NR 503 Epidemiology Midterm Exam / NR503 Midterm Exam : Population Health, Epidemiology & Statistical Principles (New 2021): Chamberlain College of Nursing
NR 503 Epidemiology Midterm Exam / NR503 Midterm Exam : Population Health, Epidemiology & Statistical Principles (New 2021): Chamberlain College of Nursing

NR 503 Epidemiology Midterm exam-graded 100%

Chamberlain college of nursing

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