Psychotic Disorders Practice Questions

Q: A husband suspects his wife is having an affair with another man. What is the diagnosis?

Delusion. **Explanation:** The correct answer is **Delusion**. A **delusion** is defined as a false, fixed belief that is firmly held despite incontrovertible evidence to the contrary and is not in keeping with the patient’s socio-cultural or educational background. In this scenario, the husband’s unfounded suspicion of his wife’s infidelity is a classic example of a **Delusion of Infidelity** (also known as **Conjugal Paranoia** or **Othello Syndrome**). This is a disorder of the **content of thought**. **Why other options are incorrect:** * **Perception:** This is the process of interpreting sensory stimuli. While delusions involve a misinterpretation of reality, they are categorized as thought disorders, not basic perceptual processes. * **Hallucination:** This is a sensory perception in the absence of an external stimulus (e.g., hearing voices when no one is speaking). It is a disorder of **perception**, whereas the husband’s suspicion is a belief-based issue. * **Amotivation:** This refers to a lack of drive or motivation to participate in activities. It is a "negative symptom" often seen in Schizophrenia, but it does not describe a false belief system. **Clinical Pearls for NEET-PG:** * **Othello Syndrome:** Specifically refers to a morbid delusion of infidelity, often associated with chronic alcoholism or organic brain disorders. * **Primary vs. Secondary Delusion:** A primary delusion (autochthonous) arises suddenly without a preceding mental event, while a secondary delusion is understandable in the context of other symptoms (like mood or hallucinations). * **De Clerambault’s Syndrome:** Also known as **Erotomania**, where the patient believes a person of higher status is in love with them. * **Capgras Syndrome:** The delusion that a familiar person has been replaced by an identical-looking impostor.

Q: Which of the following is NOT considered one of Eugene Bleuler's 4 A's of schizophrenia?

Anhedonia. **Explanation:** The concept of the **"4 A’s"** was introduced by **Eugen Bleuler** to describe the primary (fundamental) symptoms of schizophrenia. These symptoms represent the core psychological disturbances of the disorder, distinct from secondary symptoms like hallucinations or delusions. **Why Anhedonia is the correct answer:** **Anhedonia** (the inability to feel pleasure) is **not** one of Bleuler’s original 4 A’s. While it is a common "negative symptom" of schizophrenia in modern diagnostic criteria (like the DSM-5), it was not part of Bleuler's primary framework. **Analysis of the 4 A’s (Incorrect Options):** 1. **Autism (Option A):** Refers to a withdrawal into a private inner world, losing contact with external reality. 2. **Affect (Option B):** Specifically "Inappropriate Affect" or "Flattened Affect," where the patient's emotional expression is blunted or does not match the situation. 3. **Ambivalence (Option D):** The coexistence of contradictory emotions, ideas, or desires toward the same object or person at the same time. 4. **Association (The missing 4th A):** Refers to "Loosening of Associations," where the patient's thought process becomes fragmented and lacks logical connection. **High-Yield Clinical Pearls for NEET-PG:** * **Kurt Schneider’s First Rank Symptoms (FRS):** These are often contrasted with Bleuler’s 4 A’s. FRS includes audible thoughts, voices arguing, and somatic passivity. * **Bleuler’s Classification:** He divided symptoms into **Fundamental** (the 4 A’s) and **Accessory** (hallucinations and delusions). * **Mnemonic:** Remember **"AAAA"** — **A**ffect, **A**ssociation, **A**mbivalence, and **A**utism.

Q: What is the most common subtype of schizophrenia?

Paranoid type. **Explanation:** **Paranoid Schizophrenia** is the most common subtype of schizophrenia worldwide. It is characterized primarily by stable, systematized delusions (usually persecutory or grandiose) and auditory hallucinations. Unlike other subtypes, patients often exhibit relatively preserved cognitive functions and affect, which contributes to a later age of onset and a better overall prognosis regarding social and occupational functioning. **Analysis of Incorrect Options:** * **Simple Schizophrenia:** This is the rarest subtype. It is characterized by the early onset of negative symptoms (apathy, social withdrawal) without prominent hallucinations or delusions. It carries a very poor prognosis. * **Hebephrenic (Disorganized) Schizophrenia:** Characterized by disorganized speech, disorganized behavior, and flat or inappropriate affect. It typically has an early onset (puberty) and a poor prognosis. * **Catatonic Schizophrenia:** Characterized by marked psychomotor disturbances (stupor, waxy flexibility, or purposeless excitement). While classic in textbooks, its prevalence has significantly decreased in modern clinical practice due to early intervention. **High-Yield Clinical Pearls for NEET-PG:** * **Prognosis:** Paranoid type has the **best prognosis**, while Simple and Hebephrenic types have the **worst prognosis**. * **ICD-11 & DSM-5 Update:** It is crucial to note that modern classification systems (DSM-5 and ICD-11) have **removed** these clinical subtypes because they were found to be unstable over time and lacked diagnostic specificity. However, they remain high-yield for competitive exams. * **Age of Onset:** Paranoid schizophrenia typically presents later (25–35 years) compared to the Hebephrenic type (15–25 years).

Q: What is the time interval between the onset of acute and persistent psychotic disease?

1 month. ### Explanation The classification of psychotic disorders is primarily based on the **duration of symptoms**. In both the ICD-11 and DSM-5, the one-month mark is the critical diagnostic threshold that separates acute/transient psychotic episodes from more persistent conditions. **1. Why 1 Month is Correct:** According to the DSM-5, a **Brief Psychotic Disorder** is defined by symptoms lasting at least one day but **less than one month**, with an eventual full return to premorbid functioning. Once symptoms persist beyond **one month**, the diagnosis must be changed to **Schizophreniform Disorder** (which lasts 1–6 months) or eventually **Schizophrenia** (if symptoms persist for more than 6 months). Therefore, one month is the defining interval between an acute episode and a persistent disease process. **2. Why Other Options are Incorrect:** * **1 Week / 2 Weeks:** While some ICD-10 criteria for "Acute and Transient Psychotic Disorder" (ATPD) mention a 2-week crescendo for symptom onset, these are not the standard intervals used to differentiate acute from persistent disease categories. * **3 Weeks:** This duration holds no specific diagnostic significance in the classification of psychotic disorders in major psychiatric manuals. **3. High-Yield Clinical Pearls for NEET-PG:** * **Brief Psychotic Disorder:** Duration 1 month but 6 months (DSM-5) or > 1 month (ICD-11). * **Prognosis:** Brief psychotic disorder has the best prognosis, often characterized by a sudden onset and rapid resolution. * **Key Symptom Triad:** Delusions, Hallucinations, and Disorganized speech are the "core" positive symptoms required for these diagnoses.

Q: Good prognosis in schizophrenia is indicated by?

Affective symptoms. **Explanation:** Prognosis in schizophrenia is determined by several clinical factors that predict the long-term outcome and response to treatment. **Why Affective Symptoms are Correct:** The presence of **affective symptoms** (mood symptoms like depression or mania) is a strong indicator of a **good prognosis**. This is because patients with prominent mood features often have a "schizoaffective" presentation, which typically responds better to treatment and has a more episodic course compared to the chronic, deteriorating course of pure schizophrenia. **Analysis of Incorrect Options:** * **Soft Neurological Signs (A):** These are subtle impairments in sensory integration or motor coordination (e.g., dysdiadochokinesia). Their presence indicates underlying neurodevelopmental brain damage and is associated with a **poor prognosis**. * **Emotional Blunting (C):** This is a "Negative Symptom." Negative symptoms (apathy, anhedonia, poverty of speech) are notoriously resistant to antipsychotic medication and signify a **poor prognosis**. * **Insidious Onset (D):** A slow, gradual onset of symptoms usually means the disease has been progressing unnoticed for years, leading to significant social and cognitive decline. An **acute/sudden onset** is a feature of a **good prognosis**. **High-Yield Clinical Pearls for NEET-PG:** | **Good Prognostic Factors** | **Poor Prognostic Factors** | | :--- | :--- | | Late onset (older age) | Young/Early onset | | Acute/Sudden onset | Insidious/Gradual onset | | Obvious precipitating stressors | No clear stressors | | **Presence of Mood/Affective symptoms** | **Negative symptoms** (Blunting, etc.) | | Good premorbid adjustment | Poor premorbid history (socially isolated) | | Married/Strong social support | Single, divorced, or widowed | | Positive symptoms (Hallucinations/Delusions) | Structural brain changes (Enlarged ventricles) | | Female gender | Male gender |

Q: Schizophrenia mostly occurs in which age group?

Adolescents. **Explanation:** Schizophrenia is a chronic and severe mental disorder characterized by distortions in thinking, perception, emotions, and behavior. The peak age of onset is typically in **late adolescence and early adulthood** (usually between ages 15 and 25 for males and 25 to 35 for females). This period coincides with critical neurodevelopmental changes and synaptic pruning in the prefrontal cortex. * **Adolescents (Correct):** Most cases manifest in the late teens or early twenties. While the prodromal phase may start earlier, the first psychotic episode typically occurs during this transition into adulthood. * **Children:** Childhood-onset schizophrenia (onset before age 13) is extremely rare and often presents with more severe neurocognitive deficits and a poorer prognosis. * **Middle age:** While "Late-onset Schizophrenia" can occur (after age 40), it is less common and more frequently seen in females. * **Old age:** Onset after age 60 is termed "Very-late-onset schizophrenia-like psychosis" and is rare, often requiring the exclusion of neurodegenerative diseases like dementia. **Clinical Pearls for NEET-PG:** 1. **Gender Dimorphism:** Males have an earlier onset (15–25 years) and a poorer prognosis compared to females (25–35 years), who often show a second peak of onset post-menopause. 2. **Schneider’s First Rank Symptoms (FRS):** These are diagnostic hallmarks, including audible thoughts, voices arguing/commenting, and thought withdrawal/insertion. 3. **Prognosis:** Good prognostic factors include late onset, female sex, presence of precipitating factors, and predominant positive symptoms. 4. **Dopamine Hypothesis:** Schizophrenia is primarily associated with increased dopaminergic activity in the mesolimbic pathway (positive symptoms) and decreased activity in the mesocortical pathway (negative symptoms).

