Intro to Epidemiology Test #1 Review
2024/2025 Exam Questions with Detailed
Verified Answers (100% Correct
Answers) | Already Graded A+
What is Epidemiology? - 🧠ANSWER ✔✔- is the study of how often diseases occur
in different groups of people and why
- is the study of the distribution and determinants of health problems in
specified populations and the application of this study to control health
problems
- is concerned with the distribution and determinants of health and diseases,
morbidity, injuries disability and mortality in populations
- Epidemiology studies are applied to the control of health problems in
population
Key Characteristics of Epidemiology - 🧠ANSWER ✔✔- population focus,
distribution, determinants, outcomes, quantification, and control of health
problems
Population focus - 🧠ANSWER ✔✔- all the inhabitants of a given country or area
considered together
Page 1 of 30
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619652435. TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED
,- population medicine: population approach , not a clinical approach
Populations in Epidemiology - 🧠ANSWER ✔✔- neighborhood, city county state
territory or country, school, inpatient or outpatient healthcare facility, the
global community
Distribution - 🧠ANSWER ✔✔- the occurrence of diseases and other health
outcomes varies in populations with some subgroups of the populations more
frequently affected than others
Determinants - 🧠ANSWER ✔✔- any factor that brings about change in a health
condition or other defined characteristic
- causes=factors
- could be risk or protective factors
Exposures - 🧠ANSWER ✔✔- contact with disease- causing factor or to the
amount of the factor that impinges upon a group or individuals
Outcomes - 🧠ANSWER ✔✔- all the possible results that may stem from exposure
to a causal factor
- expressed as types and measures of morbidity and mortality
- Morbidity: illness due to a specific disease or health condition
- mortality: death
Page 2 of 30
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619652435. TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED
, Quantification - 🧠ANSWER ✔✔- refers to counting the cases of illness or other
health outcomes
- means the use of statistical measures to describe the occurrence of health
outcomes as well as to measure the association with exposures
- Epidemiology is a quantitative discipline
Control of health problems - 🧠ANSWER ✔✔- Natural history of disease: the
course of disease from its beginning to its final clinical endpoints
- three modes of prevention are directed toward the periods of pre-
pathogenesis and pathogenesis:
Primary: before the disease occurs
Secondary: during the progression of the disease
Tertiary: during the later stages of the disease
Skills acquired through training in epidemiology - 🧠ANSWER ✔✔- use of the
interdisciplinary approach, use of the scientific method, enhancement of critical
thinking ability, use of quantitative and computer methods, communication
skills, inculcation of aesthetic values
Interdisciplinary approach - 🧠ANSWER ✔✔- includes: Mathematics and
biostatistics (for quantitative methods), History (historical accounts of disease),
Page 3 of 30
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER:
619652435. TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED
2024/2025 Exam Questions with Detailed
Verified Answers (100% Correct
Answers) | Already Graded A+
What is Epidemiology? - 🧠ANSWER ✔✔- is the study of how often diseases occur
in different groups of people and why
- is the study of the distribution and determinants of health problems in
specified populations and the application of this study to control health
problems
- is concerned with the distribution and determinants of health and diseases,
morbidity, injuries disability and mortality in populations
- Epidemiology studies are applied to the control of health problems in
population
Key Characteristics of Epidemiology - 🧠ANSWER ✔✔- population focus,
distribution, determinants, outcomes, quantification, and control of health
problems
Population focus - 🧠ANSWER ✔✔- all the inhabitants of a given country or area
considered together
Page 1 of 30
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER:
619652435. TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED
,- population medicine: population approach , not a clinical approach
Populations in Epidemiology - 🧠ANSWER ✔✔- neighborhood, city county state
territory or country, school, inpatient or outpatient healthcare facility, the
global community
Distribution - 🧠ANSWER ✔✔- the occurrence of diseases and other health
outcomes varies in populations with some subgroups of the populations more
frequently affected than others
Determinants - 🧠ANSWER ✔✔- any factor that brings about change in a health
condition or other defined characteristic
- causes=factors
- could be risk or protective factors
Exposures - 🧠ANSWER ✔✔- contact with disease- causing factor or to the
amount of the factor that impinges upon a group or individuals
Outcomes - 🧠ANSWER ✔✔- all the possible results that may stem from exposure
to a causal factor
- expressed as types and measures of morbidity and mortality
- Morbidity: illness due to a specific disease or health condition
- mortality: death
Page 2 of 30
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER:
619652435. TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED
, Quantification - 🧠ANSWER ✔✔- refers to counting the cases of illness or other
health outcomes
- means the use of statistical measures to describe the occurrence of health
outcomes as well as to measure the association with exposures
- Epidemiology is a quantitative discipline
Control of health problems - 🧠ANSWER ✔✔- Natural history of disease: the
course of disease from its beginning to its final clinical endpoints
- three modes of prevention are directed toward the periods of pre-
pathogenesis and pathogenesis:
Primary: before the disease occurs
Secondary: during the progression of the disease
Tertiary: during the later stages of the disease
Skills acquired through training in epidemiology - 🧠ANSWER ✔✔- use of the
interdisciplinary approach, use of the scientific method, enhancement of critical
thinking ability, use of quantitative and computer methods, communication
skills, inculcation of aesthetic values
Interdisciplinary approach - 🧠ANSWER ✔✔- includes: Mathematics and
biostatistics (for quantitative methods), History (historical accounts of disease),
Page 3 of 30
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER:
619652435. TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED
