Midterm Exam: NR503/ NR 503 (New 2023/ 2024 Update) Population Health, Epidemiology & Statistical Principles Exam Review | Questions and Verified Answers| 100% Correct| Grade A- Chamberlain

Midterm Exam: NR503/ NR 503 (New 2023/

2024 Update) Population Health,

Epidemiology & Statistical Principles Exam

Review | Questions and Verified Answers|

100% Correct| Grade A- Chamberlain

Q: For disease to occur the agent, host, and enviro must:

Answer:

interact, but not every exposure results in illness

Q: Agent

Answer:

Something that is causing disease

EX: bacteria, virus, parasite, etc

Q: Host

Answer:

Thing being infected by the agent

-Age, educ, occ, behavior

Q: Physical Host factors

Answer:

-Make humans more susceptible

-Age, gender, race, immune status, genetics

Q: Lifestyle host factors

Answer:

Diet, exercise, sleep patterns, healthy/unhealthy habits

Q: Agent factors

Answer:

Biologic, chemical, physical, psychological, nutrients,

Q: Environment of epidemiologic triangle...

Answer:

provides the conditions that make the connection between host and agent likely or unlikely

-Includes physical, biological, and social environment

Q: How does environment increase risks?

Answer:

Air, water, soil, noise, and surface pollution

-These all make us more susceptible to disease

Q: Web of Causation

Answer:

an interrelationship of multiple factors that contribute to the occurrence of a disease

Q: Steps of the Epidemiological Method

Answer:

-Define the problem

-Determine the natural history of the disease

-Stages of the disease

-Extent of the problem

-Plan or control strategy

-Implementation of control strategy

-Evaluation of control

-Perform research

Q: Define the Problem

Answer:

-Look at the extent of the problem

EX: look at incidence and prevalence

Q: Incidence

Answer:

a measure of the probability of occurrence of a given medical condition in a population within a

specified period of time

Q: Prevalence

Answer:

the proportion of a particular population found to be affected by a medical condition

Q: Determine Natural History of the Disease

Answer: