Psychiatric Assessment and Diagnosis — MCQs

Psychiatric Assessment and Diagnosis Indian Medical PG Practice Questions and MCQs

Question 21: Dissociative conversion disorder was previously described as?

A. Hysteria (Correct Answer)
B. Dementia precox
C. Melancholia
D. Hypochondriasis

Explanation: **Explanation:** **Dissociative Conversion Disorder** (now often referred to as Functional Neurological Symptom Disorder in DSM-5) is a condition where patients present with neurological symptoms (like paralysis, blindness, or seizures) that cannot be explained by a neurological disease. **Why A is correct:** Historically, these symptoms were grouped under the term **Hysteria** (derived from the Greek word *hystera*, meaning uterus). Ancient physicians believed the condition was caused by a "wandering womb." In the late 19th century, Jean-Martin Charcot and Sigmund Freud redefined hysteria as a psychogenic condition where emotional distress is "converted" into physical symptoms. Modern classifications (ICD-10/11) split hysteria into **Dissociative disorders** (disruption of consciousness/memory) and **Conversion disorders** (loss of motor/sensory function). **Why the other options are incorrect:** * **B. Dementia Praecox:** This term was coined by Emil Kraepelin to describe what we now call **Schizophrenia**. It referred to a premature cognitive decline. * **C. Melancholia:** This is an ancient term for **Depression**, characterized by profound sadness, low energy, and anhedonia. * **D. Hypochondriasis:** Now termed **Illness Anxiety Disorder**, this involves a preoccupation with having a serious undiagnosed illness, rather than the actual loss of physical function seen in conversion. **High-Yield Clinical Pearls for NEET-PG:** * **La Belle Indifference:** A classic sign where the patient shows a surprising lack of concern regarding their severe physical disability (e.g., being unbothered by sudden paralysis). * **Primary Gain:** Internal relief from anxiety by keeping a psychological conflict out of conscious awareness. * **Secondary Gain:** External benefits derived from the symptoms (e.g., attention, avoiding work). * **Identification:** Patients may unconsciously mimic symptoms of someone they know who has a real neurological illness.

Question 22: Which of the following is an immature defense mechanism?

A. Anticipation
B. Humor
C. Suppression
D. Regression (Correct Answer)

Explanation: **Explanation:** Defense mechanisms are unconscious psychological strategies used to cope with anxiety. According to Vaillant’s classification, they are categorized into four levels: Pathological, Immature, Neurotic, and Mature. **Why Regression is Correct:** **Regression** is a classic **Immature (Level II)** defense mechanism. It involves a functional relapse to an earlier stage of development (e.g., a toilet-trained child wetting the bed after a sibling is born or an adult throwing a temper tantrum). These mechanisms are common in adolescents and non-psychotic patients but are considered maladaptive because they avoid dealing with reality in a constructive way. **Analysis of Incorrect Options:** * **A, B, and C (Anticipation, Humor, and Suppression):** These are all **Mature (Level IV)** defense mechanisms. * **Anticipation:** Planning for future discomfort. * **Humor:** Expressing ideas in a way that alleviates tension. * **Suppression:** The **only conscious** defense mechanism, where one voluntarily decides to postpone paying attention to a stressor. **NEET-PG High-Yield Pearls:** * **Classification Summary:** * **Immature:** Regression, Projection, Acting out, Schizoid fantasy, Denial (often listed here or under Pathological). * **Neurotic:** Rationalization, Reaction Formation, Displacement, Repression (unconscious forgetting). * **Mature:** **SASH** (Sublimation, Altruism, Suppression, Humor) + Anticipation. * **Key Distinction:** Do not confuse **Repression** (Neurotic/Unconscious) with **Suppression** (Mature/Conscious). * **Reaction Formation:** Transforming an unacceptable impulse into its opposite (e.g., being overly kind to someone you dislike).

Question 23: Which statement regarding delusions is true?

