Psychiatric Assessment and Diagnosis Practice Questions

Q: A 45-year-old male presents with a 7-day history of continuous, non-progressive headache. He believes he has a brain tumor and has consulted multiple neurologists, with all investigations being within normal limits. He requests further investigations to confirm the presence of a brain tumor. Psychiatric evaluation suggests the condition is present despite normal investigations. What is the most probable diagnosis?

Hypochondriasis. **Explanation:** The core feature of this case is the **preoccupation with the fear or idea of having a serious disease** (brain tumor) based on a misinterpretation of bodily symptoms (headache), which persists despite medical reassurance and normal investigations. **1. Why Hypochondriasis is correct:** In **Hypochondriasis** (now termed Illness Anxiety Disorder in DSM-5), the patient’s primary concern is the *meaning* of the symptom rather than the symptom itself. The patient is convinced they have a specific, serious underlying pathology. The duration (though typically 6 months for a formal diagnosis, the clinical presentation here is classic) and the "doctor-shopping" behavior are hallmark features. **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 preoccupation with a single serious disease. * **Somatoform Pain Disorder:** The primary complaint is persistent, severe, and distressing pain that cannot be fully explained by a physiological process. The focus is on the *pain* itself, not a specific underlying diagnosis like a tumor. * **Conversion Disorder (Functional Neurological Symptom Disorder):** Involves a loss or change in motor or sensory function (e.g., paralysis, blindness, seizures) that suggests a neurological condition but is triggered by psychological conflict or stress. **Clinical Pearls for NEET-PG:** * **Hypochondriasis:** Focus is on the **Disease** (Fear of having a tumor). * **Somatization:** Focus is on the **Symptoms** (Multiple vague complaints). * **Conversion:** Focus is on **Function** (Loss of voluntary motor/sensory power). * **Factitious Disorder:** Symptoms are intentionally produced to assume the "sick role" (internal gain). * **Malingering:** Symptoms are faked for external gain (e.g., money, avoiding work).

Q: False perception without any external stimulus is known as:

Hallucination. ### Explanation **Correct Answer: B. Hallucination** **Why it is correct:** A **hallucination** is defined as a sensory perception in the absence of an external stimulus. It is a disorder of **perception**. The individual "sees," "hears," or "feels" something that is not actually present in the environment. Hallucinations can occur in any sensory modality (auditory, visual, olfactory, gustatory, or tactile). **Analysis of Incorrect Options:** * **A. Illusion:** This is a **misinterpretation** of a real external stimulus. For example, perceiving a rope as a snake in the dark. Unlike hallucinations, an actual object must be present. * **C. Delirium:** This is an acute, reversible state of **confusion** characterized by clouded consciousness, disorientation, and fluctuating levels of attention. While hallucinations (especially visual) can occur *during* delirium, the term itself refers to the global cognitive syndrome, not the specific act of false perception. * **D. Delusion:** This is a disorder of **thought content**. It is defined as a fixed, false belief that is out of keeping with the patient’s social, cultural, and educational background and cannot be corrected by logical reasoning. **High-Yield Clinical Pearls for NEET-PG:** * **Most common hallucination in Schizophrenia:** Auditory (specifically third-person). * **Most common hallucination in Organic Brain Syndromes (e.g., Delirium):** Visual. * **Hypnagogic Hallucinations:** Occur while falling asleep (Normal/Narcolepsy). * **Hypnopompic Hallucinations:** Occur while waking up (Normal/Narcolepsy). * **Formication:** A tactile hallucination (feeling of insects crawling on skin) commonly seen in Cocaine withdrawal (**Cocaine Bugs**) or Delirium Tremens.

Q: A husband suspects his wife is having an affair with another man. What is the most likely diagnosis for this belief?

Delusion. **Explanation:** The correct answer is **Delusion**. A **delusion** is defined as a fixed, false belief that is out of keeping with the patient’s social, cultural, and educational background and is held with absolute subjective certainty despite clear evidence to the contrary. In this scenario, the husband’s unfounded belief that his wife is unfaithful is a classic example of a **Delusion of Infidelity** (also known as **Conjugal Paranoia** or **Othello Syndrome**). This is a common symptom in disorders like Delusional Disorder or Schizophrenia. **Why other options are incorrect:** * **Illusion:** This is a misinterpretation of a real external sensory stimulus (e.g., mistaking a rope for a snake). It is a disorder of perception, not a fixed belief. * **Hallucination:** This is a sensory perception in the absence of any external stimulus (e.g., hearing voices when no one is speaking). Like illusions, these are disorders of perception. * **Delirium:** This is an acute, reversible state of confusion characterized by a clouded consciousness, fluctuating levels of awareness, and global cognitive impairment, usually due to an underlying medical condition. **Clinical Pearls for NEET-PG:** * **Othello Syndrome:** Specifically refers to a morbid or delusional jealousy where the patient is convinced of their partner's infidelity without proof. It is often associated with chronic alcoholism. * **De Clerambault’s Syndrome:** Also known as Erotomania; the delusion that a person (usually of higher status) is in love with the patient. * **Capgras Syndrome:** The delusion that a familiar person has been replaced by an identical-looking impostor. * **Fregoli Syndrome:** The delusion that different people are actually a single person in disguise.

Q: Which of the following is a dissociative phenomenon?

Amnesia. **Explanation:** Dissociative disorders are characterized by a disruption in the usually integrated functions of consciousness, memory, identity, or perception of the environment. **Why Amnesia is the correct answer:** **Dissociative Amnesia** is the most common dissociative phenomenon. It involves an inability to recall important personal information, usually of a traumatic or stressful nature, that is too extensive to be explained by ordinary forgetfulness. It is a functional impairment where the memory "trace" exists but is temporarily inaccessible to conscious recall. **Analysis of Incorrect Options:** * **Fugue:** While "Dissociative Fugue" is a dissociative state, it is technically a **subtype or specifier** of Dissociative Amnesia (DSM-5). In many standardized exams, if both are listed, Amnesia is considered the primary phenomenon/symptom, whereas Fugue is a complex state involving purposeful travel. * **Deafness:** While "Dissociative Deafness" can occur, it falls under **Conversion Disorder** (Functional Neurological Symptom Disorder) in modern classification. Conversion disorders involve motor or sensory loss, whereas dissociation primarily involves memory and identity. * **Lack of Insight:** This is a general clinical feature seen in many psychiatric conditions (like psychosis or mania) and is not specific to the mechanism of dissociation. **NEET-PG High-Yield Pearls:** * **Ganser Syndrome:** Also known as "approximate answers," it is a rare dissociative disorder often seen in prisoners. * **Depersonalization/Derealization:** A dissociative core symptom where one feels detached from their body or surroundings. * **Treatment:** The primary treatment for dissociative disorders is **Psychotherapy** (Cognitive Behavioral Therapy or Psychodynamic therapy); there are no specific FDA-approved medications.

Q: Repetition of movements, actions, words, and phrases is known as?

Perseveration. **Explanation:** **Correct Answer: C. Perseveration** Perseveration is the persistent repetition of a specific response (such as a word, phrase, or gesture) despite the absence or cessation of the original stimulus. In clinical psychiatry, it is a sign of **executive dysfunction** and is most commonly associated with **Organic Brain Disorders** (like Dementia or Delirium) and **Schizophrenia**. The patient is unable to "shift sets," meaning they remain stuck on a previous idea or movement even when a new topic is introduced. **Why other options are incorrect:** * **A. Fusion:** This is a formal thought disorder seen in Schizophrenia where heterogeneous ideas are joined together to form a new, often nonsensical, concept. * **B. Mannerism:** These are abnormal, repetitive, and **goal-directed** movements (e.g., a frequent salute or a specific way of adjusting glasses) that are carried out in a stylized or exaggerated fashion. * **D. Stereotypy:** These are repetitive, non-goal-directed, and **purposeless** movements or speech (e.g., body rocking or repetitive tapping) that are often seen in Catatonic Schizophrenia and Autism. Unlike perseveration, they are not triggered by a specific prior stimulus or question. **NEET-PG High-Yield Pearls:** * **Perseveration** is a hallmark of **Frontal Lobe lesions**. * **Palilalia** is a specific type of perseveration involving the repetition of one's own words with increasing frequency. * **Logoclonia** is the repetition of the last syllable of a word (common in Alzheimer’s). * **Verbigeration** (Word Salad) is often confused with stereotypy but refers specifically to the senseless repetition of words/sentences without a stimulus.

Q: What term describes a strong belief about something that lacks complete conviction?

Overvalued belief. ### Explanation **Correct Answer: D. Overvalued belief** An **overvalued belief** is defined as a solitary, abnormal belief that is neither delusional nor obsessive in nature, but which is preoccupied by the patient to an unreasonable degree. The key distinguishing feature is the **lack of complete conviction**; unlike a delusion, the patient may acknowledge the possibility that the belief is incorrect when challenged, though they continue to prioritize it above all else. These are often seen in conditions like Anorexia Nervosa (belief about body shape) or Hypochondriasis. **Why other options are incorrect:** * **A. Delusion:** These are fixed, false beliefs held with **absolute subjective certainty** (100% conviction) that are not amenable to change despite clear evidence to the contrary and are out of keeping with the patient’s cultural background. * **B. Phobia:** This is an **irrational, excessive fear** of a specific object or situation, leading to avoidance behavior. It is an emotional/anxiety response rather than a primary disturbance of belief. * **C. Obsession:** These are recurrent, intrusive, and senseless thoughts, impulses, or images. Crucially, the patient recognizes them as **ego-dystonic** (foreign to their personality) and usually tries to resist them. **Clinical Pearls for NEET-PG:** * **Hierarchy of Belief Certainty:** Obsession (recognized as irrational) < Overvalued Belief (strong preoccupation, lacks full conviction) < Delusion (fixed, absolute conviction). * **Overvalued beliefs** are often associated with **Personality Disorders** (e.g., Paranoid or Schizotypal) and **Eating Disorders**. * If a patient has a "shaky" belief that they can be talked out of, it is likely an overvalued belief; if they are "unshakeable" despite logic, it is a delusion.

Q: What aspect of the Mini-Mental State Examination (MMSE) is given the maximum score?

Orientation. The **Mini-Mental State Examination (MMSE)**, or Folstein Test, is a 30-point questionnaire used extensively in clinical practice to screen for cognitive impairment and dementia. ### Why Orientation is Correct Orientation carries the highest weightage in the MMSE, with a total of **10 points**. It is divided into two components: 1. **Orientation to Time (5 points):** Year, season, date, day, and month. 2. **Orientation to Place (5 points):** State, county, town/city, hospital, and floor. ### Analysis of Incorrect Options * **Recall (3 points):** This tests short-term memory by asking the patient to recall three objects previously mentioned during the "Registration" phase. * **Registration (3 points):** This tests immediate memory by asking the patient to repeat the names of three unrelated objects. * **Language (8 points):** This is a composite score involving naming (2), repetition (1), three-stage command (3), reading (1), and writing a sentence (1). While high, it is still less than Orientation. * *Note: Attention and Calculation (Serial 7s or spelling "WORLD" backwards) accounts for 5 points.* ### High-Yield Clinical Pearls for NEET-PG * **Maximum Score:** 30. * **Cut-off for Cognitive Impairment:** Generally **<24**. * 20-23: Mild impairment * 10-19: Moderate impairment * <10: Severe impairment * **Major Limitation:** The MMSE is heavily influenced by the patient's **educational level** and age. It also lacks sensitivity for Mild Cognitive Impairment (MCI) and right-sided brain damage. * **Visuospatial component:** Tested by asking the patient to copy intersecting pentagons (1 point).

