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NR 503 MIDTERM EXAM QUESTIONS AND ANSWERS 2024
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NR 503 MIDTERM EXAM QUESTIONS AND ANSWERS 2024
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NR 503 MIDTERM EXAMIn 2001, a state enacted a law that required the use of safety seats for all children
under 7 years of age and mandatory seatbelt use for all persons. The table above
lists the number of deaths due to motor vehicle accidents (MVAs) and the total
population by age in 2000 (before the law) and in 2005 (4 years after the law was
enacted) - ANSWERS-Correct, because both the total and the age-adjusted
mortality rates are higher in 2005 than in 2000
Which of the following is an advantage of active surveillance? - ANSWERS-More
accurate due to reduced reporting burden for health care providers
A disease has an incidence of 10 per 1,000 persons per year, and 80% of those
affected will die within 1 year. Prior to the year 2000, only 50% of cases of the
disease were detected by physician diagnosis prior to death. In the year 2000, a
lab test was developed that identified 90% of cases an average of 6 months prior
to symptom onset; however, the prognosis did not improve after diagnosis.
Which statement is true concerning the duration of the disease after the
development of the lab test? - ANSWERS-Mean duration of a case of the disease
is longer in 2000
What is the overall attack rate in persons who did not eat ice cream? - ANSWERS-
33%
The table above describes the number of illnesses and deaths caused by plague in
four communities. The proportionate mortality ratio associated with plague is
lowest in which community? - ANSWERS-Community D
,Which of the following is characteristic of a single-exposure, common-vehicle
outbreak? - ANSWERS-The epidemic curve has a normal distribution when plotted
against the logarithm of time
The following table gives the mean annual age-specific mortality rates from
measles during the first 25 years of life in successive 5-year periods. You may
assume that the population is in a steady state (i.e., migrations out are equal to
migrations in) - ANSWERS-2.4 3.3 2.0 0.6 0.1
A disease has an incidence of 10 per 1,000 persons per year, and 80% of those
affected will die within 1 year. Prior to the year 2000, only 50% of cases of the
disease were detected by physician diagnosis prior to death. In the year 2000, a
lab test was developed that identified 90% of cases an average of 6 months prior
to symptom onset; however, the prognosis did not improve after diagnosis.
Comparing the epidemiology of the disease prior to 2000 with the epidemiology
of the disease after the development of the lab test, which statement is true
concerning the disease in 2000? - ANSWERS-Incidence is higher and prevalence is
higher than in 1999
A survey was conducted among 1,000 randomly sampled adult males in the
United States in 2005. The results from this survey are shown below. The
researchers stated that there was a doubling of risk of hypertension in each group
younger than 60 years of age. You conclude that the researchers' interpretation: -
ANSWERS-Is incorrect because prevalence rates are estimated
Which of the following is a condition which may occur during the incubation
period? - ANSWERS-Transmission of infection
, The incidence and prevalence rates of a chronic childhood illness for a specific
community are given below. Based on the data, which of the following
interpretations best describes disease X? - ANSWERS-The duration of disease is
becoming longer
A disease has an incidence of 10 per 1,000 persons per year, and 80% of those
affected will die within 1 year. Prior to the year 2000, only 50% of cases of the
disease were detected by physician diagnosis prior to death. In the year 2000, a
lab test was developed that identified 90% of cases an average of 6 months prior
to symptom onset; however, the prognosis did not improve after diagnosis.
Which statement is true concerning the disease-specific mortality rate after the
development of the lab test? - ANSWERS-The mortality rate for the disease is the
same in 2000
Among those who are 25 years of age, those who have been driving less than 5
years had 13,700 motor vehicle accidents in 1 year, while those who had been
driving for more than 5 years had 21,680 motor vehicle accidents during the same
time period. It was concluded from these data that 25-year-olds with more driving
experience have increased accidents compared to those who started driving later.
This conclusion is: - ANSWERS-Incorrect because rates are not reported
The nurse practitioner is reviewing a recent study that utilizes analytic
epidemiology by means of a cohort study design. The cohort study design informs
the practitioner about which of the following - ANSWERS-Outcomes that develop
from an exposure
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