NR 503 week 2 Exam Questions and Correct Answers Latest Update 2025
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NR 503 we-ek 2
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NR 503 We-ek 2
NR 503 week 2 Exam Questions and Correct Answers Latest Update 2025
5 W's of descriptive epidemiology - Answers Diagnosis or health event (what), Person (who), Place (where), Time (when) and Modes of Transmission (why/how)
primary prevention - Answers Efforts to prevent an injury or illness from ...
NR 503 week 2 Exam Questions and Correct Answers Latest Update 2025
5 W's of descriptive epidemiology - Answers Diagnosis or health event (what), Person (who), Place
(where), Time (when) and Modes of Transmission (why/how)
primary prevention - Answers Efforts to prevent an injury or illness from ever occurring.
how does primary prevention occur - Answers through application of epidemiological concepts and
database to assess risk factors.
secondary prevention - Answers screening for disease
what is the most cost-effective strategy to improve health status - Answers secondary prevention
tertiary prevention - Answers Interventions that would prevent complications from chronic conditions
and prevent further illness, injury, or disability.
natural history of disease - Answers nature of the disease and how it progresses
primary prevention - Answers interventions aimed at preventing that condition disease or disorder
secondary prevention - Answers interventions aimed at detecting a disease early in the course
tertiary prevention - Answers limiting the effect of the disease once it's established
true positive - Answers hookers when do they test correctly reports disease presents when disease is in
fact present
false positive test - Answers occurs when the test incorrectly reports disease presents when disease is in
fact absent.
false negative - Answers occurs when the test incorrectly reports the absence of a disease when the
disease is in fact present
internal validity - Answers weather the study measures what it is supposed to measure
external validity - Answers the generalizability of the result two other populations
Reliability - Answers the ability of a test result being replicated if the test is repeated.
probability - Answers the study of the laws of chance
sensitivity - Answers the test ability to yield a positive result when the person actually has a condition
disorder or disease
Specificity - Answers the test ability to yield a negative results when a person does not have a condition
gold standard - Answers test with 100% sensitivity and specificity
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