Q: A patient sees a rope and fears it is a snake. This phenomenon is called:

Illusion. **Explanation:** The correct answer is **A. Illusion**. An **illusion** is defined as a **misinterpretation of a real external sensory stimulus**. In this scenario, the rope is a physical object present in the environment (the stimulus), but the patient’s brain incorrectly perceives it as a snake. This is a disorder of perception common in states of high anxiety, delirium, or fatigue. **Analysis of Incorrect Options:** * **B. Hallucination:** This is a perception in the **absence** of any external stimulus (e.g., seeing a snake when there is nothing there at all). It is a "false perception." * **C. Delusion:** This is a disorder of **thought content**, not perception. It is a fixed, false belief that is out of keeping with the patient’s social and cultural background and cannot be corrected by logic. * **D. Depersonalization:** This is a dissociative symptom where the patient feels detached from themselves, as if they are an outside observer of their own body or mental processes. **Clinical Pearls for NEET-PG:** * **Illusion vs. Hallucination:** The presence of an external stimulus is the key differentiating factor. * **Pareidolia:** A specific type of illusion where vague stimuli (like clouds or patterns on a wall) are perceived as clear images (like faces). * **Hypnagogic vs. Hypnopompic:** Hallucinations occurring while falling asleep (Hypna**g**ogic = **G**o to bed) vs. waking up (Hypno**p**ompic = **P**op out of bed). * **Visual Hallucinations:** Most commonly associated with **Organic Brain Syndromes** (like Delirium or Alcohol Withdrawal) rather than functional psychoses like Schizophrenia.

Question 1

A 45-year-old male presents with a 7-day history of continuous, non-progressive headache. He believes he has a brain tumor and has consulted multiple neurologists, with all investigations being within normal limits. He requests further investigations to confirm the presence of a brain tumor. Psychiatric evaluation suggests the condition is present despite normal investigations. What is the most probable diagnosis?

Accepted Answer

Hypochondriasis

Answer

Somatization disorder

Answer

Somatoform pain disorder

Answer

Conversion disorder

Question 2

False perception without any external stimulus is known as:

Accepted Answer

Hallucination

Answer

Illusion

Answer

Delirium

Answer

Delusion

Question 3

All of the following are TRUE about hallucination, EXCEPT:

Accepted Answer

It depends upon the will of the observer

Answer

It is as vivid as sensory perception

Answer

Occurs in inner subjective space

Answer

It occurs in the absence of perceptual stimulus

Question 4

A husband suspects his wife is having an affair with another man. What is the most likely diagnosis for this belief?

Accepted Answer

Delusion

Answer

Illusion

Answer

Hallucination

Answer

Delirium

Question 5

Which of the following is a dissociative phenomenon?

Accepted Answer

Amnesia

Answer

Fugue

Answer

Deafness

Answer

Lack of insight

Question 6

Repetition of movements, actions, words, and phrases is known as?

Accepted Answer

Perseveration

Answer

Fusion

Answer

Mannerism

Answer

Stereotyping

Question 7

What term describes a strong belief about something that lacks complete conviction?

Accepted Answer

Overvalued belief

Answer

Delusion

Answer

Phobia

Answer

Obsession

Question 8

What aspect of the Mini-Mental State Examination (MMSE) is given the maximum score?

Accepted Answer

Orientation

Answer

Recall

Answer

Registration

Answer

Language

Question 9

Which of the following is NOT typically seen in hysterical somatisation?

Accepted Answer

Positive physical signs

Answer

Hemiplegia

Answer

Blindness

Answer

Fugue

Question 10

A patient sees a rope and fears it is a snake. This phenomenon is called:

Accepted Answer

Illusion

Answer

Hallucination

Answer

Delusion

Answer

Depersonalization

Psychiatric Assessment and Diagnosis — MCQs

Psychiatric Assessment and Diagnosis — MCQs

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