Psychotic Disorders Practice Questions

Q: What psychiatric disorder is characterized by delusions of infidelity towards a spouse?

Othello syndrome. ***Othello syndrome*** - **Othello syndrome**, also known as **delusional jealousy**, is characterized by a **fixed, irrational belief** that one's partner is being unfaithful, despite a lack of evidence. - Individuals with this syndrome may engage in **excessive monitoring**, interrogations, and even violence to "prove" the infidelity. *Chronic alcohol use disorder* - While **chronic alcohol abuse** can sometimes contribute to paranoia or jealousy, it is not a psychiatric disorder primarily defined by **delusions of infidelity**. - Alcohol-related jealousy typically subsides with sobriety, unlike the persistent nature of Othello syndrome. *Stockholm syndrome (hostage bonding)* - **Stockholm syndrome** involves a psychological phenomenon where hostages develop a **psychological bond** with their captors during traumatic situations. - It is unrelated to delusions about a partner's infidelity. *Clerambault's syndrome (erotomania)* - **Clerambault's syndrome**, or **erotomania**, is a delusional disorder where an individual believes another person, often of higher status, is **madly in love with them**. - This is the opposite of delusional jealousy and involves a belief in being loved, not betrayed.

Q: Which type of persistent delusional disorder is characterized by the belief that one is being persecuted?

Delusion of persecution. ***Delusion of persecution*** - This is a core feature of **persecutory delusional disorder**, where the individual firmly believes they are being harmed, harassed, or conspired against by others. - The belief is **fixed** and **unshakeable**, despite evidence to the contrary. *Delusion of reference* - This involves a false belief that ordinary events, objects, or people in the environment have a particular and unusual meaning specifically directed at oneself. - It differs from persecution in that the emphasis is on **personal significance** rather than active harm or conspiracy. *Delusion of jealousy* - Characterized by the **unfounded belief** that one's partner is being unfaithful, often leading to surveillance and confrontation. - This is a specific type of delusional disorder, but it does not primarily involve a global sense of being persecuted. *Delusion of grandeur* - This involves an exaggerated belief in one's own **importance, power, knowledge, or identity**. - It contrasts with persecution, where the individual feels threatened rather than inflated in self-perception.

Q: Which of the following statements is true regarding delusional disorder?

Held with absolute conviction. ***Held with absolute conviction*** - This is the **BEST ANSWER** as it describes a **core diagnostic criterion** for delusions in delusional disorder per DSM-5/ICD-11. - Delusions are defined as **fixed, false beliefs held with absolute conviction** despite clear evidence to the contrary. - This unwavering certainty is what distinguishes delusions from overvalued ideas or normal beliefs. - This statement captures the fundamental **nature and defining characteristic** of the disorder itself. *More commonly occurs in middle to late adulthood* - This statement is **factually TRUE** - delusional disorder typically has onset between ages 40-55 (middle to late adulthood). - However, this describes **epidemiological data** (when it occurs), not a defining feature of the disorder. - While accurate, it is less fundamental than the absolute conviction which is a **diagnostic criterion**. *Often not amenable to reasoning* - This statement is also **factually TRUE** - patients with delusional disorder cannot be reasoned out of their false beliefs. - However, this is a **consequence** of the absolute conviction, not the primary defining feature. - The inability to respond to reasoning stems from the unwavering belief system. *Occurs at early age* - This is **FALSE** - delusional disorder is rare in early age. - Typical onset is in **middle to late adulthood** (ages 40-55), not childhood or adolescence. - Early onset would be atypical for this disorder.

Q: A patient inventing new words is a feature of?

