Epidemiology Quiz 4 Questions and
Correct Answers/ Latest Update / Already
Graded
Gradual changes in the frequency of diseases over long periods are
known as:
Ans: secular trends.
In epidemiology, place variables include:
Ans: localized occurrence of disease.
Increases and decreases in the frequency of a disease within a year or
over a period of several years are known as:
Ans: cyclic trends.
Urban diseases and causes of mortality are more likely to be those
associated with:
Ans: person-to-person contact.
Variations in infectious and chronic diseases from one country to
another may be attributed to:
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