A. Delusions are almost exclusively found in schizophrenia.
B. Grandiose delusions are rarely encountered except in mania. (Correct Answer)
C. Delusions involve a disturbance of thought content.
D. Delusions involve a disturbance in perception.

Explanation: ### Explanation **Correct Answer: B. Grandiose delusions are rarely encountered except in mania.** **Why it is correct:** Delusions are fixed, false beliefs held with absolute conviction despite evidence to the contrary. While delusions occur in various psychiatric conditions, **grandiose delusions** (beliefs of inflated power, knowledge, or identity) are a hallmark feature of **Mania** (Bipolar Disorder). While they can occasionally appear in schizophrenia or substance-induced psychosis, their presence is most characteristically associated with the expansive mood and "inflated self-esteem" seen in manic episodes. **Analysis of Incorrect Options:** * **Option A:** Delusions are **not** exclusive to schizophrenia. They are seen in a wide array of conditions including Delusional Disorder, Mood Disorders (Depression/Mania with psychotic features), Dementia, Delirium, and medical conditions like Neurosyphilis. * **Option C & D:** This is a high-yield distinction. Delusions are disturbances of **Thought Content**. Disturbances of **Perception** refer to Hallucinations (sensory perception without a stimulus) or Illusions (misinterpretation of a real stimulus). Disturbance in the **Form of Thought** refers to conditions like loosening of associations or word salad. **Clinical Pearls for NEET-PG:** * **Primary Delusion (Autochthonous):** Arises "out of the blue" without a preceding mental event (e.g., "The sky turned blue, so I knew I was the King"). * **Secondary Delusion:** Arises understandably from another morbid experience (e.g., a depressed patient believing they are being punished by God). * **Nihilistic Delusions (Cotard Syndrome):** Belief that one is dead, decomposing, or does not exist; typically seen in severe agitated depression. * **Capgras Syndrome:** The delusion that a familiar person has been replaced by an identical-looking impostor.

Question 24: A patient presents to the emergency room with abrupt onset of motor symptoms. The neurology resident is unable to correlate the presentation with a concrete neurological diagnosis. The patient also appears unconcerned about his own symptoms. What is this called?

A. Labile affect
B. La belle indifference (Correct Answer)
C. Affect blunting
D. Incongruent affect

Explanation: ### Explanation The correct answer is **La belle indifference**. **1. Why the correct answer is right:** The scenario describes a classic presentation of **Conversion Disorder** (Functional Neurological Symptom Disorder). In this condition, patients exhibit neurological symptoms (like paralysis or blindness) that cannot be explained by organic pathology. **La belle indifference** (literally "the beautiful indifference") refers to a paradoxical lack of concern or anxiety regarding these severe physical symptoms. While it was historically considered a hallmark of conversion disorder, it is not present in all cases, but it remains a high-yield diagnostic clue in medical examinations. **2. Why the incorrect options are wrong:** * **Labile affect:** Refers to rapid, exaggerated changes in mood (e.g., swinging from laughter to tears), often seen in bipolar disorder or pseudobulbar affect. * **Affect blunting:** A significant reduction in the intensity of emotional expression; it is a "negative symptom" commonly associated with Schizophrenia. * **Incongruent affect:** A mismatch between the patient’s emotional expression and their actual thought content or the situation (e.g., laughing while describing a tragedy). **3. Clinical Pearls for NEET-PG:** * **Conversion Disorder** is often triggered by a psychological stressor or conflict. * **Primary Gain:** The symptom keeps the internal psychological conflict out of conscious awareness. * **Secondary Gain:** The external benefits derived from being "sick" (e.g., attention, avoiding work). * **Hoover’s Sign:** A common clinical test to differentiate conversion-related leg weakness from organic weakness. * **Treatment:** The first-line treatment is usually **Physical Therapy** and **Cognitive Behavioral Therapy (CBT)**; pharmacotherapy is reserved for comorbid depression or anxiety.

