NEET-PG 2012 - Community Medicine Practice Questions

Q: What are the recommended iodine levels in iodized salt at production and consumer levels?

30 & 15 PPM. **30 & 15 PPM** - As per the **WHO**, **UNICEF**, and **ICCIDD guidelines**, iodized salt should contain **30 ppm** of iodine at the **production level** to ensure adequate intake. - Due to losses during storage, transport, and cooking, a minimum of **15 ppm** of iodine is recommended at the **consumer level** to meet the daily iodine requirements. *20 & 10 PPM* - These levels are **lower** than the international recommendations and may not be sufficient to prevent **iodine deficiency disorders** effectively. - Insufficient iodine content can lead to continued public health challenges despite salt iodization. *30 & 10 PPM* - While **30 ppm** at the production level is appropriate, **10 ppm** at the consumer level is **too low**. - A 10 ppm concentration at the consumer level would likely result in an inadequate iodine intake for the population, leaving a significant gap in daily requirements. *30 & 20 PPM* - While **30 ppm** at the production level is correct, **20 ppm** at the consumer level is **higher** than the recommended minimum. - While it ensures sufficiency, the 15 ppm minimum is established to strike a balance between efficacy and cost-effectiveness.

Q: The study of human diseases and their impact on society is known as?

Epidemiology. ***Epidemiology*** - **Epidemiology** is defined as the study of the distribution, determinants, patterns, and frequency of health and disease conditions in defined populations, including their **impact on society**. - It is the fundamental science of **public health** that specifically studies how diseases affect populations and society through systematic investigation using statistical and analytical methods. - Epidemiological studies directly examine disease burden, mortality, morbidity, and societal impact, making it the most precise answer for studying diseases and their societal consequences. - Key epidemiological measures (incidence, prevalence, DALYs) quantify the **societal impact** of diseases. *Public health* - **Public health** is the broader applied field that uses epidemiological findings to implement programs, policies, and interventions. - While public health addresses disease impact, it is primarily an **action-oriented discipline** focused on prevention and health promotion, not just the study of diseases. - Public health encompasses multiple disciplines including epidemiology, health education, environmental health, and health policy. *Health sociology* - **Health sociology** (or medical sociology) examines social factors, behaviors, and structures that influence health outcomes and healthcare access. - It focuses on social determinants, health inequalities, and illness behavior from a **sociological perspective**, rather than the scientific study of disease distribution and patterns. *Medical anthropology* - **Medical anthropology** studies health, illness, and healing through a **cultural and ethnographic lens**. - It examines how different cultures understand disease, healing practices, and medical systems, rather than studying disease patterns and their population-level impact.

Q: Which occupational exposure may cause sterility in females ?

Agricultural insecticides. ***Agricultural insecticides*** - Exposure to **organochlorine** and **organophosphate** insecticides can have significant **reproductive toxicity** in females, leading to **infertility** or **sterility**. - These chemicals can disrupt **hormonal balance**, interfere with **ovarian function**, cause **menstrual irregularities**, and lead to **developmental toxicity** in offspring. - Well-documented occupational hazard in agricultural workers with chronic exposure. *Lead* - Lead is a well-established **reproductive toxicant** affecting **both males and females**. - In females, lead causes **menstrual irregularities**, **ovarian dysfunction**, **reduced fertility**, **spontaneous abortions**, and can contribute to sterility. - It disrupts the **hypothalamic-pituitary-ovarian axis** and has direct **gonadotoxic effects**. - While agricultural insecticides are more specifically associated with female sterility in occupational contexts, lead is also a significant reproductive hazard. *Carbon monoxide* - Carbon monoxide poisoning primarily causes **hypoxia** by binding to hemoglobin, forming **carboxyhemoglobin**. - It does not directly cause **sterility** in females; its main reproductive concern relates to **fetal hypoxia** and adverse pregnancy outcomes during exposure. *Mercury* - Mercury exposure, particularly **methylmercury**, is a known **neurotoxin** and can cause **developmental abnormalities**. - While it can affect pregnancy outcomes and cause **menstrual disorders** at high exposures, it is not typically cited as a primary occupational cause of **female sterility** compared to agricultural insecticides.

