NEET-PG 2015 - Community Medicine Practice Questions

Q: In the context of malaria control, when is regular insecticidal spray recommended based on the Annual Parasite Index (API)?

> 2. ***> 2*** - Regular insecticidal spray, particularly **Indoor Residual Spraying (IRS)**, is a key malaria control measure recommended when the **Annual Parasite Index (API) is greater than 2**. - An API greater than 2 indicates **high endemicity** with a significant burden of malaria transmission in the community, necessitating aggressive vector control strategies. - According to **NVBDCP (National Vector Borne Disease Control Programme) guidelines**, API > 2 defines high-risk areas where routine IRS is implemented as a core intervention. *> 1* - An API between 1-2 represents **moderate endemicity**, where the focus is primarily on **active case detection, prompt treatment, and targeted interventions** rather than universal spraying. - While vector control remains important, routine widespread IRS is not the standard recommendation at this threshold. *< 2* - An API of less than 2 (which includes both moderate and low endemic areas) does not routinely warrant universal insecticidal spraying programs. - In areas with API < 2, **case management, surveillance, and selective vector control** are prioritized over widespread IRS campaigns. *< 1* - An API of less than 1 indicates **low endemicity**, where malaria transmission is minimal and sporadic. - In such areas, **surveillance, prompt case detection and treatment, and targeted interventions** are the mainstay, with IRS reserved only for focal outbreaks or high-risk pockets.

Q: Which condition has the maximum relative risk attributed to obesity?

DM. ***DM*** - Obesity is a major risk factor for Type 2 Diabetes Mellitus (T2DM), with a **relative risk often exceeding 3-7 times that of normal-weight individuals**, and even higher for severe obesity. - The link is primarily due to **insulin resistance** caused by increased adipose tissue. *Hypertension* - Obesity significantly increases the risk of hypertension, with a relative risk typically in the range of **2 to 3 times higher** than normal-weight individuals. - The mechanisms involve increased **blood volume**, **sympathetic nervous system activity**, and **renal sodium reabsorption**. *CHD* - Obesity is a strong independent risk factor for Coronary Heart Disease (CHD), contributing to a relative risk of approximately **1.5 to 2.5 times higher** than normal weight. - It often acts by exacerbating other risk factors like **hypertension**, **dyslipidemia**, and **diabetes**. *Cancer* - Obesity is linked to various cancers, including endometrial, esophageal adenocarcinoma, renal cell, and breast cancer in postmenopausal women, with relative risks typically ranging from **1.2 to 2 times higher** for specific cancers. - The pathways include **chronic inflammation**, altered **hormone levels** (e.g., estrogen), and **insulin-like growth factor signaling**.

Q: According to the 2014 guidelines for female sterilization, which of the following is NOT an eligibility criterion for female sterilization?

Should have at least 1 child. ***Should have at least 1 child*** - The 2014 guidelines **removed the previous requirement** for a specific number of children, focusing instead on **informed consent** and **voluntary decision-making**. - The emphasis is now on the client's **autonomous choice**, regardless of their parity. - Having at least one child is **NOT an eligibility criterion** under the revised guidelines. *Age of at least 22 years* - While there is a minimum age requirement (legally 21 years, though some guidelines mention 22 years), this IS a valid eligibility criterion. - The age criterion ensures that individuals are mature enough to make an **informed and irreversible decision** about permanent contraception. - Younger individuals may be at higher risk of **regret** following sterilization. *Being unmarried* - Marital status is **NOT a barrier** to female sterilization under the 2014 guidelines. - Unmarried individuals have the same right to choose this method of contraception based on **informed consent**. - The decision for sterilization rests solely with the individual, irrespective of their **relationship status**. *Partner is not sterilized* - Partner's sterilization status is **NOT a determining factor** for female sterilization eligibility. - The decision is based on the **individual's choice**, health status, and desire for permanent contraception. - The eligibility criteria focus on the client's **informed consent** and understanding of the procedure, not on the partner's reproductive history.

Q: Which state has the lowest Infant Mortality Rate (IMR) in India?