Q: Delusion of grandeur, persecution, and reference is seen in which of the following?

Paranoid schizophrenia. ### Explanation **Correct Option: B. Paranoid Schizophrenia** Paranoid schizophrenia is characterized primarily by the presence of stable, often systematized **delusions** and **hallucinations** (usually auditory). The most common delusions encountered are: * **Delusion of Persecution:** The belief that one is being conspired against or harmed. * **Delusion of Grandeur:** An exaggerated sense of self-importance, power, or knowledge. * **Delusion of Reference:** The false belief that neutral external events (like a news report) have a special personal significance. In this subtype, cognitive functions and affect remain relatively preserved compared to other forms. **Why Other Options are Incorrect:** * **A. Catatonic Schizophrenia:** Dominated by psychomotor disturbances. Features include mutism, stupor, waxy flexibility, negativism, or purposeless excitement. Delusions are not the defining feature. * **C. Simple Schizophrenia:** Characterized by an insidious onset of "negative symptoms" (apathy, social withdrawal, loss of drive) without prominent hallucinations or delusions. * **D. Disorganized (Hebephrenic) Schizophrenia:** Characterized by disorganized speech, disorganized behavior, and flat or inappropriate affect (e.g., giggling). While delusions may occur, they are fragmentary and non-systematized, unlike the stable delusions of the paranoid type. **High-Yield Clinical Pearls for NEET-PG:** * **Most common subtype:** Paranoid schizophrenia is the most frequent clinical subtype worldwide. * **Prognosis:** Paranoid schizophrenia has the **best prognosis** for occupational functioning and independent living. * **Age of onset:** Usually occurs later in life compared to disorganized or catatonic types. * **Schneider’s First Rank Symptoms (FRS):** These are highly suggestive of schizophrenia and include thought insertion, withdrawal, broadcast, and "made" phenomena.

Question 1

A husband suspects his wife is having an affair with another man. What is the diagnosis?

Accepted Answer

Delusion

Answer

Perception

Answer

Hallucination

Answer

Amotivation

Question 2

Which of the following is NOT considered one of Eugene Bleuler's 4 A's of schizophrenia?

Accepted Answer

Anhedonia

Answer

Autism

Answer

Affect

Answer

Ambivalence

Question 3

What is the most common subtype of schizophrenia?

Accepted Answer

Paranoid type

Answer

Simple type

Answer

Hebephrenic type

Answer

Catatonic type

Question 4

What is the time interval between the onset of acute and persistent psychotic disease?

Accepted Answer

1 month

Answer

1 week

Answer

2 weeks

Answer

3 weeks

Question 5

Good prognosis in schizophrenia is indicated by?

Accepted Answer

Affective symptoms

Answer

Soft neurological signs

Answer

Emotional blunting

Answer

Insidious onset

Question 6

Schizophrenia mostly occurs in which age group?

Accepted Answer

Adolescents

Answer

Children

Answer

Middle age

Answer

Old age

Question 7

Which of the following hypotheses was initially proposed for the etiology of schizophrenia?

Accepted Answer

Dopamine hypothesis

Answer

Serotonin Hypothesis

Answer

Learned helplessness

Answer

Cognitive theory

Question 8

A 22-year-old male presented with a 2-day history of auditory hallucinations (hearing voices when no one is around) and aggressive behavior. He also reports that people are abusing him. He has had a fever for the past 2 days. There is no significant past medical history. What is the most likely diagnosis?

Accepted Answer

Acute psychosis

Answer

Dementia

Answer

Delirium

Answer

Delusion

Question 9

Delusion of grandeur, persecution, and reference is seen in which of the following?

Accepted Answer

Paranoid schizophrenia

Answer

Catatonic schizophrenia

Answer

Simple schizophrenia

Answer

Disorganized schizophrenia

Question 10

Which of the following is considered a poor prognostic factor in schizophrenia?

Accepted Answer

Late age of onset (e.g., 40 years)

Answer

Early age of onset (e.g., 18 years)

Answer

Gradual onset

Answer

Male gender

Psychotic Disorders — MCQs

Psychotic Disorders — MCQs

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