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Epi Exam Questions with Answers Chapter 5
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Epi Exam Questions with Answers Chapter 5
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Epi Exam Questions with Answers Chapter 51. Age effect the primary change in risk for a
given health-related state or
event is age
MORE INDIVIDUAL
2. cohort effect the change and variation in the
health-relat- ed state or event of a
study population as the study group
moves through time
MORE GROUP BASED (can be like social
trend)
3. constrictive pyramid A population pyramid showing a lowe
num-
ber or percentage of younger people
4. Continuous Source am epidemic caused by uninterupted
expo-
sure to a substance over time, but at
relative- ly low levels. the epidemic
tends to gradually increase, plateu
and then decrease
5. cyclic patterns periodic increases and decreases in
the oc- currence of health-related
states or events
can be SEASONAL
6. Decennial census the census of population taken by the
U.S.
Census Bureau in years ending in zero
7. Dependency Ratio calculated by dividing the population
under
age 15 and over age 64 by the
population aged 15-61; when multiplied
by 100, it rep- resents the number of
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,Epi Exam Questions with Answers Chapter 5
dependents for every 100 people of
working age (how many peo- ple are in
workforce vs whos not)
8. Epidemic Curve a histogram that shows the course of an
epidemic by plotting the number of
cases by time of onset
9. Expansive pyramid
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, Epi Exam Questions with Answers Chapter 5
a population pyramid that is wide at
the base and narrows thereafter,
indicating high birth and death rates
10. Fluctuation see short term trend
11. Healthy Worker effect occurs in cohort studies when workers
rep-
resent the exposed group and a
sample from the general population
represents the unex- posed group
12. Longitudinal data the same sample of respondents is
observed
at different time periods. also called
panel data.
13. Medical Surveillance close observation of individuals exposed
to a
communicable disease such that early
man- ifestations of the disease could be
detected and prompt isolation and
control measures imposed`
14. Period effect a change in the rate of a condition
affecting an entire population at a
given point in time
EXTERNAL!!!
15. Person aspects of disease, disability, injury,
and death on the individual level;
answer to the "who" question in
epidemiology
16. Place where health-related states or events
are oc- curring most or least
frequently
17. Point source epidemic in which persons are
exposed to the same single localized
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