Psychiatric Assessment and Diagnosis Practice Questions

Q: A brief 30-point questionnaire test is done for which psychiatric assessment?

Mini-mental state examination. The **Mini-Mental State Examination (MMSE)**, also known as the Folstein test, is a widely used 30-point questionnaire designed to screen for **cognitive impairment** and monitor the progression of dementia. It assesses five functional domains: Orientation (10 points), Registration (3 points), Attention and Calculation (5 points), Recall (3 points), and Language/Visuospatial skills (9 points). A score of <24 is typically suggestive of cognitive impairment. ### Why the other options are incorrect: * **Peabody Individual Achievement Test (PIAT):** This is a standardized, norm-referenced assessment used to measure **academic achievement** in subjects like reading, mathematics, and spelling. It is not a 30-point psychiatric screening tool. * **Stanford-Binet Test:** This is a classic **Intelligence Quotient (IQ) test** used to measure cognitive abilities and intelligence across five factors (fluid reasoning, knowledge, quantitative reasoning, visual-spatial processing, and working memory). * **Wide-Range Achievement Test (WRAT):** Similar to the PIAT, this focuses on **academic skills** (reading, sentence comprehension, spelling, and arithmetic) rather than general psychiatric or cognitive screening. ### High-Yield Clinical Pearls for NEET-PG: * **MMSE Scoring:** 24–30 (Normal), 18–23 (Mild impairment), 0–17 (Severe impairment). * **Limitation:** The MMSE is heavily influenced by the patient’s **educational level** and age; it may yield false positives in those with low education. * **Alternative:** The **Montreal Cognitive Assessment (MoCA)** is often preferred for detecting "Mild Cognitive Impairment" (MCI) as it is more sensitive than the MMSE. * **Key Domain:** The "Serial 7s" or spelling "WORLD" backwards specifically tests **Attention and Concentration**.

Q: Which of the following coding system used in ICD-10 is used for “Schizophrenia, schizotypal and delusional disorders”?

F20-F29. ### Explanation In the **ICD-10 (International Classification of Diseases, 10th Revision)**, Chapter V (F) is dedicated to Mental and Behavioral Disorders. The classification uses an alphanumeric coding system where specific ranges represent distinct categories of psychiatric illnesses. **Correct Option: B (F20-F29)** The range **F20-F29** is specifically designated for **Schizophrenia, schizotypal, and delusional disorders**. * **F20** is the specific code for Schizophrenia. * **F21** refers to Schizotypal disorder. * **F22** refers to Persistent delusional disorders. **Analysis of Incorrect Options:** * **A. F10-F19:** This range covers **Mental and behavioral disorders due to psychoactive substance use** (e.g., F10 for Alcohol, F11 for Opioids). * **C. F30-F39:** This range covers **Mood [affective] disorders**, including Mania (F30), Bipolar Affective Disorder (F31), and Depressive episodes (F32). * **D. F40-F48:** This range covers **Neurotic, stress-related, and somatoform disorders**, such as Phobic anxiety disorders (F40) and Obsessive-compulsive disorder (F42). **High-Yield Clinical Pearls for NEET-PG:** * **ICD-11 Update:** While ICD-10 is still frequently tested, be aware that ICD-11 has moved to a new coding structure (e.g., Schizophrenia is under **6A20**). * **F00-F09:** Organic mental disorders (including Dementia and Delirium). * **F50-F59:** Behavioral syndromes associated with physiological disturbances (e.g., Eating and Sleep disorders). * **F70-F79:** Mental Retardation (Intellectual Disability). * **F90-F98:** Behavioral and emotional disorders with onset usually occurring in childhood and adolescence (e.g., ADHD).

Q: Which of the following is NOT typically associated with hallucinations?