Question 25: "Anhedonia" means?

A. Lack of interest (Correct Answer)
B. Panic attacks
C. Phobic attack
D. Mood swings

Explanation: **Explanation:** **Anhedonia** is a core clinical feature in psychiatry, defined as the **inability to experience pleasure** from activities that were previously found enjoyable. It is derived from the Greek words *an-* (without) and *hedone* (pleasure). In clinical practice, this manifests as a profound **lack of interest** in hobbies, social interactions, or physical intimacy. * **Why Option A is correct:** Anhedonia is one of the two primary "gateway" symptoms required for a diagnosis of Major Depressive Disorder (MDD) according to DSM-5/ICD-11 criteria (the other being depressed mood). It represents a deficit in the brain's reward system, often linked to dopaminergic dysfunction in the nucleus accumbens. **Analysis of Incorrect Options:** * **B. Panic attacks:** These are discrete periods of intense fear accompanied by somatic symptoms (palpitations, sweating, tremors). * **C. Phobic attack:** This refers to acute anxiety triggered specifically by exposure to a feared object or situation (e.g., heights, spiders). * **D. Mood swings:** Also known as emotional lability, these are rapid fluctuations in emotional state, characteristic of Bipolar Disorder or Borderline Personality Disorder. **High-Yield Clinical Pearls for NEET-PG:** * **Types of Anhedonia:** It is divided into **Consummatory** (lack of pleasure during the activity) and **Anticipatory** (lack of motivation/drive to seek the activity). * **Diagnostic Significance:** Besides Depression, anhedonia is a prominent **Negative Symptom of Schizophrenia**. * **Neurobiology:** It is primarily associated with the **Mesolimbic pathway** and prefrontal cortex dysfunction. * **Symptom Check:** If a patient presents with "loss of interest in everything," always screen for suicidal ideation.

Question 26: False sense of perception without any external object or stimulus is known as:

A. Illusions
B. Impulse
C. Hallucination (Correct Answer)
D. Phobia

Explanation: **Explanation:** The correct answer is **Hallucination**. **1. Why Hallucination is correct:** A hallucination is defined as a **false sensory perception** in the absence of an external stimulus. It occurs in the external objective space and has the same vividness and impact as a real perception. It is a disorder of **perception**. For example, hearing voices when no one is speaking (Auditory Hallucination) is a hallmark symptom of Schizophrenia. **2. Why other options are incorrect:** * **Illusions:** These are **misinterpretations** of a real external stimulus. For example, mistaking a rope for a snake in the dark. Here, the stimulus (rope) exists, but the perception is distorted. * **Impulse:** This refers to a sudden, strong, and unreflective urge or desire to act. It is a disorder of **conation/behavior**, not perception (e.g., Kleptomania). * **Phobia:** This is a persistent, irrational, and excessive **fear** of a specific object, activity, or situation. It is a disorder of **content of thought/emotion**. **Clinical Pearls for NEET-PG:** * **Hypnagogic Hallucinations:** Occur while falling asleep (Normal/Narcolepsy). * **Hypnopompic Hallucinations:** Occur while waking up (Normal/Narcolepsy). * **Functional Hallucination:** A real stimulus triggers a hallucination in the same sensory modality (e.g., hearing voices only when the tap is running). * **Reflex Hallucination:** A stimulus in one sensory modality triggers a hallucination in another (e.g., seeing colors when hearing music). * **Most common hallucination in Psychiatry:** Auditory (Schizophrenia). * **Most common hallucination in Organic Brain Syndromes:** Visual (Delirium).

Question 27: Which of the following is not a new entity added in the proposed ICD-11?

A. Olfactory reference disorder
B. Compulsive sexual behavior disorder
C. Complex post-traumatic stress disorder
D. Schizophreniform disorder (Correct Answer)

Explanation: ### Explanation The **ICD-11 (International Classification of Diseases, 11th Revision)**, released by the WHO, introduced several new diagnostic entities to better reflect clinical presentations. **Why Schizophreniform Disorder is the correct answer:** **Schizophreniform disorder** is a diagnostic category found in the **DSM-5** (defined by symptoms lasting 1–6 months). However, it has **never been a category in the ICD system**. In ICD-11, such presentations are typically classified under "Acute and transient psychotic disorder" (if symptoms last less than one month) or "Schizophrenia" (if symptoms persist beyond one month). Therefore, it is not a "newly added" entity in ICD-11; it remains absent. **Analysis of Incorrect Options:** * **Olfactory reference disorder:** A new addition to the **Obsessive-Compulsive and Related Disorders** section. It involves a persistent preoccupation with the belief that one emits a foul or offensive body odor that is not perceptible to others. * **Compulsive sexual behavior disorder:** Newly added under **Impulse Control Disorders**. It is characterized by a persistent pattern of failure to control intense, repetitive sexual impulses or urges. * **Complex post-traumatic stress disorder (C-PTSD):** A new entity distinct from PTSD. It includes the core symptoms of PTSD plus "disturbances in self-organization" (affect dysregulation, negative self-concept, and interpersonal difficulties), usually following prolonged or repeated trauma. **High-Yield NEET-PG Pearls:** * **Gaming Disorder:** Another major new addition to ICD-11 under "Disorders due to substance use or addictive behaviors." * **Prolonged Grief Disorder:** Newly added to describe grief persisting beyond 6 months (ICD-11) or 12 months (DSM-5-TR). * **Duration Criteria:** Remember that for a diagnosis of **Schizophrenia**, ICD-11 requires symptoms for **1 month**, whereas DSM-5 requires **6 months**.

Question 28: Frontal lobe syndrome is characterized by all of the following except?

A. Slowed thinking
B. Decreased curiosity
C. Social withdrawal
D. Good judgment (Correct Answer)

Explanation: **Explanation:** Frontal lobe syndrome refers to a clinical condition resulting from damage to the prefrontal cortex, the area responsible for **Executive Functions**. These functions include planning, decision-making, social behavior, and judgment. **Why "Good Judgment" is the correct answer:** The frontal lobe acts as the "CEO" of the brain. When it is damaged, patients lose the ability to evaluate consequences or make sound decisions. Therefore, **impaired judgment** (poor judgment) is a hallmark of frontal lobe syndrome, making "Good judgment" the incorrect statement and the correct option for this "except" question. **Analysis of other options:** * **Slowed thinking (A):** Damage to the frontal subcortical circuits leads to psychomotor slowing and "bradyphrenia" (slowness of thought), often seen in the apathetic variant of the syndrome. * **Decreased curiosity (B) & Social withdrawal (C):** These are features of the **Dorsolateral Prefrontal Cortex (DLPFC)** or **Anterior Cingulate** lesions. Patients often exhibit "Abulia" (lack of will), loss of drive, and a lack of interest in their surroundings or social interactions. **High-Yield Clinical Pearls for NEET-PG:** 1. **Three Classic Syndromes:** * **Orbitofrontal Cortex:** Results in disinhibition, impulsivity, and antisocial behavior (e.g., Phineas Gage). * **Dorsolateral Prefrontal:** Results in executive dysfunction and poor working memory. * **Mesial Frontal/Anterior Cingulate:** Results in akinetic mutism or apathy. 2. **Primitive Reflexes:** Frontal lobe lesions often lead to the reappearance of "frontal release signs" like the **Grasp, Snout, and Rooting reflexes**. 3. **Witzelsucht:** A characteristic feature where patients make inappropriate jokes and find them hilarious despite others' reactions.

Question 29: What is a differentiating feature between neurosis and psychosis?

