NR 503 Midterm
ACTUAL EXAM WITH
QUESTIONS AND WELL
VERIFIED ANSWERS
[ALREADY GRADED A+]
REAL EXAM!! REAL
EXAM!!
What is an advantage of active surveillance? -
ANSWER-more accurate due to reduced
reporting burden for health care providers
What would be the effect on age-specific
incidence rates of uterine cancer if women
with hysterectomies were excluded from the
denominator of the calculations, assuming
there are some women who have had them? -
ANSWER-Incidence rate will increase because
the denominator will decrease
Mortality rates - ANSWER-can serve as a
measure of disease severity and can help to
determine whether the treatment for a disease
has become more effective over time.
Mortality rates equation - ANSWER-total # of
deaths from all causes in 1 year/ # of persons
in the population at midyear * 1,000 since the
population changes over time the number of
persons in the population is used as an
approximation
Case-Fatality - ANSWER-# of individuals dying
during a specific period of time after disease
onset or diagnosis/ # of individuals with the
specific disease * 100
what percentage of people who have a certain
disease die within a certain time after their
disease was diagnosed?
What is the difference between mortality rate
and case-fatality? - ANSWER-mortality rates
have the entire population as the denominator
who are at risk and those who aren't. Casefatality should be restricted to deaths from that
disease
Assume the population of 100,000 people of
whom 20 are sick with disease X and in 1 year,
18 of the 20 die from disease X - ANSWERMortality rate: 18/100,000 = .018%
Case-fatality: 18/20= 90%
Proportionate Mortality - ANSWER-ex. of all
deaths in the U.S what proportion was caused
by cardiovascular disease? # of deaths in the
U.S in 2010/total deaths in the U.S in 2010 * 100
Surveillance - ANSWER-used to monitor
changes in disease frequency or to monitor
changes in the levels of risk factors. Most
frequently conducted for infectious diseases
"on going systemic collection, analysis, and
interpretation of health data" Descriptive
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