NEET-PG 2012 - Psychiatry PYQs Practice Questions

Q: What is the code for mental disorders in the ICD-10 classification?

F. ***F*** - In the **ICD-10 classification**, the chapter for **Mental and behavioural disorders** is designated by the letter **'F'**. - This chapter covers a wide range of conditions, from mental retardation to mood disorders and substance-related disorders. *E* - The letter **'E'** in ICD-10 is used for **Endocrine, nutritional and metabolic diseases**. - This category includes conditions like diabetes mellitus and thyroid disorders. *P* - The letter **'P'** in ICD-10 denotes **Certain conditions originating in the perinatal period**. - These are conditions that arise during the period around childbirth. *G* - The letter **'G'** in ICD-10 refers to **Diseases of the nervous system**. - This chapter includes conditions like epilepsy, Parkinson's disease, and stroke. [Practice more Psychiatry PYQs on OnCourse]

Q: According to the classical monoamine hypothesis of depression, deficiency of which of the following neurotransmitters is MOST commonly emphasized in modern antidepressant therapy?

Serotonin. ***Serotonin*** - The **classical monoamine hypothesis** of depression posits deficiencies in monoamine neurotransmitters including **serotonin (5-HT), norepinephrine, and dopamine**. - Among these, **serotonin** is the **most commonly emphasized** in modern antidepressant therapy, given its central role in mood regulation, sleep, appetite, and cognition. - The majority of first-line antidepressants, such as **SSRIs (Selective Serotonin Reuptake Inhibitors)** and **SNRIs**, primarily target serotonergic pathways, reflecting its clinical importance. - **Clinical relevance**: Serotonin deficiency is associated with depressed mood, anxiety, sleep disturbances, and appetite changes. *Acetylcholine* - **Acetylcholine** is a neurotransmitter involved in cognitive function, memory, and muscle contraction. - It is **not a monoamine** and is not part of the classical monoamine hypothesis of depression. - Acetylcholine deficiency is primarily implicated in **Alzheimer's disease** and other cognitive disorders, not depression. *Dopamine* - **Dopamine** is one of the three monoamines implicated in the classical hypothesis and plays a role in pleasure, reward, motivation, and motor control. - Dopamine deficiency can contribute to symptoms of **anhedonia** (inability to feel pleasure) and lack of motivation in depression. - However, dopamine-targeting antidepressants (like bupropion) are less commonly used as first-line therapy compared to serotonergic agents, making serotonin the most emphasized in clinical practice. *GABA* - **GABA (gamma-aminobutyric acid)** is the primary **inhibitory neurotransmitter** in the central nervous system. - It is **not a monoamine** and is not part of the classical monoamine hypothesis of depression. - GABA dysfunction is primarily associated with **anxiety disorders, seizures, and insomnia**, not depression as per the classical hypothesis. [Practice more Psychiatry PYQs on OnCourse]

Q: Muttering delirium is seen with: NEET 13

Datura. ***Datura*** - **Datura poisoning** is characterized by an **anticholinergic toxidrome**, which includes central nervous system effects like **muttering delirium, hallucinations**, and disorientation. - The patient exhibits features like **dilated pupils, dry mouth, flushed skin**, and **tachycardia** due to the blockage of muscarinic acetylcholine receptors. *Castor oil plant* - The **castor oil plant** contains **ricin**, a potent toxin that causes **gastrointestinal symptoms** (nausea, vomiting, abdominal pain, bloody diarrhea) and eventually multi-organ failure. - It does not typically cause the central nervous system effects like **muttering delirium** seen with Datura poisoning. *Cocaine (stimulant)* - **Cocaine** is a central nervous system stimulant that causes **euphoria, agitation, paranoia, dilated pupils**, and **tachycardia**. - While it can cause psychosis, the specific **muttering delirium** is not its hallmark presentation; instead, it is associated with a hyperadrenergic state. *Monkshood (Aconitum)* - **Monkshood** contains **aconitine**, a neurotoxin that primarily affects cardiac and neurological function, causing **paresthesias, muscle weakness, bradycardia**, and potentially fatal arrhythmias. - It does not typically cause the **muttering delirium** with features of an anticholinergic syndrome. [Practice more Psychiatry PYQs on OnCourse]

Q: What are the homes called where children are placed under the care of doctors and psychiatrists?

Residential treatment facilities. ***Residential treatment facilities*** - These facilities provide structured, live-in therapeutic environments where children and adolescents receive comprehensive psychiatric and medical care. - They are staffed by a multidisciplinary team including **psychiatrists**, psychologists, social workers, and nurses. *Foster care homes* - Foster care involves placing children with temporary families, usually due to neglect or abuse, focusing on a family-like setting rather than intensive medical or psychiatric care. - While foster children may receive mental health services, the homes themselves are not clinical environments. *Youth detention centers* - These facilities are for children and adolescents who have committed crimes and are awaiting trial or serving sentences. - While mental health services may be provided, their primary purpose is correctional, not therapeutic. *Child mental health clinics* - These clinics offer outpatient services, including diagnosis, therapy, and medication management, but do not provide residential care. - Children attend appointments and then return home, unlike the live-in care provided in residential facilities. [Practice more Psychiatry PYQs on OnCourse]

Question 1

What is the code for mental disorders in the ICD-10 classification?

Accepted Answer

F

Answer

E

Answer

P

Answer

G

Question 2

According to the classical monoamine hypothesis of depression, deficiency of which of the following neurotransmitters is MOST commonly emphasized in modern antidepressant therapy?

Accepted Answer

Serotonin

Answer

Acetylcholine

Answer

Dopamine

Answer

GABA

Question 3

In the context of understanding patient behavior and therapeutic relationships, what is the definition of social psychology?

Accepted Answer

The study of how individuals think, feel, and behave in social situations

Answer

The study of human relationships and behavior in social contexts

Answer

The examination of cultural influences on behavior

Answer

A field that does not exist

Question 4

Muttering delirium is seen with: NEET 13

Accepted Answer

Datura

Answer

Castor oil plant

Answer

Cocaine (stimulant)

Answer

Monkshood (Aconitum)

Question 5

What are the homes called where children are placed under the care of doctors and psychiatrists?

Accepted Answer

Residential treatment facilities

Answer

Foster care homes

Answer

Youth detention centers

Answer

Child mental health clinics

Question 6

What is the most commonly abused drug in India?

Accepted Answer

Cannabis

Answer

Heroin

Answer

Amphetamine

Answer

Cocaine

Question 7

Formication is primarily associated with which condition?

Accepted Answer

Chronic use of amphetamine

Answer

Acute amphetamine intoxication

Answer

Alcohol withdrawal

Answer

Cannabis poisoning

Question 8

Which of the following is a first-line treatment for bipolar affective (manic-depressive) disorder:

Accepted Answer

Lithium carbonate

Answer

Chlorpromazine

Answer

Haloperidol

Answer

Diazepam

Question 9

Which of the following factors is most commonly associated with suicidal tendencies?

Accepted Answer

Severe depression

Answer

Female gender

Answer

Chronic illness

Answer

Younger age group

Question 10

What is the definition of phobia?

Accepted Answer

An intense, irrational fear that leads to avoidance

Answer

Fear of specific objects or situations

Answer

A type of anxiety disorder characterized by excessive fear

Answer

A severe anxiety disorder characterized by irrational fear

NEET-PG 2012 — Psychiatry