Kerala. ***Kerala*** - Kerala consistently has achieved the **lowest Infant Mortality Rate (IMR)** in India, demonstrating significant progress in public health and maternal-child care. - This is primarily attributed to its robust **healthcare infrastructure**, high literacy rates, and effective implementation of health programs. *Maharashtra* - While Maharashtra has made progress in reducing IMR, its rate remains **higher than Kerala's**, reflecting varying healthcare access and quality across the state. - There are regional disparities in health outcomes, despite significant economic development. *Tamil Nadu* - Tamil Nadu has a commendable healthcare system and has significantly reduced its IMR over the years, yet it **does not consistently achieve the lowest rate** when compared to Kerala. - Its focus on **universal healthcare access** and nutrition programs has been instrumental in its improvements. *Uttar Pradesh* - Uttar Pradesh typically reports one of the **highest Infant Mortality Rates (IMR)** in India, due to challenges such as limited access to healthcare, malnutrition, and poor sanitation. - Significant efforts are underway to improve maternal and child health indicators, but the state still lags behind the national average and other states like Kerala.

Q: In a town there are 2500 live births within six months. During the same period 5 women died due to peripartum infection, 5 died due to electrocution, 2 died due to obstructed labor and 3 died due to PPH. What is the MMR?

4 per 1000 live births. ***4 per 1000 live births*** - The **Maternal Mortality Ratio (MMR)** is calculated as the number of maternal deaths per 100,000 live births. In this scenario, only deaths directly related to pregnancy or within 42 days postpartum from obstetric causes are considered maternal deaths. - Total maternal deaths = 5 (peripartum infection) + 2 (obstructed labor) + 3 (PPH) = 10. MMR = (10 maternal deaths / 2500 live births) * 1000 = 4. *6 per 1000 live births* - This calculation would incorrectly include deaths from non-obstetric causes, such as the 5 deaths due to electrocution, which are not considered maternal deaths. - Including non-maternal deaths inflates the ratio, leading to an inaccurate representation of obstetric risk. *40 per 1000 live births* - This value is significantly higher, suggesting a miscalculation in either the number of maternal deaths or the live births, potentially by using a multiplier of 100,000 live births instead of 1,000 for this question, or an arithmetic error. - A common error might be to multiply the total number of maternal deaths by 1000 and divide by the number of live births, leading to an incorrect large number if the base is not handled correctly. *60 per 1000 live births* - This result is far too high and indicates a significant overestimation of maternal deaths or a severe miscalculation. - It likely arises from a compounding of errors, possibly including non-maternal deaths and incorrect scaling of the denominator.

Q: Which of the following is the MOST important vital statistic in a population?

Mortality rate. ***Mortality rate*** - The **mortality rate** directly reflects the health status and overall well-being of a population by indicating the number of deaths per unit population. - A high mortality rate signals underlying public health issues, inadequate healthcare, or poor living conditions, making it the **most critical vital statistic** for assessing population health and guiding interventions. - It serves as a **key indicator** for comparing health status across populations and time periods. *Fertility rate* - The **fertility rate** measures the average number of children born to women of reproductive age, influencing future population size and age structure. - While important for demographic planning and population projections, it doesn't directly provide insights into the immediate health challenges or mortality burden of a population. *Morbidity rate* - The **morbidity rate** quantifies the incidence or prevalence of disease in a population, reflecting the disease burden. - Although crucial for understanding health problems and planning healthcare services, it is considered secondary to mortality as a vital statistic since mortality represents the ultimate health outcome. *Birth rate* - The **birth rate** quantifies the number of live births per 1,000 people in a year, contributing to population growth and demographic trends. - Like the fertility rate, it is essential for understanding natality patterns but offers less insight into the overall health status and survival of a population compared to the mortality rate.

Q: How often is the Sample Registration System conducted in India?

