NR 503 Made Easy: A+ Questions and Answers. A 2025/2026 Study Guide
Terms in this set (182)
Internal validity whether the study measures what it was supposed to measure.
external validity the generalizability of the results to other populations
probability the study of the lows of chance
the test ability to yield a negative results when the person does
specificity
not have the conditions
gold standard test with 100% sensitivity and specificity
the probability of the person actually having the disease when
Positive Predictive Value (PPV)
the screening test or diagnostic test is negative
clinical significance referring to the results that have clinical significance
natural history of the disease natural of the disease and how it progress
, refers to the process of altering susceptibility or reducing
exposure to susceptible individuals and includes general health
primary prevention promotion and specific measures designed to prevent disease
prior to a person getting the disease
interventions aimed at preventing the condition,
disorder, and disease educating to prevent disease
intervention aim at detecting the disease early in its source, ex
secondary prevention screening for hypertension
screening to identify the disease at the earliest stage
strategies are implemented during the middle or late stages of
tertiary prevention clinical disease and refer to measures taken to alleviate
disability and restore effective functioning.
limiting the effects of the disease once is established ex rehabilitations
programs.
occurs when the test correctly reports disease presence when
True Positive (TP)
disease is in fact present.
occurs when the test incorrectly reports disease presence when
false positive test
disease is in fact absent
occurs when the test incorrectly reports the absence of disease
false negative
when disease is in fact present
combines sensitivity and specificity data to help the clinician
Likehood ratio test (LD)
quantify how much the odds of disease changed based on a
positive or negative test results.
person to person interventions aim to modify adolescents risk/
early and middle childhood
protective
behaviours and health outcomes by improving their caregiver's parenting
skills.
the us preventive service task force (USPSTF)
adolescent health
strongly recommends that all adolescents and adults
are at increase risk for HIV infection to be screen.
the us preventive service task force (USPSTF) recommends
blood disorder and blood safety
screening of sickle cell in newborns
the us preventive service task force (USPSTF) recommends
genomics guidelines that woman whose family hx us associated with an increase
risk of deleterious mutations in BRCA1 or BRCA2 genes to
be referred for genetic counseling and evaluation for BRCA
testing.
social determinant of health assess the cleanliness of clients water, food and air.
the science of public health.
Epidemiology study and analysis of the distributions, patterns and
Terms in this set (182)
Internal validity whether the study measures what it was supposed to measure.
external validity the generalizability of the results to other populations
probability the study of the lows of chance
the test ability to yield a negative results when the person does
specificity
not have the conditions
gold standard test with 100% sensitivity and specificity
the probability of the person actually having the disease when
Positive Predictive Value (PPV)
the screening test or diagnostic test is negative
clinical significance referring to the results that have clinical significance
natural history of the disease natural of the disease and how it progress
, refers to the process of altering susceptibility or reducing
exposure to susceptible individuals and includes general health
primary prevention promotion and specific measures designed to prevent disease
prior to a person getting the disease
interventions aimed at preventing the condition,
disorder, and disease educating to prevent disease
intervention aim at detecting the disease early in its source, ex
secondary prevention screening for hypertension
screening to identify the disease at the earliest stage
strategies are implemented during the middle or late stages of
tertiary prevention clinical disease and refer to measures taken to alleviate
disability and restore effective functioning.
limiting the effects of the disease once is established ex rehabilitations
programs.
occurs when the test correctly reports disease presence when
True Positive (TP)
disease is in fact present.
occurs when the test incorrectly reports disease presence when
false positive test
disease is in fact absent
occurs when the test incorrectly reports the absence of disease
false negative
when disease is in fact present
combines sensitivity and specificity data to help the clinician
Likehood ratio test (LD)
quantify how much the odds of disease changed based on a
positive or negative test results.
person to person interventions aim to modify adolescents risk/
early and middle childhood
protective
behaviours and health outcomes by improving their caregiver's parenting
skills.
the us preventive service task force (USPSTF)
adolescent health
strongly recommends that all adolescents and adults
are at increase risk for HIV infection to be screen.
the us preventive service task force (USPSTF) recommends
blood disorder and blood safety
screening of sickle cell in newborns
the us preventive service task force (USPSTF) recommends
genomics guidelines that woman whose family hx us associated with an increase
risk of deleterious mutations in BRCA1 or BRCA2 genes to
be referred for genetic counseling and evaluation for BRCA
testing.
social determinant of health assess the cleanliness of clients water, food and air.
the science of public health.
Epidemiology study and analysis of the distributions, patterns and
