Question 1

In the context of the natural history of disease, at which level of prevention is 'Disability Limitation' categorized?

Accepted Answer

Tertiary prevention

Answer

Primary prevention

Answer

Primordial prevention

Answer

Secondary prevention

Question 2

The 'Epidemiological Triad' consists of the interaction between which three factors to produce a disease?

Accepted Answer

Agent, Host, and Environment

Answer

Incidence, Prevalence, and Mortality

Answer

Doctor, Patient, and Hospital

Answer

Bacteria, Virus, and Parasite

Question 3

Which of the following describes the 'Iceberg Phenomenon' of disease, where the 'floating tip' represents which cases?

Accepted Answer

Clinically apparent cases

Answer

Carriers of the disease

Answer

Asymptomatic cases

Answer

Undiagnosed cases

Question 4

Which of the following describes 'Primordial Prevention'?

Accepted Answer

Prevention of the emergence or development of risk factors in countries or population groups in which they have not yet appeared

Answer

Action taken prior to the onset of disease, which removes the possibility that a disease will ever occur

Answer

All measures available to reduce or limit impairments and disabilities

Answer

Action which halts the progress of a disease at its incipient stage and prevents complications

Question 5

Which of the following epidemiological measures is defined as the number of new cases of a specific disease occurring in a defined population during a specific period of time?

Accepted Answer

Incidence

Answer

Attack rate

Answer

Prevalence

Answer

Case fatality rate

Question 6

Which of the following describes the 'Kuppuswamy Scale' frequently used in social medicine?

Accepted Answer

A socio-economic status scale for urban families

Answer

A growth chart for malnourished children

Answer

A method for evaluating the potency of vaccines

Answer

A tool to measure the severity of clinical symptoms

Question 7

In the context of demographic statistics, how is the 'Net Reproduction Rate' (NRR) defined?

Accepted Answer

The number of daughters a newborn girl will bear during her lifetime, assuming fixed age-specific fertility and mortality rates

Answer

The number of live births per

1,000

population in a given year

Answer

The total number of maternal deaths per

1,000

live births

Answer

The total number of children born to a woman during her entire reproductive period

Question 8

Which of the following describes the 'Cold Chain' system in preventive medicine?

Accepted Answer

A system of transporting and storing vaccines at recommended temperatures from the point of manufacture to the point of administration

Answer

A series of clinical steps taken to treat hypothermia in neonates

Answer

A method of preserving perishable food items in rural communities

Answer

The epidemiological process of tracking disease transmission in cold climates

Question 9

The 'Dependency Ratio' is an important social indicator in public health and demography. It is mathematically expressed as the ratio of which population groups?

Accepted Answer

The population aged

1,000

and

65+

years to the population aged

15-64

years

Answer

The number of hospitalized patients to the total population of a regional district

Answer

The population of unemployed individuals to the total number of employed individuals

Answer

The population of children under

1,000

years to the number of women of childbearing age

Question 10

Which of the following describes the 'Physical Quality of Life Index' (PQLI), a composite index used to measure the well-being of a population?

Accepted Answer

It is based on infant mortality, life expectancy at age one, and literacy.

Answer

It is based on the number of hospital beds, physician-to-population ratio, and body mass index.

Answer

It is based on per capita income, literacy, and housing standards.

Answer

It is based on maternal mortality, birth rate, and access to clean water.

Question 11

In the context of the natural history of a disease, at which level of prevention is 'early diagnosis and prompt treatment' categorized?

Accepted Answer

Secondary prevention

Answer

Primordial prevention

Answer

Tertiary prevention

Answer

Primary prevention

Question 12

The 'Epidemiological Triad' is a traditional model of infectious disease causation consisting of an external agent, a susceptible host, and which of the following elements?

Accepted Answer

An environment

Answer

A vector

Answer

A social system

Answer

A genetic mutation

Question 13

Which of the following terms describes the number of new cases of a specific disease occurring in a defined population during a specific period of time?

Accepted Answer

Incidence

Answer

Case fatality rate

Answer

Point prevalence

Answer

Prevalence

Question 14

Which of the following describes 'Primordial Prevention'?

Accepted Answer

Prevention of the emergence or development of risk factors in population groups

Answer

The identification of people who have already developed symptoms and providing them with therapy

Answer

Measures available to reduce or limit impairments and disabilities

Answer

Action taken prior to the onset of disease, which removes the possibility that the disease will ever occur

Question 15

Which of the following describes the 'Iceberg Phenomenon' of disease in a community?

Accepted Answer

The visible part represents diagnosed clinical cases, while the submerged part represents undiagnosed and asymptomatic cases

Answer

The tendency of seasonal flu cases to increase during the coldest months of winter

Answer

The rapid spread of a disease in a specific geographic region following a common source outbreak

Answer

The relationship between the virulence of a pathogen and the resulting mortality rate

Question 16

Which epidemiological study design is famously characterized by the use of an 'Odds Ratio' as its primary measure of association?

Accepted Answer

Case-control study

Answer

Randomized controlled trial

Answer

Cross-sectional study

Answer

Cohort study

Question 17

Which of the following describes the 'Hardy-Weinberg equilibrium' formula for a population with two alleles at a locus, where p and q represent the allele frequencies?

Accepted Answer

p^2 + 2pq + q^2 = 1

Answer

p^2 + 2pq + q^2 = 1

Answer

p^2 + 2pq + q^2 = 1

Answer

p^2 + 2pq + q^2 = 1

Question 18

Which specific indicator is used to measure the 'burden of disease' in a population by combining years of life lost due to premature mortality and years lived with disability?

Accepted Answer

Disability-Adjusted Life Year (DALY)

Answer

Case fatality ratio

Answer

Net Reproduction Rate (NRR)

Answer

Quaternary prevention rate

Question 19

In the context of demographic indicators, what determines the 'Dependency Ratio' of a population?

Accepted Answer

The ratio of those aged 0 to 14 and 65-plus to those aged 15 to 64

Answer

The ratio of the total number of deaths to the total number of births in a year

Answer

The ratio of female survivors to male survivors at age 60

Answer

The ratio of unemployed individuals to the total number of employed individuals

Question 20

Which of the following describes the 'herd immunity threshold' for a population, and how is it related to the basic reproduction number

1,000

?

Accepted Answer

The proportion of the population that must be immune to stop the spread of infection, calculated as

1,000

Answer

The percentage of the population that remains susceptible after an outbreak, calculated as

1,000

Answer

The density of the population required for a virus to mutate, calculated as

1,000

Answer

The total number of people who must be vaccinated to eradicate a disease, calculated as

1,000

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