1 year. ***1 year*** - The **Sample Registration System (SRS)** in India is a large-scale demographic survey conducted **annually** to provide reliable estimates of birth rates, death rates, and other fertility and mortality indicators. - Its annual nature allows for regular monitoring of demographic changes and health trends across different states and regions. *6 months* - While some surveys or data collections might occur semi-annually, the comprehensive SRS is not conducted every six months. - Conducting a system as extensive as the SRS twice a year would be logistically challenging and resource-intensive. *2 years* - A biennial (every two years) frequency would mean less up-to-date data for tracking rapid demographic shifts or evaluating the immediate impact of health interventions. - The need for current statistics on vital events necessitates a more frequent survey than every two years. *5 years* - A quinquennial (every five years) frequency would provide very infrequent data, which is insufficient for effective public health planning and policy formulation. - Key demographic indicators are needed more regularly than every five years to respond to evolving health and population needs.

Q: In a community of 1,000,000 population, 105 children were born in a year, out of which 5 were stillbirths and 4 died within the first year of life. What is the Infant Mortality Rate (IMR)?

40. ***40*** - **Infant Mortality Rate (IMR)** = (Deaths in first year of life / Live births) × 1,000 - Live births = Total births - Stillbirths = 105 - 5 = **100** - IMR = (4 / 100) × 1,000 = **40 per 1,000 live births** - Stillbirths are excluded from both numerator and denominator as IMR only counts deaths after live birth *90* - This would result from incorrectly using total births (105) instead of live births (100) in the denominator - Wrong calculation: (4 / 105) × 1,000 ≈ 38, not 90 - This option represents a common error but with incorrect arithmetic *120* - This could result from including stillbirths in the numerator: (5+4) / 100 × 1,000 = 90, not 120 - Or from other miscalculations mixing up the numerator and denominator - Does not follow the standard IMR formula *150* - This represents a significant calculation error - May result from using wrong base (per 100 instead of per 1,000) or including stillbirths incorrectly - Such high IMR does not match the given data of 4 infant deaths per 100 live births

Question 1

In the context of malaria control, when is regular insecticidal spray recommended based on the Annual Parasite Index (API)?

Accepted Answer

> 2

Answer

< 1

Answer

< 2

Answer

> 1

Question 2

Which condition has the maximum relative risk attributed to obesity?

Accepted Answer

DM

Answer

Hypertension

Answer

CHD

Answer

Cancer

Question 3

According to the 2014 guidelines for female sterilization, which of the following is NOT an eligibility criterion for female sterilization?

Accepted Answer

Should have at least 1 child

Answer

Partner is not sterilized

Answer

Being unmarried

Answer

Age of at least 22 years

Question 4

Which state has the lowest Infant Mortality Rate (IMR) in India?

Accepted Answer

Kerala

Answer

Maharashtra

Answer

Tamil Nadu

Answer

Uttar Pradesh

Question 5

What does the Gross Reproduction Rate (GRR) measure?

Accepted Answer

Number of female children a woman would have during her reproductive years, assuming no mortality

Answer

Number of total children a woman would have during her reproductive years (both male and female), assuming no mortality

Answer

Number of live births per 1000 women in a given year

Answer

Number of male children a woman would have during her reproductive years, assuming no mortality

Question 6

In a town there are 2500 live births within six months. During the same period 5 women died due to peripartum infection, 5 died due to electrocution, 2 died due to obstructed labor and 3 died due to PPH. What is the MMR?

Accepted Answer

4 per 1000 live births

Answer

6 per 1000 live births

Answer

40 per 1000 live births

Answer

60 per 1000 live births

Question 7

Which of the following is the MOST important vital statistic in a population?

Accepted Answer

Mortality rate

Answer

Fertility rate

Answer

Morbidity rate

Answer

Birth rate

Question 8

What is exponential growth in the context of population dynamics?

Accepted Answer

Rapid increase in population size where growth rate is proportional to current population.

Answer

Gradual increase in population size.

Answer

Population growth that is restricted by environmental factors.

Answer

No significant change in population size.

Question 9

How often is the Sample Registration System conducted in India?

Accepted Answer

1 year

Answer

2 years

Answer

5 years

Answer

6 months

Question 10

In a community of 1,000,000 population, 105 children were born in a year, out of which 5 were stillbirths and 4 died within the first year of life. What is the Infant Mortality Rate (IMR)?

Accepted Answer

40

Answer

90

Answer

120

Answer

150

NEET-PG 2015 — Community Medicine