NR 503 MIDTERM EXAM SCRIPT TESTED
QUESTIONS WITH VERIFIED ANSWERS
PRACTICE SOLUTION
⩥ 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
⩥ Behavioral Risk Factor Surveillance System (BRFSS).
Answer: The world's largest telephone survey that tracks lifestyle
behaviors that increase our risk for chronic disease.
⩥ which level of care has the most potential for effective prevention and
management of conditions
primary
secondary
tertiary.
Answer: primary
⩥ what is the validity of a screening for a disease.
,Answer: how accurately it identifies the disease
⩥ what is specificity of a screening.
Answer: (the ability of a test to correctly identify those who do not have
the disease
⩥ what is the sensitivity of a screening.
Answer: ability to correctly identify those who have a disease
⩥ what are continuous variable screenings.
Answer: like blood pressure monitoring or glucose monitoring -- on a
continuum
⩥ 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
⩥ 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.
⩥ PPV equation.
Answer: True positive / (all people that tested positive -- false and true)
, ⩥ NPV equation.
Answer: TN/(true neg and false neg -- all who test neg)
⩥ natural history of a disease.
Answer: course or progression of a disease process from onset to
resolution
⩥ 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
⩥ what is external validity.
Answer: generalizability to the population
⩥ health disparities.
Answer: differences in health status between various populations
⩥ tertiary prevention examples.
Answer: 1. Prevent pressure ulcers after SCI
QUESTIONS WITH VERIFIED ANSWERS
PRACTICE SOLUTION
⩥ 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
⩥ Behavioral Risk Factor Surveillance System (BRFSS).
Answer: The world's largest telephone survey that tracks lifestyle
behaviors that increase our risk for chronic disease.
⩥ which level of care has the most potential for effective prevention and
management of conditions
primary
secondary
tertiary.
Answer: primary
⩥ what is the validity of a screening for a disease.
,Answer: how accurately it identifies the disease
⩥ what is specificity of a screening.
Answer: (the ability of a test to correctly identify those who do not have
the disease
⩥ what is the sensitivity of a screening.
Answer: ability to correctly identify those who have a disease
⩥ what are continuous variable screenings.
Answer: like blood pressure monitoring or glucose monitoring -- on a
continuum
⩥ 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
⩥ 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.
⩥ PPV equation.
Answer: True positive / (all people that tested positive -- false and true)
, ⩥ NPV equation.
Answer: TN/(true neg and false neg -- all who test neg)
⩥ natural history of a disease.
Answer: course or progression of a disease process from onset to
resolution
⩥ 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
⩥ what is external validity.
Answer: generalizability to the population
⩥ health disparities.
Answer: differences in health status between various populations
⩥ tertiary prevention examples.
Answer: 1. Prevent pressure ulcers after SCI
