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NR 503-MIDTERM EXAM QUESTIONS AND ANSWERS FULLY SOLVED
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Exam of 10 pages for the course NR503 at NR503 (NR 503-MIDTERM EXAM)
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NR 503-MIDTERM EXAMEpidemiology - answer Science of public health.
Study of disease within populations & risk factors.
Risk factors are genetic, environmental, social, cultural, or on some direct action by the
individual.
Servers to find the "why" of a disease & then to analyze the disease screening,
treatment, prevention, and monitoring.
population health - answer focuses on risk, data, demographics, and outcomes
Outcomes - answer End result that follows an intervention
Aggregate - answer defined population
Community - answer Multiple aggregates
Data - answer Compiled information
Prevalence - answer Existence of a disease.
Number of all cases of the disease
Incidence - answer Measures appearance of a disease over a period of time.
Surveillance - answer Collection, analysis, and dissemination of data.
High-risk - answer An increased chance of poor health outcomes
Morbidity - answer Presence of illness in a population
Mortality - answer Tracking deaths in an aggregate
Vital statistics - answer statistics on live births, deaths, fetal deaths, marriages and
divorces
Cases - answerCriterion used to make decisions whether the patient has a disease or
health event
, Social Justice - answerThe view that everyone deserves equal economic, political and
social rights and opportunities-including the right to good health
Inter-professional collaboration - answerCollaborative action oriented toward a common
goal of improving quality & safety of patient care.
Involves responsibility, accountability, coordination, communication, cooperation,
assertiveness, mutual respect, and autonomy.
HP2020 - answer4 goals:
1) attain high-quality lives preventable disease
2) achieve health equity, eliminate disparities, improve health of all groups
3) create social and physical environments that promote good health.
4) promote quality of life, healthy development, and health
Determinants of Care - answerRange of personal, social, economic, and environmental
factors that influence health status
Risk Analysis - answerCharacterization of the potential adverse health effects of human
exposures to environmental hazards
health disparities - answerDifferences of health statuses between various populations.
Sensitivity - answerMeasures the proportion of actual positives that are correctly
identified as such (e.g., % of sick people who are correctly identified as having the
condition)
Specificity - answerTrue negative rate
Measures actual negatives that are correctly identified as such (e.g., % of healthy
people who are correctly ID's as not having the condition)
Positive Predictive Value (PPV) - answerProbability that subjects with a positive
screening test truly have the disease
Epidemiological triangle - answerTriad with an external agent, host, and an environment
that cause the disease.
Environmental factors and genetics play a role.
Disease transmitted directly or indirectly.
Outright symptoms or subclinical disease.
Confounding Variable - answerExtra variable not accounted for and can ruin the
experiment.
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