CORRECT ANSWERS
Epidemiology - CORRECT ANSWER the study of the distribution and determinants of
health related conditions in human populations and the application of this method to the
control of health problems
Infectious disease - CORRECT ANSWER refers to a contagious or transmissible
disease
Chronic disease - CORRECT ANSWER refers to a disease that is long-lasting
Health-related states or conditions - CORRECT ANSWER diseases or events that
cause illness, death, or disability,
Distribution - CORRECT ANSWER refers to time, place and types of persons affected
by a particular disease or condition
Determinants - CORRECT ANSWER physical, biological, social, cultural and
behaviors that influence health
Natural history - CORRECT ANSWER the course of a disease if left untreated
Risk factors - CORRECT ANSWER characteristics associated with disease and
development
Nonmodifiable risk factors - CORRECT ANSWER those risk factors that cannot be
changed or eradicated
Modifiable risk factors - CORRECT ANSWER those risk factors that can be changed
or eradicated with lifestyle changes
, Hypothesis - CORRECT ANSWER tentative explanation for a scientific problem that
can be tested by further investigation
Etiology - CORRECT ANSWER the biological cause of a problem or disease
Agent - CORRECT ANSWER capable of causing an illness
Null hypothesis - CORRECT ANSWER a hypothesis that is stated as if there is no
relationship between the study factors and the disease
Epidemic - CORRECT ANSWER refers to a disease or condition that affects a greater
than expected number of individuals within a population, community, or region at the same
time
Endemic - CORRECT ANSWER the normal occurrence of a disease or condition
common to persons within a localized area
Epidemic threshold - CORRECT ANSWER upper end of the normal endemic level of
infections
Pandemic - CORRECT ANSWER an epidemic that has become geographically
widespread
Human subjects - CORRECT ANSWER any person that is observed for purposes of
research
Informed consent - CORRECT ANSWER the subjects understands the scope of the
study and can make an informed decision to participate
Causality - CORRECT ANSWER refers to determining the cause of a disease