NEET-PG 2013 - Community Medicine Practice Questions

Q: Which field of study focuses on person-to-person inter-relationships in a society?

Sociology. ***Sociology*** - **Sociology** is the scientific study of **society**, patterns of **social relationships**, social interaction, and culture. - It directly addresses **person-to-person inter-relationships** by examining groups, organizations, and societies, and how individuals interact within these structures. *Economics* - **Economics** primarily deals with the production, distribution, and consumption of goods and services, and the management of **scarce resources**. - While it involves human interaction, its focus is on **market dynamics** and resource allocation rather than social relationships themselves. *Psychology* - **Psychology** is the scientific study of the **mind and behavior**, focusing on individual thought processes, emotions, and individual responses. - It examines human behavior at the **individual level**, rather than the broader societal inter-relationships between people. *Anthropology* - **Anthropology** is the study of **humanity**, especially focusing on human societies and cultures and their development. - While it examines human social structures, its scope is often broader, encompassing **cultural evolution** and diverse societies rather than the specific patterns of inter-relationships within a single society like sociology.

Q: In psychiatric assessment, which term refers to a temporary and subjective judgment or viewpoint expressed by a patient regarding their condition or treatment?

Opinion. ***Opinion*** - An **opinion** is a transient, personal judgment or viewpoint that a patient expresses, often based on their current understanding or feelings. - It does not necessarily reflect deep-seated convictions but rather a momentary take on their condition or treatment. *Belief* - A **belief** is a more deeply held and enduring conviction that a patient holds, often influencing their perspective and decision-making over time. - Unlike an opinion, a belief is less likely to change quickly and can be foundational to a patient's understanding of their health or illness. *Practice* - **Practice** refers to the regular implementation of specific behaviors, routines, or strategies, especially those related to treatment or self-care. - It describes actions rather than a patient's thoughts, judgments, or viewpoints. *Attitude* - An **attitude** is a more stable predisposition or mental stance towards an object, person, or situation, encompassing thoughts, feelings, and behavioral intentions. - While it can influence opinions, an attitude is a broader and more consistent concept than a temporary judgment.

Q: In the ESI programme, employers and employees in the organized sector contribute to the fund. What is the employer's contribution?

4.75%. ***4.75%*** - The **Employees' State Insurance (ESI) program** is an integrated social security scheme designed to protect workers in the organized sector. - As of 2019, the employer's contribution rate to the ESI fund is set at **4.75%** of the employee's gross wages, while the employee contributes 0.75%. *3.25%* - This percentage is **not the current employer contribution rate** for the ESI scheme; it is higher than the employee's contribution but less than the actual employer's share. - Prior to 2019, the employer's contribution was 4.75% and the employee's contribution was 1.75%, which sums up to 6.5%. The figures were revised on 13.06.2019 reducing the overall contribution from 6.5% to 4%. *2.75%* - This is not the current contribution rate for either the employer or the employee under the ESI program; it falls outside the established percentages. - The ESI scheme ensures compliance through fixed statutory contributions from both parties, which are not represented by this figure. *1.75%* - This was the **employee's contribution rate** to the ESI fund prior to the 2019 revision, not the employer's. - The current employee contribution rate is significantly lower at 0.75%.

Q: What is the common threshold for statistical significance in hypothesis testing?

0.05. ***Correct: 0.05*** - A **p-value of 0.05 (or 5%)** is the most widely accepted and **conventional threshold** for statistical significance in most scientific fields, including medicine - This represents a **5% probability** of observing the results if the **null hypothesis** were true (Type I error or α level) - This is the **standard alpha level** taught in biostatistics and most commonly used in medical research *Incorrect: 0.01* - While 0.01 indicates **higher statistical confidence** (1% chance of Type I error), it is more stringent than the standard threshold - Used in studies requiring **greater certainty** or where false positives have severe consequences - Not the most common or default threshold in general hypothesis testing *Incorrect: 0.02* - A p-value of 0.02 represents a **2% chance of Type I error** - While statistically valid, it is **not a conventional alpha level** for most hypothesis tests - Not the standard threshold taught or applied in medical statistics *Incorrect: 0.03* - A p-value of 0.03 represents a **3% chance of Type I error** - This is **not a standard choice** for statistical significance testing - Not the conventionally prescribed alpha level in biostatistics

Q: Spot map is used for?

