PHC6001:EXAM 3 EXAM WITH CORRECT
ACTUAL QUESTIONS AND CORRECTLY
WELL DEFINED ANSWERS LATEST 2025
ALREADY GRADED A+
When the test indicated that someone has the disease but they actually don't
this is called... - ANSWERS-false positive
When the test indicated someone does not have the disease but they actually
do this is called... - ANSWERS-false negative
______ is the probability that the test will correctly identify a person with the
outcome as being positive - ANSWERS-Sensitivity (%)
Sensitivity = - ANSWERS-[ a / (a+c) ] x 100
______ is the probability that the test will correctly identify a person without
the outcome as being negative - ANSWERS-Specificity (%)
,Specificity = - ANSWERS-[ d / (b+d) ] x 100
What measures the usefulness of a test, sign, or symptom in classifying people
with a certain outcome? - ANSWERS-Predictive value
_____ is the proportion of those with a positive test who have the outcome.
Measures the usefulness of a positive test at identifying those with the
outcome. - ANSWERS-positive predictive value
Positive predictive value (PPV) = - ANSWERS-a / (a+b)
_____ is the proportion of those with a negative test who do not have the
outcome.
Measures the usefulness of a negative test at identifying those without the
outcome. - ANSWERS-Negative predictive value
Research Articles: Details study design and analysis. - ANSWERS-Methods
Research Articles: Presents the findings of the study. - ANSWERS-Results
, Research Articles: Summarizes main findings, implications, and
recommendations for future research. - ANSWERS-Conclusion
Outline for research article critiquing? - ANSWERS-Collection of data
Analysis of data
Interpretation of data
Analytic studies should include a _____ hypothesis that is both measurable
(often quantitative) and specific. - ANSWERS-cogent
The introduction to the collection of data gives both... - ANSWERS-context and
objectives
Which hypothesis is better?
A. Babies who are breast-fed have less illness than babies who are bottle-fed.
B. Babies who are exclusively breastfed for three months or more will have at
least a 30% reduction in the incidence of hospital admission for gastroenteritis
in the first year of life. - ANSWERS-B
Poorly defined criteria in the collection of data may lead to the _____ of
exposure or outcome - ANSWERS-misclassification
Broad and narrow exposure categories produce _____ results - ANSWERS-
different
ACTUAL QUESTIONS AND CORRECTLY
WELL DEFINED ANSWERS LATEST 2025
ALREADY GRADED A+
When the test indicated that someone has the disease but they actually don't
this is called... - ANSWERS-false positive
When the test indicated someone does not have the disease but they actually
do this is called... - ANSWERS-false negative
______ is the probability that the test will correctly identify a person with the
outcome as being positive - ANSWERS-Sensitivity (%)
Sensitivity = - ANSWERS-[ a / (a+c) ] x 100
______ is the probability that the test will correctly identify a person without
the outcome as being negative - ANSWERS-Specificity (%)
,Specificity = - ANSWERS-[ d / (b+d) ] x 100
What measures the usefulness of a test, sign, or symptom in classifying people
with a certain outcome? - ANSWERS-Predictive value
_____ is the proportion of those with a positive test who have the outcome.
Measures the usefulness of a positive test at identifying those with the
outcome. - ANSWERS-positive predictive value
Positive predictive value (PPV) = - ANSWERS-a / (a+b)
_____ is the proportion of those with a negative test who do not have the
outcome.
Measures the usefulness of a negative test at identifying those without the
outcome. - ANSWERS-Negative predictive value
Research Articles: Details study design and analysis. - ANSWERS-Methods
Research Articles: Presents the findings of the study. - ANSWERS-Results
, Research Articles: Summarizes main findings, implications, and
recommendations for future research. - ANSWERS-Conclusion
Outline for research article critiquing? - ANSWERS-Collection of data
Analysis of data
Interpretation of data
Analytic studies should include a _____ hypothesis that is both measurable
(often quantitative) and specific. - ANSWERS-cogent
The introduction to the collection of data gives both... - ANSWERS-context and
objectives
Which hypothesis is better?
A. Babies who are breast-fed have less illness than babies who are bottle-fed.
B. Babies who are exclusively breastfed for three months or more will have at
least a 30% reduction in the incidence of hospital admission for gastroenteritis
in the first year of life. - ANSWERS-B
Poorly defined criteria in the collection of data may lead to the _____ of
exposure or outcome - ANSWERS-misclassification
Broad and narrow exposure categories produce _____ results - ANSWERS-
different
