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NR 503 Epidemiology Exam Questions and Complete Solutions Graded A+
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NR 503 Epidemiology Exam Questions and Complete Solutions Graded A+
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NR 503 Epidemiology Exam Questionsand Complete Solutions Graded A+
Epidemiology - Answer: The science of public health.
The focus on assessing risk, data and demographics for large groups
Population Health - Answer: Focuses on risk, data, demographics and outcomes.
Outcome - Answer: The end result following an intervention
Aggregate - Answer: Defined population
Community - Answer: Composed of multiple aggregates
Data - Answer: Compile data
Prevalence - Answer: Measures the existence of all current cases within a time frame.
The number or proportion of cases of a particular disease or condition present in a population at a given
time.
Incidence - Answer: The number or rate of new cases of a particular condition during a specific time.
Measures the appearance of new cases.
Surveillance - Answer: Collection, analysis, dissemination of data.
High- risk - Answer: Increased chance of poor health outcome.
Morbidity - Answer: Presence of illness in population
, Mortality - Answer: Related to the tracking of deaths within an aggregate
Validity - Answer: the extent to which a test measures or predicts what it is supposed to.
test is the ability of that test to distinguish correctly who has a disease
Specificity - Answer: the ability of a test to correctly identify those who do not have the disease
sensitivity - Answer: the ability of a test to correctly identify those who have a disease
primary prevention - Answer: Efforts to prevent an injury or illness from ever occurring.
Primary prevention identifies modifiable risk
secondary prevention - Answer: -focuses on early identification of individuals or communities
experiencing illness, providing treatment, and conducting activities that are geared to prevent
worsening health status
-examples: communicable disease screening and case finding; early detection and treatment of
diabetes; exercise programs for older adult clients who are frail
tertiary prevention - Answer: actions taken to contain damage once a disease or disability has
progressed beyond its early stages
tertiary prevention examples - Answer: - enhance rehabilitation from disease, injury, or disability
- Provide cardiac rehabilitation, medication, and surgery.
- medical treatment
- physical and occupational therapy, and rehabilitation
- Monitor the use of prescription medications and adherence to treatment to reduce risk for illness
complications
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