*NURSING > EXAM > Chamberlain College of Nursing, NR 503 Week 4 Midterm Exam. Questions And Answers. (All)

Chamberlain College of Nursing, NR 503 Week 4 Midterm Exam. Questions And Answers.

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NR 503 Week 4 Midterm Endemic means that a disease: A. Occurs clearly in excess of normal expectancy B. Is habitually present in human populations C. Affects a large number of countries simult... aneously D. Exhibits a seasonal pattern E. Is prevalent among animals Table who ate egg salad & who did not eat egg salad Total number of persons who ate each specified combination of food items Ate tuna Did not eat tuna Ate egg salad 75 100 Did not eat egg salad 200 50 Total number of persons who ate each specified combination of food items & who later became sick (with acute sore throats) Ate tuna Did not eat tuna Ate egg salad 60 75 Did not eat egg salad 70 15 What is the sore throat attack rate in persons who ate both egg salad & tuna a. 60/75 b. 70/200 c. 60/133 d. 60/275 e. None of the above According to the results shown in the preceding tables, which of the following food items (or combination of food items) is most likely to be infective? a. Tuna only b. Egg salad only c. Neither tuna nor egg salad d. Both tuna & egg salad e. Cannot be calculated from the data In the study of an outbreak of an infectious disease, plotting an epidemic curve is useful because: a. It helps to determine what type of an outbreak (e.g. single-source, person-to-person) has occurred b. It shows whether herd immunity has occurred c. It helps to determine the median incubation period d. A & c e. A,b, & c Which of the following is characteristic of a single-exposure, common-vehicle outbreak? a. Frequent secondary cases b. Increasing severity with increasing age c. Explosive d. Cases include both people who have been exposed & those who were not exposed e. All of the above At an initial examination in Oxford, Mass migraine headaches was found in 5 of 1,000 men aged 30 to 35 years & in 10 of 1,000 women aged 30 to 35 years. The inference that women have a two times greater risk of developing headaches than do men in this group is: Incorrect because of failure to distinguish between incidence & prevalence A prevalence survey conducted from January 1 through December 31, 2012 identified 1,000 cases of schizophrenia in a city of 2,000,000 persons. The incidence rate of schizophrenia in this population is 5/100,000 persons each year. What percent of the 1,000 cases were diagnosed in 2012? 10% Which of the following is an advantage of active surveillance? [Show More]

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