Psychiatric Assessment and Diagnosis Practice Questions

Q: A false belief, unexplained by reality and shared by a number of people, is termed as what?

Mass hysteria. **Explanation:** The correct answer is **Mass Hysteria** (also known as Epidemic Hysteria or Mass Psychogenic Illness). **1. Why Mass Hysteria is correct:** Mass hysteria refers to the rapid spread of illness signs and symptoms affecting a group of people, originating from a shared nervous system disturbance. The key feature in this question is the **shared nature** of the false belief. Unlike a typical delusion which is idiosyncratic (private to the individual), mass hysteria involves a collective "group-think" where a false belief or perceived threat is accepted and acted upon by multiple people simultaneously, often triggered by stress or anxiety. **2. Why the other options are incorrect:** * **Illusion (A):** 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 belief. * **Delusion (B):** While a delusion is a fixed false belief, it is defined as being **not shared** by others of the same common cultural or social background. If a belief is shared by a large group, it is generally excluded from the definition of a clinical delusion. * **Obsession (C):** These are recurrent, persistent, and intrusive thoughts, images, or urges that the individual recognizes as their own but finds distressing. They are not "beliefs" accepted as reality. **Clinical Pearls for NEET-PG:** * **Folie à deux (Shared Psychotic Disorder):** A delusion shared by only two people (usually closely related). If it involves more, it is *Folie à plusieurs*. * **Delusion Definition:** Fixed, false belief, not amenable to change in light of conflicting evidence, and **not consistent** with the patient’s educational, cultural, and social background. * **Mass Hysteria** often presents with physical symptoms (fainting, tremors) without an organic cause in a school or workplace setting.

Q: All of the following are true about delirium except?

Auditory hallucinations are more commonly present.. Delirium is an acute, transient, and reversible state of cognitive dysfunction characterized by a fluctuating level of consciousness and impaired attention. **Explanation of the Correct Answer (C):** In delirium, **visual hallucinations** are the most common type of perceptual disturbance (e.g., seeing insects or people). While auditory hallucinations can occur, they are much more characteristic of functional psychiatric disorders like Schizophrenia. Therefore, the statement that auditory hallucinations are "more common" is incorrect. **Analysis of Other Options:** * **A. Most common organic brain disorder:** This is true. Delirium is the most frequent psychiatric syndrome encountered in general hospital settings, particularly among elderly patients and those in intensive care units (ICU psychosis). * **B. Generalized slowing of waves in EEG:** This is a hallmark diagnostic feature. Most cases of delirium show diffuse slowing of background activity (theta and delta waves). *Exception:* Delirium Tremens (alcohol withdrawal), which shows low-amplitude fast activity. * **C. Sundowning phenomenon:** This is true. It refers to the worsening of confusion and agitation during the late afternoon or evening hours, often due to diminished light and sensory input. **High-Yield Clinical Pearls for NEET-PG:** * **Core Feature:** Disturbance of **consciousness** and **attention** (unlike Dementia, where consciousness is clear). * **Onset:** Acute (hours to days) with a **fluctuating** course. * **Management:** Treat the underlying medical cause. **Haloperidol** is the drug of choice for agitation (avoid benzodiazepines unless it is alcohol withdrawal delirium). * **Asterixis** (liver flap) can often be seen in metabolic delirium.

Q: A person, when asked about the similarity between a chair and a table, states that both have four legs. This is an example of:

Concrete thinking. **Explanation:** The correct answer is **Concrete Thinking**. In psychiatric assessment, the "Similarities Test" is used to evaluate a patient’s **Abstract Thinking** (part of the Mental Status Examination). When asked how two objects are alike, a person with intact abstract reasoning identifies a general category or conceptual relationship (e.g., "Both are furniture"). **Concrete thinking** is the inability to generalize or use metaphors. The patient focuses on literal, physical, or superficial attributes. Stating that a chair and table "both have four legs" is a literal, physical observation, indicating a lack of higher-level conceptualization. This is commonly seen in Schizophrenia, Intellectual Disability, and Organic Brain Syndromes. **Analysis of Incorrect Options:** * **B. Abstract Thinking:** This involves the ability to appreciate nuances and categorize objects based on shared concepts (e.g., "Both are items used for dining"). * **C. Neologism:** This is a thought form disorder where a patient creates entirely new words that have no meaning to others, often seen in Schizophrenia. It is unrelated to the interpretation of similarities. **Clinical Pearls for NEET-PG:** * **Proverb Interpretation:** Another way to test abstract thinking. A concrete response to "Don't cry over spilled milk" would be "If you drop milk, you shouldn't cry because you can't get it back." * **Differential Diagnosis:** Concrete thinking is a hallmark of the **Formal Thought Disorder** seen in Schizophrenia. * **Testing Sequence:** Always ensure the patient has an adequate educational background and intelligence level before diagnosing impaired abstraction.

Q: A 32-year-old female develops a suspicion of her husband having an affair with his secretary. This suspicion has persisted for two weeks. What is the most likely diagnosis?

Delusion. ### Explanation **Correct Answer: B. Delusion** The patient is exhibiting a **delusion**, specifically a **delusion of infidelity (Othello Syndrome)**. A delusion is defined as a false, fixed belief that is out of keeping with the patient’s social, cultural, and educational background, and cannot be corrected by logical reasoning. In this case, the persistent suspicion of her husband’s affair, held despite a lack of evidence, fits the criteria for a delusional thought process. **Why 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). It is a disorder of perception, not thought content. * **C. Hallucination:** This is a **perception in the absence of an external stimulus** (e.g., hearing voices when no one is speaking). It is a sensory experience, whereas the patient’s issue is a belief system. * **D. Delirium:** This is an **acute confusional state** characterized by fluctuating consciousness, impaired attention, and global cognitive dysfunction, usually due to an underlying medical condition. The vignette describes a specific thought abnormality without clouding of consciousness. **High-Yield Clinical Pearls for NEET-PG:** * **Delusion of Infidelity:** Also known as **Conjugal Paranoia** or **Othello Syndrome**. It is more common in males and is frequently associated with chronic alcoholism. * **Duration Criteria:** According to ICD-11/DSM-5, a **Delusional Disorder** typically requires the presence of delusions for at least **one month**. However, in the context of identifying the *type* of psychopathology (as in this question), the nature of the belief defines it as a delusion. * **Primary vs. Secondary Delusion:** Primary delusions (Autochthonous) arise spontaneously, while secondary delusions are understandable in the context of other psychiatric symptoms (like mood or hallucinations).

Q: Deja vu is characteristically seen in which of the following conditions?

All of the above. **Explanation:** **Déjà vu** is a phenomenon of **paramnesia** (a memory disorder) characterized by an inappropriate feeling of familiarity with a completely new situation. The correct answer is **All of the above** because this phenomenon occurs across a spectrum ranging from physiological to pathological states. 1. **Normal Individuals (Option B):** Déjà vu is most commonly experienced by healthy people, especially during periods of fatigue, stress, or travel. It is reported by approximately 60-70% of the general population, particularly in younger age groups. 2. **Temporal Lobe Epilepsy (Option A):** This is the classic pathological association. Déjà vu often occurs as a **psychic aura** in patients with focal seizures originating in the hippocampus or amygdala (medial temporal lobe). In this context, it is often accompanied by other symptoms like "Jamais vu" or epigastric rising sensations. 3. **Psychosis (Option C):** While less common than in epilepsy, déjà vu can occur in schizophrenia and other psychotic disorders. In these cases, the experience may be more prolonged, frequent, or incorporated into delusional interpretations (e.g., "I have lived this life before"). **Clinical Pearls for NEET-PG:** * **Paramnesia:** Déjà vu is a "Distortion of Memory," whereas amnesia is a "Loss of Memory." * **Jamais Vu:** The opposite of déjà vu; a feeling of unfamiliarity with a situation that is actually very familiar. It is also seen in Temporal Lobe Epilepsy. * **Confabulation:** Another form of paramnesia where gaps in memory are filled with fabricated stories, classically seen in **Wernicke-Korsakoff Syndrome**. * **Anatomical Site:** The **Hippocampus** and **Rhinal cortex** are the primary brain regions associated with the recognition memory involved in déjà vu.

Q: Loss of capability of doing goal-directed things, to express ideas, making irrelevant comments, but ultimately succeeding in going back to the original point is known as?

Circumstantiality. ### Explanation **Correct Answer: D. Circumstantiality** **Circumstantiality** is a disorder of the **flow/continuity of thought** characterized by the inclusion of excessive, unnecessary, and tedious details. While the patient makes irrelevant comments and loses the capability of direct goal-directed speech initially, the defining feature is that they **eventually return to the original point** or answer the question asked. It is commonly seen in individuals with Obsessive-Compulsive Disorder (OCD), epilepsy, or intellectual disabilities. **Analysis of Incorrect Options:** * **B. Tangentiality:** Similar to circumstantiality, the patient wanders off-topic with irrelevant ideas. However, the crucial difference is that in tangentiality, the patient **never returns to the original point** or goal. * **C. Dysprosodia:** This is a disorder of the **form of speech** (not thought), where there is an impairment in the rhythm, pitch, and intonation of speech. It is often seen in neurological conditions like Parkinson’s disease or right-hemisphere lesions. * **A. Commentalism:** This is not a standard psychiatric term for thought disorders. It may be confused with "commenting hallucinations" (third-person auditory hallucinations), which is a Schneiderian First Rank Symptom of Schizophrenia. **NEET-PG High-Yield Pearls:** * **Circumstantiality:** "The long-winded road that leads home." (Returns to goal). * **Tangentiality:** "The road that leads nowhere." (Never returns to goal). * **Flight of Ideas:** Rapid shifting of ideas with a logical connection (often via puns or clanging); characteristic of **Mania**. * **Loosening of Associations (Knight’s Move Thinking):** Shifting between unrelated ideas with no logical connection; characteristic of **Schizophrenia**.

Question 1

A false belief, unexplained by reality and shared by a number of people, is termed as what?

Accepted Answer

Mass hysteria

Answer

Illusion

Answer

Delusion

Answer

Obsession

Question 2

All of the following are true about delirium except?

Accepted Answer

Auditory hallucinations are more commonly present.

Answer

It is the most common organic brain disorder.

Answer

Generalized slowing of waves are seen in EEG.

Answer

Sundowning phenomenon is seen.

Question 3

A person, when asked about the similarity between a chair and a table, states that both have four legs. This is an example of:

Accepted Answer

Concrete thinking

Answer

Abstract thinking

Answer

Neologism

Answer

None of the above

Question 4

Which of the following can cause organic amnestic syndrome?

Accepted Answer

Hyperglycemia

Answer

Multiple sclerosis

Answer

Hypoglycemia

Answer

Hypoxia

Question 5

Which of the following statements about thought disorder is true?

Accepted Answer

Tangentiality is skiing around the endpoint but never reaching it.

Answer

Perseveration is out-of-context repetition.

Answer

Circumstantiality is the inclusion of excessive irrelevant details that eventually lead back to the original point.

Answer

Verbigeration is senseless, meaningless repetition.

Question 6

A 32-year-old female develops a suspicion of her husband having an affair with his secretary. This suspicion has persisted for two weeks. What is the most likely diagnosis?

Accepted Answer

Delusion

Answer

Illusion

Answer

Hallucination

Answer

Delirium

Question 7

Deja vu is characteristically seen in which of the following conditions?

Accepted Answer

All of the above

Answer

Temporal lobe epilepsy

Answer

Normal individuals

Answer

Psychosis

Question 8

In individuals aged 2 to 18 years, the Stanford Binet Scale is most useful for evaluating what?

Accepted Answer

General intellectual ability

Answer

Cerebral dominance

Answer

Perceptuomotor performance

Answer

Memory

Question 9

Loss of capability of doing goal-directed things, to express ideas, making irrelevant comments, but ultimately succeeding in going back to the original point is known as?

Accepted Answer

Circumstantiality

Answer

Commentalism

Answer

Tangentiality

Answer

Dysprosodia

Question 10

Which of the following is NOT true regarding Frontotemporal Dementia (FTD)?

Accepted Answer

FTD typically presents with a rapid onset and static course.

Answer

Semantic dementia can be a subtype of FTD.

Answer

Nonfluent aphasia can be a feature of FTD.

Answer

Apathetic or disinhibited personality changes can occur in FTD.

Psychiatric Assessment and Diagnosis — MCQs

Psychiatric Assessment and Diagnosis — MCQs

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