A. Insight is preserved in the patient.
B. Lack of insight is present in the patient. (Correct Answer)
C. Personality and behavior are preserved.
D. None of the above.

Explanation: ### Explanation The fundamental distinction between neurosis and psychosis lies in the patient’s relationship with reality and their awareness of their condition. **1. Why the Correct Answer is Right (Option B):** In **Psychosis** (e.g., Schizophrenia, Mania), there is a gross impairment in reality testing. The hallmark feature is a **lack of insight**, meaning the patient does not recognize their symptoms (like hallucinations or delusions) as abnormal or part of an illness. Conversely, in **Neurosis** (e.g., Anxiety disorders, OCD), insight is typically **preserved**; the patient recognizes their thoughts or behaviors as irrational or distressing and often seeks help voluntarily. **2. Why the Incorrect Options are Wrong:** * **Option A:** While "Insight is preserved" is a feature of neurosis, the question asks for a differentiating feature based on the provided key. In clinical exams, the presence of a "lack of insight" is the definitive diagnostic marker used to categorize a condition as psychotic. * **Option C:** While personality is often "disorganized" in psychosis and "preserved" in neurosis, this is a subjective clinical observation. Insight is considered the more objective and primary differentiating criterion in psychiatric evaluation. **3. High-Yield Clinical Pearls for NEET-PG:** * **Reality Testing:** Intact in neurosis; lost in psychosis. * **Personality:** Remains intact in neurosis; often undergoes "social disintegration" or fragmentation in psychosis. * **Ego-Syntonic vs. Ego-Dystonic:** Neurotic symptoms are usually **ego-dystonic** (unacceptable to the self), whereas psychotic symptoms are often **ego-syntonic** (perceived as part of the self/reality). * **Etiology:** Neuroses are often linked to environmental stress or psychological conflicts; psychoses often have a stronger biological/genetic basis.

Question 30: Deliberately pretending to have a disability or illness in order to receive financial or other gains is called:

A. Malingering (Correct Answer)
B. Factitious disorder
C. Conversion
D. Somatoform disorder

Explanation: **Explanation:** The core concept in this question is the presence of **external incentive**. **1. Why Malingering is Correct:** Malingering is not a psychiatric illness but a behavior. It involves the intentional production of false or grossly exaggerated physical or psychological symptoms, motivated by **external incentives** (secondary gains). These gains typically include financial compensation, avoiding work/military duty, evading criminal prosecution, or obtaining drugs. **2. Analysis of Incorrect Options:** * **Factitious Disorder (e.g., Munchausen Syndrome):** Symptoms are intentionally produced (like malingering), but the motivation is to assume the **"sick role"** (primary gain) rather than for external rewards. There is no obvious external incentive. * **Conversion Disorder (Functional Neurological Symptom Disorder):** Symptoms (usually neurological, like paralysis or blindness) are **unintentional** and unconscious. They are often triggered by psychological stress. * **Somatoform Disorder (Somatic Symptom Disorder):** The patient has persistent physical complaints that cause significant distress, but the symptoms are **not** intentionally produced or faked. **3. NEET-PG Clinical Pearls:** * **Malingering vs. Factitious:** If the patient wants a "check" (money), it’s Malingering. If the patient wants a "bed" (care/attention), it’s Factitious. * **Clues to Malingering:** Discrepancy between subjective complaints and objective findings, lack of cooperation during evaluation, and presence of Antisocial Personality Disorder. * **La Belle Indifference:** Classically associated with Conversion Disorder, where the patient appears surprisingly unconcerned about their severe disability.

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Clinical Interview Techniques

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Mental Status Examination

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Diagnostic Formulation

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Rating Scales and Questionnaires

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Psychological Testing

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Neuropsychological Assessment

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Risk Assessment

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Laboratory Investigations in Psychiatry

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Neuroimaging in Clinical Assessment

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Cultural Considerations in Assessment

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Developmental Assessment

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Diagnostic Classification Systems

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