Q: In pediatric growth assessment, what is the typical relationship observed between height and weight in healthy children?

Positive Correlation. ***Positive Correlation*** - In healthy children, as **height increases**, **weight generally also increases** in a predictable pattern, demonstrating a **positive correlation** between these two variables. - This is a fundamental aspect of normal pediatric growth, where both height and weight increase together as children develop. - The **correlation coefficient** between height and weight in healthy children is typically **strong and positive** (r > 0.7). *Negative Correlation* - A **negative correlation** would imply that as height increases, weight decreases, which contradicts normal growth patterns in healthy children. - This relationship might be observed in certain pathological conditions (e.g., severe malnutrition with stunting) but is not characteristic of normal development. *No Correlation* - Stating **no correlation** would mean that changes in height have no predictable linear relationship with changes in weight, which contradicts well-established growth data. - Height and weight are both key anthropometric indicators that are inherently linked during normal growth. *Inverse Relationship* - An **inverse relationship** is synonymous with a negative correlation, suggesting that as one variable increases, the other decreases. - This is incorrect for normal pediatric growth, where height and weight generally trend upwards together throughout childhood.

Q: National Leprosy Eradication Programme was started in -

1983. **Correct: 1983** - The **National Leprosy Eradication Programme (NLEP)** was launched in India in **1983** - Its goal was to eliminate leprosy as a public health problem by reducing its prevalence rate to less than 1 case per 10,000 population - This marked the shift from control to eradication strategy with the introduction of **Multi-Drug Therapy (MDT)** *Incorrect: 1949* - This year is not associated with the inception of a national leprosy eradication program in India - While efforts against leprosy existed, a comprehensive national program was not established at this time *Incorrect: 1955* - The **National Leprosy Control Programme (NLCP)** was launched in India in **1955** - This was a control program, preceding the eradication program, focusing on diagnosis and treatment with Dapsone monotherapy - NLCP was later upgraded to NLEP in 1983 *Incorrect: 1973* - This year is not cited as the start date for the national leprosy eradication program in India - The focus shifted from control to eradication in 1983 with the adoption of WHO-recommended MDT

Q: Multi-purpose worker scheme in India was introduced following the recommendation of ?

Kartar Singh Committee. ***Kartar Singh Committee*** - The **Kartar Singh Committee** (1973) recommended the implementation of the **multi-purpose worker scheme** in India. - This scheme aimed to integrate several health services at the grassroots level through a single health worker. *Srivastava Committee* - The **Srivastava Committee** (1975) focused on the creation of a **Medical and Health Education Commission** to reform medical education. - It did not specifically recommend the multi-purpose worker scheme. *Bhore Committee* - The **Bhore Committee** (1946), also known as the Health Survey and Development Committee, recommended a comprehensive health service with an emphasis on preventive and curative care. - It laid conceptual groundwork for primary healthcare but did not specifically propose the multi-purpose worker scheme, which came much later. *Chadha Committee* - The **Chadha Committee** (1963) reviewed India's health infrastructure and medical education. - It focused on health center development and medical college expansion, not the multi-purpose worker scheme.

Q: What is the primary strategy of the Iodine Deficiency Control Programme?