Anxiety disorders. **Explanation:** The correct answer is **D. Anxiety disorders**. Hallucinations are defined as sensory perceptions in the absence of an external stimulus. They are hallmark features of psychosis, organic brain syndromes, or substance-induced states, but are **not** a diagnostic feature of primary anxiety disorders (such as GAD, Panic Disorder, or Phobias). While severe anxiety can lead to heightened sensitivity to stimuli (hypervigilance), it does not typically manifest as true hallucinations. **Analysis of Options:** * **Schizophrenia:** Auditory hallucinations (especially third-person voices) are a core "Schneiderian First Rank Symptom" and are highly characteristic of this disorder. * **Seizures (SOL):** Intracerebral space-occupying lesions (like tumors) in the temporal or occipital lobes can trigger focal seizures. These often present with "aura" phenomena, including complex visual, olfactory, or gustatory hallucinations. * **LSD Intoxication:** Lysergic acid diethylamide is a potent hallucinogen. It typically causes vivid visual hallucinations, synesthesia (blending of senses), and distortions of time and space. **Clinical Pearls for NEET-PG:** * **Most common type:** Auditory hallucinations are most common in psychiatric disorders (Schizophrenia), while visual hallucinations often suggest an organic/medical etiology (Delirium, Alcohol withdrawal). * **Hypnagogic vs. Hypnopompic:** Hallucinations while falling asleep (Hypna**g**ogic = **G**o to bed) or waking up (Hypno**p**ompic = **P**op out of bed) are seen in Narcolepsy and are considered physiological. * **Charles Bonnet Syndrome:** Visual hallucinations occurring in elderly patients with significant visual impairment (intact cognition).

Q: In conversion disorder, all of the following statements are true except:

Autonomic nervous system is involved. **Explanation:** Conversion Disorder (Functional Neurological Symptom Disorder) is characterized by symptoms affecting **voluntary motor or sensory functions** that suggest a neurological condition but cannot be explained by any known medical or neurological disease. **Why Option A is the Correct Answer (The "Except"):** Conversion disorder specifically involves the **voluntary** nervous system (motor and sensory). It does **not** involve the Autonomic Nervous System (ANS). Symptoms like changes in heart rate, blood pressure, or pupillary reactions are not characteristic of conversion disorder. If autonomic symptoms are predominant, one might consider Somatization or Panic Disorder instead. **Analysis of Other Options:** * **Option B (Primary and Secondary Gain):** These are classic psychodynamic features. **Primary gain** is the internal relief from anxiety by keeping an unconscious conflict out of awareness. **Secondary gain** refers to external benefits derived from being "sick," such as avoiding work or gaining attention. * **Option C (La belle indifference):** This refers to a paradoxical lack of concern regarding the severity of the symptoms (e.g., a patient being unbothered by sudden paralysis). While classic, it is not pathognomonic. * **Option D (Not intentionally produced):** This is the key differentiator from **Factitious Disorder** and **Malingering**. In conversion disorder, the patient truly experiences the symptoms; they are not "faking" or consciously producing them. **High-Yield Clinical Pearls for NEET-PG:** * **Most common symptoms:** Paralysis, blindness, and aphonia. * **Gender:** More common in females (2:1 to 10:1 ratio). * **Psychological Trigger:** Symptoms usually follow a stressful event or psychological conflict. * **Identification:** Hoover’s sign (in leg paresis) and the "arm-drop test" are used to differentiate conversion from organic pathology.

Q: What is the Mini-Mental State Examination (MMSE)?

