AND ANSWERS MARKED A+
✔✔Operations research illustrates which of the following uses of epidemiology: -
✔✔Health services use
✔✔Specializations that contribute to epidemiology include: - ✔✔Sociology
History
Law
✔✔The English anesthesiologist who linked cholera outbreaks to contaminated water
and innovated several of the key epidemiologic methods that remain valid and in use
today was: - ✔✔John Snow
✔✔The occurrence in a community or region of cases of an illness, specific health
behavior, or other health related events clearly in excess of normal expectancy is known
as a(n): - ✔✔Epidemic
✔✔True or False? A pandemic is an epidemic occurring worldwide or crossing
international boundaries. - ✔✔True
✔✔True or False? Descriptive epidemiology refers to studies that are concerned with
characterizing the amount and distribution of health and disease within a population. -
✔✔True
✔✔True or False? Epidemiology can help solve a variety of today's health-related
problems, ranging from smoking to youth violence. - ✔✔True
✔✔True or False? Epidemiology is concerned with the distribution and determinants of
health and diseases, morbidity, injuries, disability and mortality in populations. - ✔✔True
✔✔True or False? It is possible for a single case of a disease to represent an epidemic.
- ✔✔True
✔✔True or False? The term epidemiologic transition describes a shift in the patterns of
morbidity and mortality from causes related primarily to infectious diseases to causes
associated with chronic diseases. - ✔✔True
✔✔Which of the following disease outbreaks occurred between 1346 and 1352 and
claimed up to one-third of the population of Europe: - ✔✔Black Death
, ✔✔What is one of the first steps in presenting data after they have been reviewed for
accuracy and completeness? - ✔✔Count and tabulate cases
✔✔According to the Generic Contingency table, the letter of the cell that shows that the
exposure is absent and disease is absent is - ✔✔D
✔✔An r of +1 is - ✔✔A perfect direct linear associtation
✔✔If the mean and the median are identical, this means that: - ✔✔The distribution is
symmetrical
✔✔In a dose-response curve, the ________ refers to the lowest dose at which a
particular response occurs. - ✔✔Threshold
✔✔Multimodal distributions can reflect age-related - ✔✔changes in immune status
operation of latency effects
changes in lifestyle
✔✔True or False: The closer the points lie on a scatter plot, with respect to the straight
line of best fit through them, the stronger the association between the variables. -
✔✔True
✔✔A value that describes a characteristic of a population is called a ____________? -
✔✔Parameter
✔✔A value that describes a characteristic of a sample is called a ___________ -
✔✔Statistic
✔✔What is this type of graphical plotting called that shows the distribution of cases over
time? - ✔✔Epidemic Curve
✔✔On what scale of measurement is age? - ✔✔interval or ratio (continuous)
✔✔What are the main differences between simple random sampling and stratified
sampling? - ