lOMoARcPSD|15697530
NR 503- Epidemiology midterm questions &
answers With Elaborations
Population Health, Epidemiology & Statistical Principles (Chamberlain
University)
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, lOMoARcPSD|15697530
NR 503 Epidemiology Midterm Questions &
Answers (Graded A)
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:
Answer: 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:
Answer: 20 per 1,000 population
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?
Answer: Rates would increase in women older than 50 years of age but may
decrease in younger women as they get older.
4. The ability of a single person to remain free of clinical illness following exposure to an
infectious agent is known as:
Answer: Immunity
5. Which of the following reasons can explain why a person who did not consume the
infective food item got sick?
Answer: All of the above
6. Which of the food items (or combination of items) is most likely to be the
infective item(s)?
Answer: Ice cream only
Downloaded by Dan Wasilwa
()
NR 503- Epidemiology midterm questions &
answers With Elaborations
Population Health, Epidemiology & Statistical Principles (Chamberlain
University)
Downloaded by Dan Wasilwa
, lOMoARcPSD|15697530
NR 503 Epidemiology Midterm Questions &
Answers (Graded A)
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:
Answer: 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:
Answer: 20 per 1,000 population
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?
Answer: Rates would increase in women older than 50 years of age but may
decrease in younger women as they get older.
4. The ability of a single person to remain free of clinical illness following exposure to an
infectious agent is known as:
Answer: Immunity
5. Which of the following reasons can explain why a person who did not consume the
infective food item got sick?
Answer: All of the above
6. Which of the food items (or combination of items) is most likely to be the
infective item(s)?
Answer: Ice cream only
Downloaded by Dan Wasilwa
()
