NAPSR Biostatistics and Epidemiology Exam Questions And Answers 100% Pass
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NAPSR Biostatistics and Epidemiology Exam
Questions And Answers 100% Pass
What is the concern of public health policy? - answerSafeguarding and protecting the health of a
community as a whole e.g. immunizations, motor vehicle safety, workplace safety, control of infectious
diseases, safer and h...
NAPSR Biostatistics and Epidemiology Exam
Questions And Answers 100% Pass
What is the concern of public health policy? - answer✔Safeguarding and protecting the health of a
community as a whole e.g. immunizations, motor vehicle safety, workplace safety, control of infectious
diseases, safer and healthier foods, healthier mothers and babies, family planning
What is the concern of the epidemiologist? - answer✔Community health
Disease - answer✔An abnormal condition that impairs proper physiological or psychological function
Illness - answer✔Subjective state of a person aware of not being well
Sickness - answer✔State of social dysfunction; a role that the individual assumes when ill
Clinical diagnosis - answer✔Clinical finding associated with pathology in a large group of people
Prognosis - answer✔Observations of a large group of people with the same disease, stage, treatment
How does epidemiology affect the selection of appropriate therapy? - answer✔Studying the effects of
therapy in a large randomized clinical trial
Epidemic - answer✔Greater number of cases of a disease than expected in a given population e.g. AIDS
in North America
Endemic - answer✔Constant presence of a disease in a particular region or population
Pandemic - answer✔Epidemic that has spread through human populations across borders
William Farr - answer✔1807-1883; in the Western world regarded as one of the founders of
DESCRIPTIVE EPIDEMIOLOGY (medical statistics)
John Snow - answer✔1813-1858; regarded in the Western world as the father of ANALYTICAL
EPIDEMIOLOGY; leader in the adoption of anesthesia and medical hygeine
Triad of descriptive epidemiology - answer✔Examines the NATURAL HISTORY and DISTRIBUTION of
disease via:
HOST in analytical epidemiology - answer✔Genetics, immune status, nutritional status
ENVIRONMENT in analytical epidemiology - answer✔Temperature, sanitation, pollution of water/air,
population density
What brings the host and agent together? - answer✔1. Reservoir
2. Vehicle
3. Vector
Reservoir - answer✔The natural habitat of the infectious agent animate or inanimate
Trans-placental transmission - answer✔Direct
Air-borne transmission - answer✔Indirect
Vector - answer✔Animate e.g. pigs, cows, humans, rats
Vehicle - answer✔Inanimate e.g. food, water, fomites, blood
Fomite - answer✔Any inanimate object capable of carrying infectious organisms
Distribution - answer✔Disease frequency, and pattern of disease occurence; who?, where?, when?;
descriptive epidemiology
Why can't descriptive epidemiology studies be used to prove association between two variables? -
answer✔Descriptive studies only lists problems to be studied by analytic methods
Active surveillance - answer✔Based on public health legislation; actively searching for cases; used during
OUTBREAKS to identify new cases
Passive surveillance - answer✔Reporting cases by health care providers based on mandated public
health legislation for certain conditions e.g. HIV cases
Sentinel surveillance - answer✔Monitoring the rate of occurence of specific conditions to assess the
change in health of a population
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