Psychiatric Assessment and Diagnosis — MCQs

Psychiatric Assessment and Diagnosis Indian Medical PG Practice Questions and MCQs

Question 261: Suicidal tendencies are least common with whom?

A. Being alone
B. Depression
C. Being male
D. Being married (Correct Answer)

Explanation: **Explanation:** The correct answer is **D. Being married**. This question assesses knowledge of the sociodemographic risk factors for suicide, a high-yield topic in Psychiatry. **1. Why "Being Married" is correct:** Marriage is considered a significant **protective factor** against suicide. It provides social support, emotional stability, and a sense of responsibility toward family members (especially if there are children). According to Durkheim’s sociological theory, marriage increases "social integration," which inversely correlates with suicide rates. **2. Why the other options are incorrect:** * **Being alone (A):** Social isolation, being single, divorced, or widowed significantly increases suicide risk. Living alone lacks the "buffer" of social support. * **Depression (B):** Psychiatric disorders are the strongest predictors of suicide. Approximately 15% of patients with severe Depressive Disorder eventually die by suicide. It is a major risk factor, not a protective one. * **Being male (C):** While women make more suicide *attempts* (3:1 ratio), men are more likely to *complete* suicide (3:1 ratio) because they tend to use more lethal methods (e.g., firearms, hanging). **Clinical Pearls for NEET-PG:** * **The "Sad Persons" Scale:** A mnemonic used to assess suicide risk (Sex, Age, Depression, Previous attempt, Ethanol, Rational thinking loss, Social supports lacking, Organized plan, No spouse, Sickness). * **Highest Risk Group:** Elderly white males (especially those with chronic pain or terminal illness). * **Paradoxical Suicide:** Risk increases shortly after starting antidepressants or during early recovery from depression, as the patient gains the physical energy to carry out a plan before the suicidal ideation subsides. * **Protective Factors:** Marriage, pregnancy, having young children, and strong religious beliefs.

Question 262: Hysteria is characterised by

A. Indifference to suffering (Correct Answer)
B. Flight of ideas
C. Pressure of speech
D. Autistic thinking

Explanation: **Explanation:** The correct answer is **Indifference to suffering (Option A)**. In the context of psychiatry, "Hysteria" (historically used to describe what are now classified as **Dissociative (Conversion) Disorders**), is classically associated with a phenomenon known as ***La belle indifférence***. 1. **Why Option A is correct:** *La belle indifférence* refers to a paradoxical lack of concern or anxiety regarding severe physical symptoms (e.g., sudden paralysis or blindness) that have no organic cause. The patient appears emotionally detached from their disability, which is a hallmark clinical feature used to differentiate conversion disorders from organic pathologies or malingering. 2. **Why other options are incorrect:** * **Flight of ideas (B) and Pressure of speech (C):** These are classic features of a **Manic Episode** (Bipolar Disorder). Flight of ideas involves a rapid shifting of ideas with fragmented connections, while pressure of speech is an increased rate and quantity of speech that is difficult to interrupt. * **Autistic thinking (D):** This is one of the "4 As" of **Schizophrenia** described by Eugen Bleuler. It refers to a private, internal world of fantasy and preoccupation with self, where the patient loses touch with external reality. **High-Yield Clinical Pearls for NEET-PG:** * **Primary Gain:** The internal relief from anxiety by keeping an unconscious conflict out of awareness (the core mechanism of Conversion Disorder). * **Secondary Gain:** The external benefits derived from being "sick," such as avoiding work or gaining sympathy. * **Ganser Syndrome:** Often called "hysterical pseudodementia," characterized by "approximate answers" (e.g., 2+2=5), typically seen in forensic/prison settings.

Question 263: EEG is used in the diagnosis of which of the following conditions, except?

