Epidemiology HLSC 1F90 2024/2025
Exam Questions and Corresponding
Answers with Surety of 100% Pass Mark
What is Epidemiology? - 🧠ANSWER ✔✔• The study of the number of cases,
distribution, risk factors for and consequences of a disease on defined
populations
Components of Epidemiology - 🧠ANSWER ✔✔1. Descriptive Epidemiology
Study of the distribution of disease
Variables commonly examined are descriptive of person, place and time
2.Analytic Epidemiology
Use of epidemiology methods to explain disease occurrence or elucidate casual
mechanisms
Questions to accomplish health research - 🧠ANSWER ✔✔What methods do we
use to execute credible and valid health research?
How do we analyze health research results?
How do we evaluate the quality of health research?
How will our research be used?
Page 1 of 6
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER:
619652435. TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED
, What LANGUAGE/PROFESSIONAL TERMINOLOGY do we need to be able to
communicate with other Investigators?
Epidemiology Areas of concentration - 🧠ANSWER ✔✔1. Infectious epidemiology
Epidemiology of infectious disease
Investigates the cause of infectious disease
We have to be very aware of this
Nations where TB is an endemic, there's a higher incidence of TB in those areas.
People carry TB for a long time. They can carry it here, screening can prevent
this.
2. Non-infectious epidemiology
Patterns of healthcare use
Epidemiology of non-infectious disease considers the cause of non-infectious
diseases such as cancer
What proportion of the population is using screening services? Of that, how
many of them get cured
Identifying the risk factor begins with measuring the frequency of disease -
🧠ANSWER ✔✔Observe the behavior, genetics or environment of people who
develop the disease
Page 2 of 6
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER:
619652435. TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED
Exam Questions and Corresponding
Answers with Surety of 100% Pass Mark
What is Epidemiology? - 🧠ANSWER ✔✔• The study of the number of cases,
distribution, risk factors for and consequences of a disease on defined
populations
Components of Epidemiology - 🧠ANSWER ✔✔1. Descriptive Epidemiology
Study of the distribution of disease
Variables commonly examined are descriptive of person, place and time
2.Analytic Epidemiology
Use of epidemiology methods to explain disease occurrence or elucidate casual
mechanisms
Questions to accomplish health research - 🧠ANSWER ✔✔What methods do we
use to execute credible and valid health research?
How do we analyze health research results?
How do we evaluate the quality of health research?
How will our research be used?
Page 1 of 6
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER:
619652435. TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED
, What LANGUAGE/PROFESSIONAL TERMINOLOGY do we need to be able to
communicate with other Investigators?
Epidemiology Areas of concentration - 🧠ANSWER ✔✔1. Infectious epidemiology
Epidemiology of infectious disease
Investigates the cause of infectious disease
We have to be very aware of this
Nations where TB is an endemic, there's a higher incidence of TB in those areas.
People carry TB for a long time. They can carry it here, screening can prevent
this.
2. Non-infectious epidemiology
Patterns of healthcare use
Epidemiology of non-infectious disease considers the cause of non-infectious
diseases such as cancer
What proportion of the population is using screening services? Of that, how
many of them get cured
Identifying the risk factor begins with measuring the frequency of disease -
🧠ANSWER ✔✔Observe the behavior, genetics or environment of people who
develop the disease
Page 2 of 6
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER:
619652435. TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED
