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Epidemiology Test 2 Questions And Answers 100% Correct
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Epidemiology Test 2 Questions And Answers100% Correct
The studies of nativity and migration have reported that: - ANSWER Some migrants have
inadequate immunization status with respect to vaccine-preventable diseases
Classic studies have also reported the following regarding age-standardized morbidity
rates in the United States for acute conditions, chronic conditions, and disability due to
acute conditions: - ANSWER Rates for females are higher than rates for males
A null hypothesis is most similar to which of the following? - ANSWER Negative
Declaration
High rates of mortality from hypertension found among African Americans may be due
to: - ANSWER Dietary factors
Exposure to stress
Lack of social support
Obesity
(All of the above)
Cyclic variations in the occurrence of disease may reflect: - ANSWER Changes in
exposure to infectious agents
Changes in the risk-taking behavior of persons
Changes in temporary stressors
Endogenous biologic factors
(All of the above)
The health phenomena may exhibit cyclic variations in subject's response to transient
,stressors. - ANWER True
Descriptive epidemiology describes the frequency and pattern of disease in a
population and allows the researcher to: - ANWER Formulate testable hypothesis about
cause and evaluate trends in health and disease in a population
B&C only
Marital status is considered an important descriptive variable because it is theorized to
be both a selective and a protective factor in health - ANSWER True
Race and ethnicity share many elements of overlap with nativity and religion. - ANSWER
True
Which of the following statements best describes the downward-drift hypothesis for
schizophrenia? - ANSWER The illness causes psychosis to concentrate in a city's
poorest areas.
Large international differences in rates of infectious and communicable diseases as well
as other disorders are best explained by: - ANSWER Differences in climate
Differences in cultural factors
National dietary habits
Access to health care
All of the above
Reasons for mortality gender differences may include: - ANSWER Greater smoking
frequency in men
Which of Mill's four canons suggests that with an increase in the frequency of a disease
there is an increase in the potency of a causative factor? - ANSWER Concominant
variation
, The descriptive epidemiologic variables include person, place, and time. - ANSWER
True
Migration history and socioeconomic status seem to be major factors in the disparity in
health among racial groups. - ANSWER True
Socioeconomic status is a place variable. - ANSWER False
Which of the following statements is NOT true of descriptive epidemiology? - ANSWER
Descriptive epidemiology allows casual inference from descriptive data.
Which of the following data source has the advantage of being almost nearly complete in
the U.S.? - ANSWER Mortality statistics & Birth statistics
B&C only
The best sources of data that are routinely available in relation to the incidence of
outbreaks of respiratory diseases and other rapidly spreading conditions are: -
ANSWER Absence from work and school reports
Information from death certificates should be used cautiously because: - ANSWER
Information about cause of death may be incorrect
Which of the following is the most probable reason for the sudden decline in deaths from
a particular disease from one year to another? : - ANSWER A revision in the
International Classification of Disease system
The U.S. Vital Statistics Registration System gathers information on all vital events
except: - ANSWER Birth
Death
Fetal death
(A,B,&C)
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