NR 503 EPIDEMIOLOGY UPDATED
ACTUAL Exam Questions and CORECT
Answers
Epidemiology - CORRECT ANSWER - The science of public health.
The focus on assessing risk, data and demographics for large groups
Population Health - CORRECT ANSWER - Focuses on risk, data, demographics and
outcomes.
Outcome - CORRECT ANSWER - The end result following an intervention
Aggregate - CORRECT ANSWER - Defined population
Community - CORRECT ANSWER - Composed of multiple aggregates
Data - CORRECT ANSWER - Compile data
Prevalence - CORRECT 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 - CORRECT ANSWER - The number or rate of new cases of a particular
condition during a specific time.
Measures the appearance of new cases.
, Surveillance - CORRECT ANSWER - Collection, analysis, dissemination of data.
High- risk - CORRECT ANSWER - Increased chance of poor health outcome.
Morbidity - CORRECT ANSWER - Presence of illness in population
Mortality - CORRECT ANSWER - Related to the tracking of deaths within an aggregate
Validity - CORRECT 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 - CORRECT ANSWER - the ability of a test to correctly identify those who do
not have the disease
sensitivity - CORRECT ANSWER - the ability of a test to correctly identify those who
have a disease
primary prevention - CORRECT ANSWER - Efforts to prevent an injury or illness from
ever occurring.
Primary prevention identifies modifiable risk
secondary prevention - CORRECT 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
ACTUAL Exam Questions and CORECT
Answers
Epidemiology - CORRECT ANSWER - The science of public health.
The focus on assessing risk, data and demographics for large groups
Population Health - CORRECT ANSWER - Focuses on risk, data, demographics and
outcomes.
Outcome - CORRECT ANSWER - The end result following an intervention
Aggregate - CORRECT ANSWER - Defined population
Community - CORRECT ANSWER - Composed of multiple aggregates
Data - CORRECT ANSWER - Compile data
Prevalence - CORRECT 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 - CORRECT ANSWER - The number or rate of new cases of a particular
condition during a specific time.
Measures the appearance of new cases.
, Surveillance - CORRECT ANSWER - Collection, analysis, dissemination of data.
High- risk - CORRECT ANSWER - Increased chance of poor health outcome.
Morbidity - CORRECT ANSWER - Presence of illness in population
Mortality - CORRECT ANSWER - Related to the tracking of deaths within an aggregate
Validity - CORRECT 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 - CORRECT ANSWER - the ability of a test to correctly identify those who do
not have the disease
sensitivity - CORRECT ANSWER - the ability of a test to correctly identify those who
have a disease
primary prevention - CORRECT ANSWER - Efforts to prevent an injury or illness from
ever occurring.
Primary prevention identifies modifiable risk
secondary prevention - CORRECT 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
