Chamberlain University
NR- 503 Population Health, Epidemiology &
Statistical Principles
NR- 503 Final & Midterm Exam
Course Title and Number: NR-503 Population Health,
Epidemiology & Statistical Principles Exam
Exam Title: NR-503 Final & Midterm Exam
Exam Date: Exam 2024- 2025
Instructor: [Insert Instructor’s Name]
Student Name: [Insert Student’s Name]
Student ID: [Insert Student ID]
Examination
180 minutes
Instructions:
1. Read each question carefully.
2. Answer all questions.
3. Use the provided answer sheet to mark your responses.
4. Ensure all answers are final before submitting the exam.
5. Please answer each question below and click Submit when you
have completed the Exam.
6. This test has a time limit, The test will save and submit
automatically when the time expires
7. This is Exam which will assess your knowledge on the course
Learning Resources.
Good Luck!
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Read All Instructions Carefully and Answer All the
Questions Correctly Good Luck: -
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
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