Schizophrenia. ***Schizophrenia*** - The invention of new words, known as **neologisms**, is a characteristic symptom of **thought disorder** in schizophrenia. - These words often have personal meaning to the patient but are unintelligible to others, reflecting disturbed communication. *Neurotic disorders* - These disorders, such as anxiety and phobias, primarily involve **distress and maladaptive coping mechanisms** but do not typically feature neologisms. - **Thought content** may be ruminative or anxious, but not disorganized to the extent of inventing new words. *Aphasia* - Aphasia is a **language disorder caused by brain damage** (e.g., stroke), resulting in difficulty with language production or comprehension. - While it can involve word-finding difficulties or paraphasias (word substitutions), it is distinctly different from the deliberate invention of new, non-existent words seen in psychosis. *Obsessive-Compulsive Disorder (OCD)* - OCD is characterized by **recurrent, intrusive thoughts (obsessions)** and repetitive behaviors (compulsions). - It does not involve thought disorganization or the creation of neologisms; language remains structured, though often focused on obsessive themes.

Q: What is Capgras syndrome?

Belief that a loved one has been replaced by an impostor. ***Belief that a loved one has been replaced by an impostor*** - **Capgras syndrome** is a delusional misidentification syndrome where the affected individual believes that a close relative or loved one has been replaced by an identical-looking impostor. - This delusion can extend to pets or inanimate objects and is often associated with neurological conditions or psychiatric disorders like schizophrenia. *Belief of being loved by someone* - This describes **erotomania** (De Clerambault's syndrome), a delusion where an individual falsely believes that another person, often of higher status, is in love with them. - It is distinct from Capgras syndrome, which involves the belief in an impostor replacing a familiar person. *Belief that different people are the same person in disguise* - This describes **Fregoli syndrome**, another delusional misidentification syndrome where the patient believes that different people are actually a single person who changes appearance or is in disguise. - This is the opposite of Capgras syndrome - in Fregoli, multiple people are seen as one person; in Capgras, one person is seen as an impostor. *Belief of having a serious illness* - This describes **illness anxiety disorder** (formerly hypochondriasis) or a somatic symptom disorder, where a person is preoccupied with having or acquiring a serious illness despite minimal or no symptoms. - This is fundamentally different from the delusional misidentification seen in Capgras syndrome.

Q: Increased dopamine levels are associated with which of the following conditions?

Schizophrenia. ***Schizophrenia*** - The **dopamine hypothesis of schizophrenia** is the most well-established association with increased dopamine levels, particularly in the **mesolimbic pathway**, which contributes to positive symptoms such as **hallucinations** and **delusions**. - Antipsychotic medications, which are **dopamine D2 receptor antagonists**, effectively reduce these positive symptoms by blocking dopamine activity. - This is the **classic and primary answer** when considering increased dopamine levels in psychiatry. *Depression* - Depression is primarily associated with **decreased levels of monoamines**, including **serotonin**, **norepinephrine**, and **dopamine**. - Treatments for depression often aim to increase these neurotransmitter levels, not related to dopamine excess. *Mania* - Mania, a hallmark of **bipolar disorder**, is associated with **increased dopamine activity** along with elevated **norepinephrine** and **serotonin** levels. - While mania does involve dopamine elevation, **schizophrenia** remains the **primary and most established** condition associated with the dopamine hypothesis in psychiatric literature. - The distinction is that schizophrenia's pathophysiology is more centrally and specifically linked to dopamine dysregulation. *Delirium* - Delirium is a state of **acute brain failure** characterized by a fluctuating course and disturbances in attention and cognition. - While neurotransmitter imbalances, including dopamine, **acetylcholine deficiency**, and GABA alterations, can contribute to delirium, it is not primarily defined by increased dopamine as the main pathophysiological mechanism.

Q: Poor prognostic factor for schizophrenia is?

Insidious onset. ***Insidious onset*** - An **insidious onset** of schizophrenia, where symptoms develop gradually over time, is typically associated with a poorer prognosis. - This often leads to more severe and persistent symptoms, making treatment and recovery more challenging. *Acute onset* - An **acute onset** of schizophrenia, meaning symptoms appear suddenly and rapidly, is generally associated with a better prognosis. - Patients with acute onset are more likely to respond to treatment and achieve remission than those with insidious onset. *Good social support* - **Good social support** is a protective factor and is associated with a better prognosis in schizophrenia. - Individuals with strong social networks tend to have better adherence to treatment, reduced relapse rates, and improved overall functioning. *Predominantly positive symptoms* - While positive symptoms like **hallucinations** and **delusions** can be distressing, a predominance of these symptoms often indicates a better prognosis than a predominance of negative symptoms. - Positive symptoms tend to be more responsive to conventional antipsychotic medications, leading to better outcomes.