Fortification of salt. ***Fortification of salt*** - **Iodization of salt** is the most cost-effective and widely implemented strategy globally to prevent and control iodine deficiency disorders (IDDs), ensuring a consistent intake of iodine in the population. - This public health intervention targets a staple food item, making it accessible to a broad population regardless of socioeconomic status. - **India's National Iodine Deficiency Disorders Control Programme (NIDDCP)** mandates universal salt iodization as the primary strategy. *Health education* - While important for promoting the consumption of iodized salt and understanding the benefits, it is a **supportive measure** rather than the primary strategy for ensuring widespread iodine intake. - Health education alone cannot guarantee the universal availability and consumption of iodine, especially in areas where iodized salt is not readily supplied. *Water testing* - **Testing water for iodine content** is not a primary strategy as water is generally not a significant source of dietary iodine, and iodine deficiency is primarily addressed through food fortification. - Water quality testing is typically for contaminants and minerals affecting health, not specifically for iodine deficiency control. *Iodine supplementation* - While supplementation (iodized oil capsules) is used in **specific high-risk groups** or areas with severe deficiency, it is not sustainable as a universal primary strategy. - Supplementation requires active distribution and monitoring, making it less cost-effective than salt fortification for population-wide coverage.

Q: Which of the following fields is primarily associated with the Hardy-Weinberg law?

Population genetics. ***Population genetics*** - The **Hardy-Weinberg law** is a fundamental principle in **population genetics** that describes allele and genotype frequencies in a population. - It establishes a baseline for hypothetical populations that are not evolving, allowing for the study of deviations caused by evolutionary forces. - The equation (p² + 2pq + q² = 1) predicts genotype frequencies from allele frequencies under specific conditions. *Health economics* - **Health economics** applies economic theories to the healthcare sector, focusing on efficiency, effectiveness, and value. - This field is concerned with resource allocation, financing, and policy in health, not genetic frequencies. *Social medicine* - **Social medicine** investigates the social and environmental determinants of health and disease. - It focuses on public health, health disparities, and the societal factors influencing well-being, which is distinct from genetic population dynamics. *Epidemiology* - **Epidemiology** studies the distribution and determinants of disease in populations. - While both fields study populations, epidemiology focuses on disease patterns and risk factors, not genetic equilibrium or allele frequencies.

Question 1

What are the recommended iodine levels in iodized salt at production and consumer levels?

Accepted Answer

30 & 15 PPM

Answer

20 & 10 PPM

Answer

30 & 10 PPM

Answer

30 & 20 PPM

Question 2

The study of human diseases and their impact on society is known as?

Accepted Answer

Epidemiology

Answer

Public health

Answer

Health sociology

Answer

Medical anthropology

Question 3

Which occupational exposure may cause sterility in females ?

Accepted Answer

Agricultural insecticides

Answer

Lead

Answer

Carbon monoxide

Answer

Mercury

Question 4

In pediatric growth assessment, what is the typical relationship observed between height and weight in healthy children?

Accepted Answer

Positive Correlation

Answer

Negative Correlation

Answer

No Correlation

Answer

Inverse Relationship

Question 5

National Leprosy Eradication Programme was started in -

Accepted Answer

1983

Answer

1949

Answer

1955

Answer

1973

Question 6

Multi-purpose worker scheme in India was introduced following the recommendation of ?

Accepted Answer

Kartar Singh Committee

Answer

Srivastava Committee

Answer

Bhore Committee

Answer

Chadha Committee

Question 7

What is the primary strategy of the Iodine Deficiency Control Programme?

Accepted Answer

Fortification of salt

Answer

Health education

Answer

Water testing

Answer

Iodine supplementation

Question 8

In community medicine practice, what aspects are primarily studied to understand health outcomes?

Accepted Answer

Both individual health behaviors and community social factors

Answer

Individual health behaviors

Answer

Community health relationships

Answer

None of the above

Question 9

In community medicine, what term describes an organized group of individuals in a population who share common cultural practices and social relationships that influence health behaviors?

Accepted Answer

Community

Answer

Society

Answer

Association

Answer

None of the options

Question 10

Which of the following fields is primarily associated with the Hardy-Weinberg law?

Accepted Answer

Population genetics

Answer

Health economics

Answer

Social medicine

Answer

Epidemiology

NEET-PG 2012 — Community Medicine