A 30-point test used to evaluate cognitive function. **Explanation:** The **Mini-Mental State Examination (MMSE)**, also known as the Folstein test, is a widely used clinical instrument designed to objectively assess **cognitive impairment**. It is a **30-point questionnaire** that evaluates several domains: orientation (time and place), registration, attention and calculation (e.g., serial 7s), recall, and language/praxis. * **Why Option B is correct:** The MMSE is specifically designed to screen for cognitive deficits, most commonly in the context of **dementia** (e.g., Alzheimer’s disease). A score of **<24** is generally considered indicative of cognitive impairment. * **Why Option A is incorrect:** The MMSE is a cognitive screen, not a broad diagnostic tool for general psychiatric disorders like depression or anxiety. * **Why Option C is incorrect:** While cognitive deficits can occur in schizophrenia, the MMSE is not the primary tool for evaluating the core symptoms (hallucinations/delusions) of the disorder. * **Why Option D is incorrect:** While MMSE scores may be low in delirium, the gold standard for diagnosing delirium is the **Confusion Assessment Method (CAM)**. **High-Yield Facts for NEET-PG:** * **Maximum Score:** 30. * **Severity Grading:** 24–30 (Normal); 18–23 (Mild impairment); 0–17 (Severe impairment). * **Limitation:** The MMSE is highly influenced by the patient’s **educational level** and age. It may yield "false negatives" in highly educated individuals (ceiling effect). * **Alternative:** The **Montreal Cognitive Assessment (MoCA)** is often preferred for detecting "Mild Cognitive Impairment" (MCI) as it is more sensitive than the MMSE.

Q: A person looking at a window at night becomes frightened, believing a shape resembling a man is present. Upon switching on the light, the shape is revealed to be the window covering. What phenomenon is described?

Illusion. ### Explanation **Correct Answer: A. Illusion** **1. Why Illusion is Correct:** An **illusion** is defined as a **misinterpretation of a real external sensory stimulus**. In this scenario, there is an actual physical object present (the window covering), but the individual’s brain misinterprets the sensory input due to poor lighting and emotional state (fear), perceiving it as a man. This is a common phenomenon in both normal individuals and certain psychiatric or organic brain conditions (e.g., Delirium). **2. Why the Other Options are Incorrect:** * **B. Hallucination:** This is a sensory perception in the **absence of any external stimulus**. If the person saw a man standing in an empty room where no object existed at all, it would be a hallucination. * **C. Emotion:** This refers to a complex psychological state (e.g., fear, joy, anger). While fear influenced the person's perception in this case, the *phenomenon* of misinterpreting the object is a perceptual error, not an emotion itself. * **D. Loosening of Association:** This is a **disorder of the form of thought** (Formal Thought Disorder) commonly seen in Schizophrenia, where ideas shift from one subject to another in a completely unrelated way. It is not a perceptual disorder. **High-Yield Clinical Pearls for NEET-PG:** * **Pareidolia:** A type of illusion where vague stimuli (like clouds or craters on the moon) are perceived as significant forms (like faces). * **Hypnagogic vs. Hypnopompic:** Hallucinations occurring while falling asleep (Hypna**go**gic = **Go**ing to sleep) vs. waking up (Hypno**pom**pic = **Po**pping out of bed). * **Delirium:** Illusions are highly characteristic of Delirium (Acute Confusional State) due to clouded consciousness. * **Functional vs. Organic:** Hallucinations in psychiatric disorders (Functional) are usually auditory, whereas in organic brain syndromes (like tumors or seizures), they are often visual, olfactory, or gustatory.

Q: Hallucinations and illusions are disturbances of which of the following?

Perception. **Explanation:** The correct answer is **Perception**. Perception is the process of interpreting and organizing sensory information to understand the environment. Disturbances in this process manifest as hallucinations and illusions. * **Hallucinations:** Defined as a false sensory perception in the **absence** of an external stimulus (e.g., hearing voices when no one is speaking). * **Illusions:** Defined as a misinterpretation of a **real** external sensory stimulus (e.g., mistaking a rope for a snake in the dark). **Analysis of Incorrect Options:** * **A. Thought:** Disturbances of thought are categorized into disorders of **form** (e.g., loosening of associations), **content** (e.g., delusions, obsessions), and **stream** (e.g., flight of ideas). While hallucinations often occur in thought disorders like Schizophrenia, they are technically sensory-perceptual errors. * **C. Sensation:** Sensation is the raw biochemical process of detecting stimuli (via eyes, ears, etc.). In hallucinations, the sensory organs are usually intact; the error lies in the brain's perceptual processing. * **D. Mood:** Mood refers to a sustained internal emotional state. Disturbances include depression or mania. While mood disorders can have psychotic features (mood-congruent hallucinations), the symptoms themselves are perceptual. **NEET-PG High-Yield Pearls:** 1. **Hypnagogic vs. Hypnopompic:** Hallucinations while falling asleep (Hypna**go**gic = **Go**ing to sleep) vs. waking up (**P**ompic = **P**ost-sleep/awakening). 2. **Lilliputian Hallucinations:** Seeing people/objects as smaller than they are (common in Alcohol Withdrawal/Delirium Tremens). 3. **Functional Hallucination:** A stimulus triggers a hallucination in the *same* modality (e.g., hearing voices only when the tap is running). 4. **Reflex Hallucination:** A stimulus in one sensory modality triggers a hallucination in *another* (e.g., seeing colors when hearing music).

Question 1

A 45-year-old male presents with a 8-year history of continuous, dull, non-progressive headache. He is convinced he has a brain tumor despite normal investigations and multiple consultations with neurologists. Psychiatric evaluation reveals disease conviction. What is the most probable diagnosis?

Accepted Answer

Hypochondriasis

Answer

Conversion disorder

Answer

Somatization disorder

Answer

Somatoform pain disorder

Question 2

Which of the following statements differentiates an obsessional idea from a delusion?

Accepted Answer

The idea is regarded as senseless by the patient.

Answer

The idea is not a conventional belief.

Answer

The idea is held in spite of contrary evidence.

Answer

The idea is held on inadequate grounds.

Question 3

A brief 30-point questionnaire test is done for which psychiatric assessment?

Accepted Answer

Mini-mental state examination

Answer

Peabody Individual Achievement Test

Answer

Stanford-Binet Test

Answer

Wide-Range Achievement Test

Question 4

Fetishism is defined as:

Accepted Answer

Sexual satisfaction by contact with inanimate objects associated with the desired person or gender.

Answer

Sexual satisfaction by rubbing the genitalia with the body of a person of the opposite sex.

Answer

Sexual gratification by exposing one's genitalia to unsuspecting strangers.

Answer

Sexual satisfaction derived from watching others engage in sexual activity.

Question 5

Which of the following coding system used in ICD-10 is used for “Schizophrenia, schizotypal and delusional disorders”?

Accepted Answer

F20-F29

Answer

F10-F19

Answer

F30-F39

Answer

F40-F48

Question 6

Which of the following is NOT typically associated with hallucinations?

Accepted Answer

Anxiety disorders

Answer

Schizophrenia

Answer

Seizures due to intracerebral space-occupying lesions

Answer

LSD intoxication

Question 7

In conversion disorder, all of the following statements are true except:

Accepted Answer

Autonomic nervous system is involved

Answer

There is primary and secondary gain

Answer

La belle indifference is a feature

Answer

Patient does not intentionally produce symptoms

Question 8

What is the Mini-Mental State Examination (MMSE)?

Accepted Answer

A 30-point test used to evaluate cognitive function

Answer

A method to investigate common psychiatric problems

Answer

A tool to evaluate schizophrenia

Answer

An instrument used to measure delirium

Question 9

A person looking at a window at night becomes frightened, believing a shape resembling a man is present. Upon switching on the light, the shape is revealed to be the window covering. What phenomenon is described?

Accepted Answer

Illusion

Answer

Hallucination

Answer

Emotion

Answer

Loosening of association

Question 10

Hallucinations and illusions are disturbances of which of the following?

Accepted Answer

Perception

Answer

Thought

Answer

Sensation

Answer

Mood

Psychiatric Assessment and Diagnosis — MCQs

Psychiatric Assessment and Diagnosis — MCQs

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