Midterm Exam: NR 503/ NR503 (Latest 2023/ 2024 Update) Epidemiology Exam Review |Weeks 1-4| Guide with Questions and Verified Answers
... [Show More] -Chamberlain
QUESTION
What does the donabedian framework focus on
Answer:
the health of the collective or population instead of the individual
QUESTION
Vital statistics include data on:
Answer:
births
deaths
health records
surveys
physical exams
laboratory testing
QUESTION
why is vital statistics important to APRNs
Answer:
it provides important outcome measures to monitor and compare over time
also makes it able so the apron is able to detect things like health disparities
QUESTION
Behavioral Risk Factor Surveillance System (BRFSS)
Answer:
The world's largest telephone survey that tracks lifestyle behaviors that increase our risk for chronic disease.
QUESTION
which level of care has the most potential for effective prevention and management of conditions
primary
secondary
tertiary
Answer:
primary
QUESTION
what is the validity of a screening for a disease
Answer:
how accurately it identifies the disease
QUESTION
what is specificity of a screening
Answer:
(the ability of a test to correctly identify those who do not have the disease
QUESTION
what is the sensitivity of a screening
Answer:
ability to correctly identify those who have a disease
QUESTION
what are continuous variable screenings
Answer:
like blood pressure monitoring or glucose monitoring -- on a continuum
QUESTION
what is positive predictive value
Answer:
probability that a pt w/ a positive test truly has the disease. The more specific a test, the higher its PPV
QUESTION
what is a negative predictive value
Answer:
probability that a pt w/ a neg test truly does not have the disease. The more sensitive a test, the higher its NPV.
QUESTION
PPV equation
Answer:
True positive / (all people that tested positive -- false and true)
QUESTION
NPV equation
Answer:
TN/(true neg and false neg -- all who test neg)
QUESTION
natural history of a disease
Answer:
course or progression of a disease process from onset to resolution
QUESTION
what is internal validity
Answer:
This type of validity is focused on determining whether a study's findings are accurate
the test does what it should
QUESTION
what is external validity
Answer:
generalizability to the population
QUESTION
health disparities
Answer:
differences in health status between various populations [Show Less]