Q: According to DSM-5 criteria, symptoms of brief psychotic disorder must resolve within what time period to differentiate it from longer-term psychotic conditions like schizophreniform disorder?

1 month. ***1 month*** - According to **DSM-5 criteria**, brief psychotic disorder is characterized by symptoms lasting more than **1 day** but less than **1 month**. - If psychotic symptoms persist for **1 month or longer**, it indicates a different diagnosis, such as schizophreniform disorder or schizophrenia, requiring further evaluation. *1 week* - While psychotic symptoms may be present for 1 week in brief psychotic disorder, this duration is within the disorder's diagnostic window but not its defining upper limit. - The key differentiator for brief psychotic disorder is that symptoms resolve within **1 month**. *2 weeks* - Similar to 1 week, 2 weeks is a duration that can occur within brief psychotic disorder, but it does not represent the minimum duration that distinguishes it from longer-term conditions. - The crucial threshold for duration in brief psychotic disorder is **less than 1 month**. *3 weeks* - Three weeks also falls within the diagnostic duration for brief psychotic disorder. - The essential criteria specify that psychotic symptoms must last **less than 1 month** to be classified as brief psychotic disorder.

Question 1

What psychiatric disorder is characterized by delusions of infidelity towards a spouse?

Accepted Answer

Othello syndrome

Answer

Chronic alcohol use disorder

Answer

Stockholm syndrome (hostage bonding)

Answer

Clerambault's syndrome (erotomania)

Question 2

Which type of persistent delusional disorder is characterized by the belief that one is being persecuted?

Accepted Answer

Delusion of persecution

Answer

Delusion of reference

Answer

Delusion of jealousy

Answer

Delusion of grandeur

Question 3

Which of the following statements is true regarding delusional disorder?

Accepted Answer

Held with absolute conviction

Answer

Occurs at early age

Answer

More commonly occurs in middle to late adulthood

Answer

Often not amenable to reasoning

Question 4

A 25-year-old male believes that his penis is decreasing in size every day and that it will eventually disappear, leading to his death. What is the most likely diagnosis?

Accepted Answer

Delusional Disorder

Answer

Somatic Symptom Disorder

Answer

Illness Anxiety Disorder

Answer

Obsessive-Compulsive Disorder

Question 5

A patient inventing new words is a feature of?

Accepted Answer

Schizophrenia

Answer

Aphasia

Answer

Neurotic disorders

Answer

Obsessive-Compulsive Disorder (OCD)

Question 6

A husband believes that his wife is having an affair with another man despite no evidence to support this belief. What term best describes this belief?

Accepted Answer

A fixed, false belief that is resistant to reason or confrontation with actual fact

Answer

Perception of a stimulus that is not actually present

Answer

A false belief based on incorrect inference about external reality

Answer

A severe disturbance in mental abilities with confusion and altered consciousness

Question 7

What is Capgras syndrome?

Accepted Answer

Belief that a loved one has been replaced by an impostor

Answer

Belief of being loved by someone

Answer

Belief of having a serious illness

Answer

Belief that different people are the same person in disguise

Question 8

Increased dopamine levels are associated with which of the following conditions?

Accepted Answer

Schizophrenia

Answer

Depression

Answer

Mania

Answer

Delirium

Question 9

Poor prognostic factor for schizophrenia is?

Accepted Answer

Insidious onset

Answer

Predominantly positive symptoms

Answer

Good social support

Answer

Acute onset

Question 10

According to DSM-5 criteria, symptoms of brief psychotic disorder must resolve within what time period to differentiate it from longer-term psychotic conditions like schizophreniform disorder?

Accepted Answer

1 month

Answer

1 week

Answer

3 weeks

Answer

2 weeks

Psychotic Disorders — MCQs

Psychotic Disorders — MCQs

On this page

Practice by Chapter

Want unlimited practice?