraepelin:** Coined 'Dementia Praecox'. * **Kurt Schneider:** Defined **First Rank Symptoms (FRS)**; note that FRS are no longer mandatory for diagnosis in DSM-5 or ICD-11 but remain exam favorites. * **Bénédict Morel:** First used the term 'Démence précoce' to describe a case of a teenager with mental deterioration.

Q: A teenage boy presents with auditory hallucinations, agitation, and rapid, incoherent speech. What is the most likely differential diagnosis that would present with these symptoms, excluding one of the following?

Generalized Anxiety Disorder. **Explanation:** The clinical presentation of auditory hallucinations, agitation, and rapid, incoherent speech constitutes a **psychotic state**. The goal of the question is to identify which condition does *not* typically present with these "positive" psychotic symptoms. **Why Generalized Anxiety Disorder (GAD) is the correct answer:** GAD is characterized by excessive, uncontrollable worry about everyday events for at least six months. It is classified under anxiety disorders, not psychotic disorders. While GAD can involve physical restlessness and irritability, it **does not feature psychosis** (hallucinations, delusions, or disorganized speech). If a patient with anxiety develops these symptoms, a different diagnosis must be considered. **Analysis of Incorrect Options:** * **Schizoaffective Disorder:** This diagnosis requires both the symptoms of schizophrenia (like hallucinations and incoherent speech) and a major mood episode (manic or depressive). * **Bipolar Disorder:** During a **manic episode**, patients frequently exhibit rapid/pressured speech, agitation, and can present with "mood-congruent" psychotic features like hallucinations. * **Substance-induced Psychotic Disorder:** Common in teenagers, substances like cannabis, amphetamines, or synthetic cannabinoids can acutely cause hallucinations, agitation, and disorganized thinking. **NEET-PG High-Yield Pearls:** * **Differential of Psychosis:** Always rule out medical causes (e.g., hypoglycemia, electrolyte imbalance) and substance use before diagnosing a primary psychiatric disorder. * **Brief Psychotic Disorder:** Symptoms last >1 day but <1 month with a full return to premorbid functioning. * **Schizophreniform Disorder:** Symptoms last between 1 and 6 months. * **Schizophrenia:** Symptoms must persist for at least 6 months.

Q: What type of schizophrenia is associated with mental retardation?

Pfropf schizophrenia. **Explanation:** **Pfropf Schizophrenia** (also known as *Pfropfhebephrenia*) is a historical term used to describe schizophrenia that develops in an individual who already has intellectual disability (mental retardation). The term "Pfropf" is derived from the German word for "grafted," implying that the psychotic illness is grafted onto a pre-existing cognitive deficit. Patients with this condition often present with more primitive delusions and less complex hallucinations due to their limited cognitive baseline. **Analysis of Incorrect Options:** * **Von-Gogh Syndrome:** This refers to a condition where an individual performs self-mutilation (specifically cutting off an ear) or extreme self-harm, often associated with psychosis or personality disorders. It is not a subtype of schizophrenia linked to mental retardation. * **Paranoid Schizophrenia:** This is the most common subtype, characterized by prominent delusions and hallucinations (usually auditory). It is typically associated with a later age of onset and relatively preserved cognitive function compared to other types. * **Catatonic Schizophrenia:** This subtype is defined by psychomotor disturbances, such as stupor, waxy flexibility, mutism, or excessive purposeless motor activity. While it involves severe behavioral impairment, it is not defined by pre-existing mental retardation. **Clinical Pearls for NEET-PG:** * **Prognosis:** Schizophrenia in patients with intellectual disability (Pfropf) generally carries a poorer prognosis due to difficulties in diagnosis and limited social/occupational rehabilitation potential. * **Simple Schizophrenia:** Characterized by early-onset, prominent negative symptoms (apathy, withdrawal) without prominent hallucinations or delusions. * **Residual Schizophrenia:** A stage where positive symptoms have subsided, but negative symptoms persist.

Q: Expressed emotionality is related to which of the following conditions?

Schizophrenia. **Expressed Emotion (EE)** is a critical concept in psychiatry, specifically regarding the prognosis and relapse of **Schizophrenia**. It refers to the quality of the social environment and the attitudes of family members or caregivers toward a patient with a mental disorder. ### Why Schizophrenia is Correct In the context of Schizophrenia, high Expressed Emotion in a household is the **strongest predictor of relapse**. It consists of three key components: 1. **Critical Comments:** Negative remarks about the patient’s behavior or personality. 2. **Hostility:** Generalized animosity or rejection of the patient. 3. **Emotional Over-involvement (EOI):** Overprotective, intrusive, or self-sacrificing behaviors toward the patient. Research (notably by George Brown) demonstrated that patients returning to "High EE" families have significantly higher rates of re-hospitalization compared to those in "Low EE" environments. ### Why Other Options are Incorrect * **Depression & Mania (Mood Disorders):** While family dynamics affect all psychiatric conditions, the specific term "Expressed Emotion" was historically developed and is most classically associated with the relapse of Schizophrenia in medical literature and exams. * **Somatoform Disorder:** These disorders are characterized by physical symptoms without an organic cause. While stress can exacerbate them, EE is not a primary prognostic marker used in clinical practice for these conditions. ### High-Yield Clinical Pearls for NEET-PG * **The "Rule of One-Thirds":** Approximately 1/3 of Schizophrenia patients recover, 1/3 remain symptomatic but functional, and 1/3 have a poor outcome. High EE contributes to the latter. * **Management:** Family Psychoeducation is the intervention of choice to reduce High EE and lower relapse rates. * **Social Drift Hypothesis:** Explains why Schizophrenia is more common in lower socioeconomic groups (patients "drift" down due to functional impairment).

