Posted: May 11th, 2022
NR 503 Epidemiology Midterm Questions
NR 503 Epidemiology Midterm Questions
NR 503 Epidemiology midterm questions& answers:
1. The population of a city on February 15, 2005, was 36,600. The
city has a passive surveillance system that collects hospital and
private physician reports of influenza cases every month. During
the period between January 1 and April 1, 2005, 2,200 new cases
of influenza occurred in the city. Of these cases, 775 persons were
ill with influenza according to surveillance reports on April 1, 2005.
The prevalence rate of active influenza as of April 1, 2005, was:
Correct! 20 per 1,000 population
2. The population of a city on February 15, 2005, was 36,600. The
city has a passive surveillance system that collects hospital and
private physician reports of influenza cases every month. During
the period between January 1 and April 1, 2005, 2,200 new cases
of influenza occurred in the city. Of these cases, 775 persons were
ill with influenza according to surveillance reports on April 1, 2005.
The monthly incidence rate of active cases of influenza for the 3-
month period was:
3. What would be the effect on age-specific incidence rates of
uterine cancer if women with hysterectomies were excluded from
the denominator of incidence calculations assuming that most
women who have had hysterectomies are older than 50 years of
age?
NR 503 Epidemiology Midterm
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