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Chapter: 1 / Q: 21
The health statistics department revealed that the sale of anti-Asthma drugs was more in those countries where Asthma deaths were mor This association may prove wrong when the individual based study designs are conducte This association is an example of:
Chapter: 1 / Q: 22
A researcher wanted to study the time sequence to prove the concept of causativity, which design of study should be preferred by the researcher:
Chapter: 1 / Q: 23
Smoking leads to esophageal carcinom Coffee intake has its effect on smoking and also esophageal carcinom This factor can distort the results of the study which intends to prove an association between smoking and esophageal cancer. This effect of this factor is known as:
Chapter: 1 / Q: 24
The health authorities are launching a smoking cessation program by designing different activities for the smokers. These are very expensive but still useful as a large proportion of lung cancer will be eliminated if smoking is stoppe This proportion of lung cancer can be indicated by:
Chapter: 1 / Q: 25
A researcher was studying maternal mortality in Rawalpindi District. He observed more deaths in women who were brought to hospital and without taking other factors into account concluded that hospital managed cases have more mortality as compared to home deliveries. This is an example of:
Chapter: 1 / Q: 26
Early diagnosis & prompt treatment is focused on:
Chapter: 1 / Q: 27
An expert in the field of public health is required to estimate the magnitude of a health problem. Which rate would he calculate for this?
Chapter: 1 / Q: 28
When the number of educated females is expressed as a percentage of total females present in a villag It is known as:
Chapter: 1 / Q: 29
The trend in mortality from tuberculosis in England showed a steady fall in years 1855 – 1965 but thereafter a gradual rise in the incidence of this disease was reporte This type of time trend or fluctuation in disease occurrence is termed as:
Chapter: 1 / Q: 30
In the mid nineteenth century, an epidemiologist suggested that cholera was caused by drinking water in which an invisible agent is present. This type of association gives:
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