Q: All the following are characteristic of schizophrenia except:

Intermittent mood changes. **Explanation:** Schizophrenia is primarily a **disorder of thought and perception**, rather than a primary disorder of mood. **Why "Intermittent mood changes" is the correct answer:** Intermittent mood changes (fluctuating mania or depression) are characteristic of **Mood Disorders** (like Bipolar Disorder) or **Schizoaffective Disorder**, but they are not a diagnostic feature of Schizophrenia. While patients with schizophrenia may experience secondary depression or anxiety, the core clinical picture is dominated by cognitive and perceptual disturbances rather than episodic mood instability. **Analysis of Incorrect Options:** * **Third-person hallucinations:** These are "Schneiderian First Rank Symptoms" (FRS). Hearing voices talking about the patient in the third person or narrating the patient's actions is highly characteristic of schizophrenia. * **Inappropriate emotions:** Also known as **Incongruous Affect**, this is a hallmark of the Disorganized (Hebephrenic) subtype. The patient’s emotional expression does not match the situation (e.g., laughing while discussing a tragedy). * **Formal thought disorder:** This refers to a disorganized thinking process (e.g., loosening of associations, word salad, or neologisms). It is a core feature of schizophrenia, reflecting the "splitting" of psychic functions. **High-Yield Clinical Pearls for NEET-PG:** * **Schneider’s First Rank Symptoms (FRS):** Includes audible thoughts, voices arguing, voices commenting, somatic passivity, and delusional perception. * **Bleuler’s 4 A’s:** **A**ffective flattening, **A**utism (social withdrawal), **A**mbivalence, and **A**ssociation looseness. * **Prognosis:** Mood symptoms in a psychotic patient actually suggest a **better prognosis** compared to the "blunted affect" seen in chronic schizophrenia.

Q: Erotomanic delusion is seen in which syndrome?

de Clerambault's syndrome. **Explanation:** **1. Correct Answer: A. de Clerambault's syndrome** Erotomanic delusion (also known as de Clerambault's syndrome) is a type of delusional disorder where the patient—typically a female—holds a fixed, false belief that another person, usually of higher social status or a celebrity, is deeply in love with them. The patient often believes the "suitor" is communicating their love through subtle signs, glances, or coded messages. **2. Analysis of Incorrect Options:** * **B. Cotard syndrome:** Also known as "Walking Corpse Syndrome," it is a nihilistic delusion where the patient believes they are dead, do not exist, or that their internal organs have rotted away. It is often seen in severe psychotic depression. * **C. Couvade syndrome:** This is a "sympathetic pregnancy" where the partner of an expectant mother experiences pregnancy-related symptoms (e.g., weight gain, nausea, morning sickness). It is not a psychotic disorder. * **D. Othello syndrome:** Also known as "Pathological Jealousy," it is a delusion that one’s spouse or partner is being unfaithful without any evidence. It is frequently associated with chronic alcoholism. **3. NEET-PG High-Yield Pearls:** * **Capgras Syndrome:** The delusion that a familiar person has been replaced by an identical-looking impostor (an "illusion of doubles"). * **Fregoli Syndrome:** The delusion that different people are actually a single person in disguise. * **Ekbom Syndrome:** Delusional parasitosis (belief that one is infested with insects). * **Folies à deux:** A shared psychotic disorder where a delusion is transmitted from one person to another.

Question 1

Endophenotypic markers of schizophrenia include all of the following except?

Accepted Answer

P50 auditory evoked potential

Answer

Smooth pursuit eye movement alterations

Answer

Saccadic eye movement disinhibition

Answer

Prepulse inhibition of startle response paradigm

Question 2

The term 'schizophrenia' was coined by whom?

Accepted Answer

Eugene Bleuler

Answer

Kraepelin

Answer

Freud

Answer

Schneider

Question 3

A teenage boy presents with auditory hallucinations, agitation, and rapid, incoherent speech. What is the most likely differential diagnosis that would present with these symptoms, excluding one of the following?

Accepted Answer

Generalized Anxiety Disorder

Answer

Schizoaffective disorder

Answer

Bipolar disorder

Answer

Substance-induced psychotic disorder

Question 4

What type of schizophrenia is associated with mental retardation?

Accepted Answer

Pfropf schizophrenia

Answer

Von-Gogh syndrome

Answer

Paranoid schizophrenia

Answer

Catatonic schizophrenia

Question 5

Somatic passivity is seen in?

Accepted Answer

Paranoid Schizophrenia

Answer

Depression

Answer

Hypomania

Answer

Body dysmorphic disorder

Question 6

Expressed emotionality is related to which of the following conditions?

Accepted Answer

Schizophrenia

Answer

Depression

Answer

Mania

Answer

Somatiform disorder

Question 7

All of the following are findings in patients with schizophrenia except?

Accepted Answer

Cerebellar dysfunction

Answer

Lateral and third ventricle enlargement

Answer

Deficits in smooth-pursuit eye movements

Answer

Increased incidence of abnormally slow electroencephalogram tracings

Question 8

All the following are characteristic of schizophrenia except:

Accepted Answer

Intermittent mood changes

Answer

Third person hallucination

Answer

Inappropriate emotions

Answer

Formal thought disorder

Question 9

Erotomanic delusion is seen in which syndrome?

Accepted Answer

de Clerambault's syndrome

Answer

Cotard syndrome

Answer

Couvade syndrome

Answer

Othello syndrome

Question 10

Delusions of persecution, grandiosity, and infidelity are features of which of the following conditions?

Accepted Answer

Paranoid schizophrenia

Answer

Bipolar disorder

Answer

Obsessive compulsive disorder

Answer

Borderline personality disorder

Psychotic Disorders — MCQs

Psychotic Disorders — MCQs

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