Local distribution of disease. ***Local distribution of disease*** - A **spot map** visually represents the geographic distribution of individual cases of a disease or health event. - Each 'spot' on the map corresponds to the exact location where a case occurred, making it ideal for identifying **clusters** or patterns of disease within a specific area. *Rural-urban variation* - While a spot map could potentially show cases in both rural and urban settings, its primary purpose is not to specifically highlight the differences between these two broad categories. - Other types of **thematic maps** or **statistical analyses** are better suited for assessing rural-urban variations. *National variation* - A spot map would be impractical for showing national variation in detail, as it would require plotting individual cases across an entire country, leading to an overly cluttered and uninterpretable image. - **Choropleth maps**, which use shading or colors to represent data for predefined geographic areas (like states or provinces), are more appropriate for illustrating national trends or variations. *None of the options* - This option is incorrect because the primary use of a spot map aligns directly with illustrating the **local distribution of disease**.

Q: In a clinical study examining the relationship between weight and height in pediatric patients, what is the maximum possible value of the correlation coefficient if the correlation is very strong?

+1. ***+1 (perfect positive correlation)*** - A correlation coefficient of **+1** indicates a perfect positive linear relationship between two variables, meaning as one variable increases, the other increases proportionally. - This value represents the **maximum possible strength** for a positive correlation. *0* - A correlation coefficient of **0** indicates no linear relationship between two variables. - This would contradict the premise that the correlation is "very strong". *+2 (invalid value for correlation coefficient)* - The correlation coefficient, also known as Pearson's r, can only range from **-1 to +1**. - A value of +2 is outside this possible range and is therefore an **invalid value**. *No correlation (not possible for strong correlation)* - **No correlation** implies a correlation coefficient of 0 or close to 0. - This directly contradicts the statement that there is a **very strong correlation** between weight and height.

Q: What is the type of sampling used when a random sample is taken from distinct groups within a population, such as religious groups like Hindus, Muslims, and Christians?

Stratified random. ***Stratified random*** - This method involves dividing the population into **distinct, non-overlapping subgroups (strata)** based on a shared characteristic (e.g., religious groups). - A **random sample** is then drawn from each stratum, ensuring representation from all groups. *Simple random* - Involves selecting individuals entirely at **random** from the entire population, with each individual having an equal chance of being chosen. - It does not guarantee representation from specific subgroups within the population. *Systematic random* - This method selects individuals at **regular intervals** from a randomly ordered list of the population (e.g., every 10th person). - While it offers a degree of randomness, it does not specifically account for or ensure representation of distinct subgroups. *Cluster* - This method involves dividing the population into **clusters (natural groupings)**, usually geographically, and then randomly selecting entire clusters to sample. - Unlike stratified sampling, where individuals are selected from each stratum, cluster sampling involves sampling all individuals within chosen clusters.

Q: The population is divided into homogeneous subgroups, and then individuals are randomly selected from each subgroup. What type of sampling is this?

Stratified random. ***Stratified random*** - In **stratified random sampling**, the population is first divided into homogeneous subgroups (strata), and then a simple random sample is drawn from each stratum. - This method ensures representation from all subgroups, which is implied by the description "separated into groups, from each group people are selected randomly." *Simple random* - **Simple random sampling** involves selecting individuals from an entire population purely by chance, where each individual has an equal probability of being chosen. - This method does not involve an initial division of the population into distinct groups before selection. *Systematic random* - **Systematic random sampling** involves selecting every nth individual from a list after a random starting point. - This method does not involve dividing the population into groups and then sampling from each group. *Cluster* - **Cluster sampling** involves dividing the population into clusters (usually naturally occurring groups), randomly selecting a few clusters, and then sampling *all* individuals within the selected clusters. - In cluster sampling, individuals are not randomly selected *from each* group; instead, entire groups are selected.

Q: Which of the following is NOT typically associated with the recovery phase after a disaster?