A. Intermittent explosive disorder (Correct Answer)
B. Panic disorder
C. Anxiety disorder
D. Bipolar disorder

Explanation: **Explanation:** In psychiatric practice, the Electroencephalogram (EEG) is primarily used to rule out organic brain disorders (like epilepsy or tumors) that mimic psychiatric symptoms. **Why Intermittent Explosive Disorder (IED) is the correct answer:** IED is characterized by repeated, sudden episodes of impulsive, aggressive, or violent behavior. There is a strong clinical association between temporal lobe abnormalities and impulse control. Research indicates that a significant percentage of patients with IED (up to 20%–50%) show **non-specific EEG abnormalities**, such as slowing or paroxysmal discharges. Therefore, an EEG is a standard part of the diagnostic workup for IED to rule out **Temporal Lobe Epilepsy (TLE)**, which can present with similar "episodic dyscontrol." **Why the other options are incorrect:** * **Panic Disorder, Anxiety Disorder, and Bipolar Disorder:** These are considered "functional" psychiatric disorders. While research may show subtle changes in brain wave patterns in these conditions, EEG is **not** a diagnostic tool for them in clinical practice. Diagnosis for these conditions is based strictly on clinical criteria (DSM-5/ICD-11). Using an EEG for these would not provide diagnostic clarity or change the management plan. **High-Yield Clinical Pearls for NEET-PG:** * **EEG in Psychiatry:** Most useful in diagnosing Delirium (generalized slowing), Dementia (to rule out CJD), and differentiating Pseudo-seizures from Epilepsy. * **Delirium vs. Psychosis:** EEG is the gold standard to differentiate; Delirium shows generalized theta/delta slowing (except in Alcohol Withdrawal/DTs, where it shows low-voltage fast activity), while functional psychosis shows a normal EEG. * **Drug Effects:** Clozapine and Lithium are notorious for lowering the seizure threshold and causing EEG changes (spikes and sharp waves).

Question 264: Derealization and depersonalization are characteristic symptoms of which type of disorder?

A. Dissociative disorder (Correct Answer)
B. Personality disorders
C. Mania
D. None of the above

Explanation: **Explanation:** **1. Why Dissociative Disorder is Correct:** Depersonalization and derealization are core symptoms of **Dissociative Disorders** (specifically Depersonalization-Derealization Disorder). * **Depersonalization:** A subjective experience of unreality or detachment from one’s own self (e.g., feeling like an outside observer of one’s body or mental processes). * **Derealization:** A sense of unreality or detachment from the surroundings (e.g., individuals or objects are experienced as dreamlike, foggy, or visually distorted). In these disorders, reality testing remains intact, but the individual experiences a profound disruption in the usually integrated functions of consciousness and perception. **2. Why Other Options are Incorrect:** * **Personality Disorders:** These are enduring, pervasive patterns of inner experience and behavior (e.g., Borderline, Schizoid). While transient dissociation can occur under extreme stress in Borderline Personality Disorder, it is not the defining characteristic of the category. * **Mania:** This is a mood state characterized by elation, pressured speech, and grandiosity. While a manic patient may experience psychosis (delusions/hallucinations), depersonalization is not a diagnostic hallmark of bipolar affective disorder. **3. Clinical Pearls for NEET-PG:** * **Reality Testing:** Unlike psychosis, in Depersonalization-Derealization disorder, the patient **knows** the feeling is not real (intact reality testing). * **ICD-10/11 & DSM-5:** Depersonalization-derealization syndrome is classified under Dissociative disorders. * **Common Trigger:** Severe anxiety or traumatic stress often precedes dissociative episodes. * **Differential:** Always rule out temporal lobe epilepsy or substance use (e.g., ketamine, marijuana) which can mimic these symptoms.

Question 265: A mentally ill person smells an unpleasant odor when none is present. This is an example of:

A. Illusion
B. Delusion
C. Obsession
D. Hallucination (Correct Answer)

Explanation: ### Explanation **Correct Answer: D. Hallucination** **Why it is correct:** A **hallucination** is defined as a false sensory perception in the absence of an external stimulus. In this scenario, the patient perceives an unpleasant odor (olfactory sensation) despite no physical source being present. Hallucinations can occur in any sensory modality (visual, auditory, olfactory, gustatory, or tactile). Olfactory hallucinations (phantosmia) are often associated with temporal lobe epilepsy (uncinate fits) or organic brain lesions, though they can also occur in schizophrenia and severe depression. **Why the other options are incorrect:** * **A. Illusion:** This is a misinterpretation of a **real** external stimulus (e.g., mistaking a rope for a snake in the dark). In the question, no stimulus is present at all. * **B. Delusion:** This is a disorder of **thought content**, defined as a fixed, false belief that is out of keeping with the patient’s social and cultural background and cannot be corrected by logic. It is not a sensory perception. * **C. Obsession:** This is a disorder of **thought form/process**, characterized by repetitive, intrusive, and distressing thoughts, impulses, or images that the patient recognizes as their own but finds difficult to resist. **NEET-PG High-Yield Pearls:** * **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). * **Most common type:** Auditory hallucinations are the most common in Schizophrenia; Visual hallucinations are more common in organic brain syndromes (delirium/dementia). * **Formication:** A specific tactile hallucination (feeling of insects crawling under the skin) common in cocaine withdrawal and delirium tremens. * **Reflex Hallucination:** A stimulus in one sensory modality triggers a hallucination in another (e.g., hearing a sound triggers a visual hallucination).

Question 266: A patient presents with a discrepancy between their reported history and examination findings. Which of the following conditions should you be aware of in this situation?

A. Malingering (Correct Answer)
B. Factitious disorder
C. Somatization syndrome
D. Dissociative fugue

Explanation: **Explanation:** The core clinical feature described is a **discrepancy between subjective history and objective findings**, which is a hallmark of **Malingering**. Malingering is not a psychiatric illness but a behavior where an individual intentionally produces false or grossly exaggerated physical or psychological symptoms. The primary motivation is an **external incentive** (secondary gain), such as avoiding military duty, evading criminal prosecution, obtaining financial compensation (litigation), or procuring drugs. **Analysis of Options:** * **Malingering (Correct):** Characterized by intentional symptom production for external gain. Suspicion should arise if there is a marked discrepancy between claims of distress and objective findings, lack of cooperation during evaluation, or the presence of Antisocial Personality Disorder. * **Factitious Disorder:** While symptoms are intentionally produced (like malingering), the motivation is an **internal gain**—the desire to adopt the "sick role" and receive medical attention (e.g., Munchausen syndrome). There is no external incentive. * **Somatization Syndrome (Somatic Symptom Disorder):** The symptoms are **not** intentionally produced. The patient genuinely experiences distress, but the symptoms lack a fully explainable organic basis. * **Dissociative Fugue:** A subtype of dissociative amnesia involving sudden, unexpected travel away from home combined with an inability to recall one’s past or identity. It does not typically present as a discrepancy between history and physical exam findings. **High-Yield Clinical Pearls for NEET-PG:** * **Malingering:** Intentional symptoms + External gain. * **Factitious Disorder:** Intentional symptoms + Internal/Sick role gain. * **Somatic Symptom Disorder:** Unintentional symptoms + No organic cause. * **Key Differentiator:** The presence of a "conscious intent" and the "nature of the goal" (External vs. Internal) are the most tested distinctions in these disorders.

Question 267: What is the IQ range for moderate mental retardation?

A. 90-70
B. 70-50
C. 50-35 (Correct Answer)
D. 35-20

Explanation: **Explanation:** Mental Retardation (now clinically referred to as **Intellectual Disability**) is categorized based on Intelligence Quotient (IQ) scores. According to the ICD-10 classification, **Moderate Mental Retardation** corresponds to an **IQ range of 35–49 (often rounded to 35–50)**. Individuals in this category are considered "trainable"; they can acquire communication skills and perform semi-skilled work under supervision but usually require support to live independently. **Analysis of Options:** * **Option A (90–70):** This range represents **Borderline Intelligence**. It is not classified as mental retardation, though individuals may face significant learning challenges. * **Option B (70–50):** This is **Mild Mental Retardation** (Educable). It is the most common type (85% of cases). These individuals can achieve academic skills up to the 6th-grade level. * **Option C (50–35):** **Correct.** This defines **Moderate Mental Retardation**. * **Option D (35–20):** This is **Severe Mental Retardation**. These individuals may learn to talk and can be trained in basic self-care (e.g., toileting) but require a highly structured environment. (IQ <20 is classified as Profound). **High-Yield Clinical Pearls for NEET-PG:** * **Most common cause:** Genetic (Down Syndrome is the most common chromosomal cause; Fragile X is the most common inherited cause). * **Assessment Tool:** In children, the **Binet-Kamat Test** or **VSMS** (Vineland Social Maturity Scale) are frequently used in India. * **The "Rule of 15":** A quick way to remember the ranges is to subtract 15 points for each level starting from 70 (70-55 Mild, 55-40 Moderate, 40-25 Severe), though the ICD-10 ranges (70-50-35-20) are the standard for exams.

Question 268: Astasia-abasia is seen in patients with which of the following disorders?

A. Illness anxiety disorder
B. Conversion disorder (Correct Answer)
C. Somatic symptom disorder
D. Depression

Explanation: **Explanation:** **Astasia-abasia** is a psychogenic gait disturbance characterized by the inability to stand (**astasia**) or walk (**abasia**) in a normal manner, despite having intact motor strength, sensation, and coordination when tested in a seated or supine position. 1. **Why Conversion Disorder is correct:** Conversion Disorder (Functional Neurological Symptom Disorder) involves neurological symptoms (motor or sensory) that are inconsistent with established pathophysiological mechanisms and are often triggered by psychological stressors. Astasia-abasia is a classic presentation where the patient exhibits a bizarre, staggering, or "wild" gait, often performing near-falls that are miraculously recovered, demonstrating intact postural reflexes. This "internal inconsistency" is a hallmark of conversion symptoms. 2. **Why other options are incorrect:** * **Illness Anxiety Disorder:** Patients are preoccupied with having or acquiring a serious illness (hypochondriasis) but typically do not present with actual neurological deficits or gait disturbances. * **Somatic Symptom Disorder:** Characterized by multiple, distressing physical symptoms (e.g., pain, fatigue) accompanied by excessive thoughts and behaviors. While it involves physical complaints, it does not typically manifest as the specific neurological "pseudoparalysis" seen in astasia-abasia. * **Depression:** While depression can cause psychomotor retardation (slowed movement), it does not produce the specific, dramatic gait abnormalities seen in astasia-abasia. **High-Yield Clinical Pearls for NEET-PG:** * **La Belle Indifference:** A classic (though not universal) feature of Conversion Disorder where the patient appears surprisingly unconcerned about their severe disability. * **Hoover’s Sign:** A clinical test used to differentiate conversion weakness from organic leg weakness (extension of the affected leg when the patient flexes the contralateral hip against resistance). * **Primary Gain:** Internal conflict resolution (e.g., anxiety reduction). * **Secondary Gain:** External benefits (e.g., avoiding work or gaining attention).

Question 269: Which of the following is related to Ganser syndrome in a patient who is apparently healthy physically?

A. Approximate answers (Correct Answer)
B. Ataxia
C. Confusion
D. Repeated answers

Explanation: **Ganser Syndrome**, also known as "Hysterical Pseudodementia" or the "Syndrome of Approximate Answers," is a rare dissociative disorder (often classified under Factitious Disorders in modern literature) characterized by the production of **approximate answers** (*Vorbeireden*). ### Why the Correct Answer is Right: The hallmark of Ganser syndrome is the **"approximate answer,"** where the patient provides an answer that is clearly wrong but indicates that they have understood the nature of the question. For example, if asked how many legs a horse has, the patient might answer "five," or if asked the color of the sky, they might say "green." This suggests the patient is "skidding past" the correct answer, implying a subconscious or conscious attempt to appear mentally ill. ### Why the Other Options are Wrong: * **B. Ataxia:** While Ganser syndrome can involve "dissociative motor symptoms," ataxia is not a defining feature. Ataxia usually points toward neurological conditions or substance intoxication. * **C. Confusion:** Although patients may appear to be in a "clouded state" or trance-like condition, "confusion" is a non-specific term. The specific diagnostic identifier for this syndrome is the nature of the answers provided, not general disorientation. * **D. Repeated answers:** This refers to *palilalia* or *perseveration*, which are common in organic brain syndromes or schizophrenia, but not characteristic of Ganser syndrome. ### NEET-PG High-Yield Pearls: * **Classic Tetrad:** 1. Approximate answers (*Vorbeireden*), 2. Clouding of consciousness, 3. Somatic conversion symptoms, 4. Hallucinations (usually visual or auditory). * **Demographics:** Most commonly associated with **prison inmates** (forensic settings) where there is a clear secondary gain (avoiding trial or sentencing). * **Etiology:** Historically considered a dissociative response to extreme stress; currently debated between a Dissociative Disorder and a Factitious Disorder. * **Recovery:** Symptoms typically resolve rapidly once the stressful situation (e.g., legal proceedings) is resolved.

Question 270: A patient presents with a history of continuous headache for the past 8 years. Repeated examinations have failed to reveal any lesion. The patient is convinced that he has a tumor in his brain. What is the most likely diagnosis?

A. Hypochondriasis (Correct Answer)
B. Somatization
C. Somatoform pain disorder
D. Obsessive Compulsive Disorder

Explanation: **Explanation:** The core feature of this clinical scenario is the patient’s **preoccupation and conviction** that they have a serious underlying disease (brain tumor), despite repeated medical reassurances and negative investigations. **1. Why Hypochondriasis is correct:** In **Hypochondriasis** (now classified under Illness Anxiety Disorder in DSM-5), the patient misinterprets normal bodily sensations or minor symptoms (like a headache) as evidence of a grave illness. The hallmark is the **belief/conviction** of having a specific disease, which persists for at least 6 months despite negative diagnostic tests. **2. Why other options are incorrect:** * **Somatization Disorder:** Characterized by **multiple, recurrent, and frequently changing** physical symptoms (involving gastrointestinal, sexual, and neurological systems) rather than a conviction about one specific disease. * **Somatoform Pain Disorder:** The primary complaint is severe, persistent pain that cannot be fully explained by a physiological process. While this patient has a headache, the defining feature here is his **conviction of having a tumor**, which shifts the diagnosis to Hypochondriasis. * **Obsessive Compulsive Disorder (OCD):** While the thoughts are repetitive, they are experienced as intrusive (ego-dystonic) and are usually accompanied by compulsions to neutralize anxiety. In Hypochondriasis, the patient typically believes the threat is real. **High-Yield Clinical Pearls for NEET-PG:** * **Hypochondriasis vs. Delusional Disorder (Somatic type):** In Hypochondriasis, the belief is a "strong preoccupation" (overvalued idea); if the belief is fixed, unshakable, and out of touch with reality, it becomes a Somatic Delusion. * **Doctor Shopping:** Patients with Somatoform disorders frequently change doctors due to dissatisfaction with reassurance. * **Management:** The goal is "management" rather than "cure," focusing on a single primary care physician and Cognitive Behavioral Therapy (CBT).

Practice by Chapter

Clinical Interview Techniques

Practice Questions

Mental Status Examination

Practice Questions

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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