13/11/2024 9:50AM
Epidemiology Updated Exam
Questions And Solutions
Studies of nativity and migration have reported that: - answers✔✔Some migrants have
inadequate immunization status with respect to vaccine-preventable diseases
According to classic studies, age-standardized morbidity rates in the United States for acute
conditions, chronic conditions, and disability due to acute conditions show the following sex
differences: - answers✔✔Rates for females are higher than rates for males
A null hypothesis is most similar to which of the following? - answers✔✔Negative
Declaration
High rates of mortality from hypertension found among African Americans may be due to: -
answers✔✔Dietary factors
Exposure to stress
Lack of social support
Obesity
(All of the above)
Cyclic variations in the occurrence of disease may reflect: - answers✔✔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)
Health phenomena may show cyclic variations in a person's response to temporary stressors. -
answers✔✔True
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13/11/2024 9:50AM
Descriptive epidemiology characterizes the amount and distribution of disease within a
population and enables the researcher to: - answers✔✔Generate testable hypotheses
regarding etiology and evaluate trends in health and disease within a population
B&C only
Marital status is an important descriptive variable because it is theorized to be a selective and
a protective factor in health - answers✔✔True
Race and ethnicity tend to overlap with nativity and religion. - answers✔✔True
Which of the following statements most accurately expresses the downward-drift hypothesis
for schizophrenia? - answers✔✔The illness leads to the clustering of psychosis in the
impoverished areas of a city.
Large international variations in rates of infectious and communicable diseases as well as
other conditions are most likely explained by: - answers✔✔Differences in climate
Differences in cultural factors
National dietary habits
Access to health care
(All of the above)
Reasons for gender differences in mortality may include: - answers✔✔Greater frequency of
smoking among men
Which of Mill's four canons suggests that there is an association between frequency of
disease and the potency of a causative factor? - answers✔✔Concominant variation
The three categories of descriptive epidemiologic variables are person, place, and time. -
answers✔✔True
Socioeconomic status and migration history appear to be important influences in health
disparities among racial groups. - answers✔✔True
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13/11/2024 9:50AM
Socioeconomic status is an example of a place variable. - answers✔✔False
Which of the following statements is NOT true of descriptive epidemiology? -
answers✔✔Descriptive epidemiology allows casual inference from descriptive data.
What data source has the advantage of being almost nearly complete in the U.S.? -
answers✔✔Mortality statistics & Birth statistics
B&C only
The best routinely available sources of data regarding the incidence of respiratory disease
outbreaks and other rapidly spreading conditions are: - answers✔✔Reports of absenteeism
from work and school
Cautious use of information from death certificates is warranted because: - answers✔✔Cause
of death information may not be correct
An abrupt drop in mortality due to a specific disease from one year to the next is most likely
due to: - answers✔✔A change in the International Classification of Disease (ICD) system
The Vital Statistics Registration System in the U.S. collects data on all vital events including:
- answers✔✔Birth
Death
Fetal deaths
(A,B,&C)
Before utilizing data for an epidemiologic study, the researcher must first consider the: -
answers✔✔Nature of the data
Availability of the data
Completeness of the data
(All of the above)