Response. ***Response (Correct Answer)*** - **Response** activities occur during or immediately after the disaster event, NOT in the recovery phase - Includes immediate search and rescue, medical triage, emergency shelter provision, and acute crisis management - The goal is to **save lives, protect property**, and meet basic human needs during the acute crisis (typically 0-72 hours) - This is distinct from the recovery phase, which begins after the immediate emergency is controlled *Rehabilitation* - **Rehabilitation** is a key component of the **recovery phase** - Focuses on restoring services and infrastructure to acceptable levels after the initial emergency - Includes both physical recovery of individuals and return to functionality of critical systems like utilities and healthcare *Reconstruction* - **Reconstruction** is a major part of the **recovery phase** - Involves rebuilding infrastructure, homes, and communities, often to a better, more resilient standard than before - This is often a lengthy process aiming for long-term stability and development *Mitigation* - While **mitigation** can be incorporated into recovery planning, it is primarily focused on **future disaster prevention** - Measures taken to reduce the **loss of life and property** from future disasters - Can be implemented before a disaster strikes or planned during recovery, but the emphasis is on **risk reduction for future events** rather than immediate restoration from the current event

Q: In the context of triage, what color would be assigned to a moribund patient?

Black. ***Black*** - A **black tag** is assigned to patients who are **deceased** or have injuries so severe that survival is unlikely, and resources would be better used on patients with a higher chance of survival. - A **moribund patient** is in a dying state or near death, fitting the criteria for a black tag in triage. *Red* - **Red tags** are for patients with **immediate life-threatening injuries** who have a high probability of survival with prompt intervention. - These patients require immediate medical attention to stabilize fundamental physiological functions. *Yellow* - **Yellow tags** are assigned to patients with **serious injuries** that are not immediately life-threatening. - They require medical attention within a few hours, but their condition is stable enough to wait after red-tagged patients. *Green* - **Green tags** are for patients with **minor injuries** that are non-life-threatening and can wait for medical attention. - These individuals are often referred to as "walking wounded" and can typically care for themselves or assist others.

Question 1

Which field of study focuses on person-to-person inter-relationships in a society?

Accepted Answer

Sociology

Answer

Economics

Answer

Psychology

Answer

Anthropology

Question 2

In psychiatric assessment, which term refers to a temporary and subjective judgment or viewpoint expressed by a patient regarding their condition or treatment?

Accepted Answer

Opinion

Answer

Belief

Answer

Practice

Answer

Attitude

Question 3

In the ESI programme, employers and employees in the organized sector contribute to the fund. What is the employer's contribution?

Accepted Answer

4.75%

Answer

1.75%

Answer

3.25%

Answer

2.75%

Question 4

What is the common threshold for statistical significance in hypothesis testing?

Accepted Answer

0.05

Answer

0.01

Answer

0.02

Answer

0.03

Question 5

Spot map is used for?

Accepted Answer

Local distribution of disease

Answer

Rural-urban variation

Answer

National variation

Answer

None of the options

Question 6

In a clinical study examining the relationship between weight and height in pediatric patients, what is the maximum possible value of the correlation coefficient if the correlation is very strong?

Accepted Answer

+1

Answer

0

Answer

+2

Answer

No correlation

Question 7

What is the type of sampling used when a random sample is taken from distinct groups within a population, such as religious groups like Hindus, Muslims, and Christians?

Accepted Answer

Stratified random

Answer

Simple random

Answer

Cluster

Answer

Systematic random

Question 8

The population is divided into homogeneous subgroups, and then individuals are randomly selected from each subgroup. What type of sampling is this?

Accepted Answer

Stratified random

Answer

Simple random

Answer

Cluster

Answer

Systematic random

Question 9

Which of the following is NOT typically associated with the recovery phase after a disaster?

Accepted Answer

Response

Answer

Rehabilitation

Answer

Reconstruction

Answer

Mitigation

Question 10

In the context of triage, what color would be assigned to a moribund patient?

Accepted Answer

Black

Answer

Red

Answer

Yellow

Answer

Green

NEET-PG 2013 — Community Medicine