and Answers.
What is epidemiology? - Answer the study of the distribution/occurrence of health-related
events in specific populations
what is the epidemiology triangle? - Answer a diagram containing the host, agent, and
environment
what is meant by temporal relationship - Answer a criterion for causality, a person does not
get the disease until after exposure to the stressor
what is strength of association? - Answer exposure to a specific stressor or cause is more likely
to bring on the disease
what is meant by "dose-response" in causality - Answer people who are most exposed to a
contaminated food are the most ill
what is meant by specificity? - Answer the cause is linked to a specific disease (e.g.,
tuberculosis bacteria wont result in chicken pox)
what is consistency in regards to causality - Answer when everyone who eats contaminated
food gets the illness
what is biologic plausibility? - Answer when findings are consistent to biologic/medical
knowledge.
what is experimental replication? - Answer in causality, when several studies are done by
different scientists in different places produce the same or similar results
what is a mortality rate and how does it inform a CHN? - Answer it looks at the deaths due to
specific diseases/conditions, it may help in regard to planning areas of focus in the future
what is a morbidity rate and how is it useful for a CHN - Answer morbidity rates look at people
who become ill with specific diseases. they inform scientists how frequently an illness occurs
what is incidence in epidemiology? - Answer it is the measure of new cases of a health
condition/illness/event in a given time