PHS803
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1. ………is a fraction of the form
a ratio
odds ratio
population
a sample
2. Screening is used for the following purposes except ………
case detection
control of disease
death
research
3. …………is the ability to attest to identify correctly those who do not have the disease
sensitivity
specificity
reliability
accuracy
4. refers to the potential level of fertility performance, physical capacity for bearing children of a population or physiological capacity to produce
fertility
natality
fecundity
maternity
5. The amount of previously unrecognized disease that is diagnosed as a result of the screening programme is called ………
false positive
yield
false negative
predictive value of a test
6. Parameters used to assess the health status of communities and population groups are called
immunization data
vital statistics
sample survey
sample
7. The type of prevalence that measures the probability of people having a disease at one particular point in time is
accurate prevalence
period prevalence
predictive prevalence
point prevalence
8. ……………..is a measure of the residual risk of a disease due to exposure to a specific agent or risk factor
relative risk
exposure risk
relative density
attributable risk
9. Attributatble roisk is aslo known as ………………….
exposure risk
risk factor
risk difference
relative risk
10. …………….. are person who do not have the disease in question but are told they have it
predictive value of a test
false negatives
yield
false positives
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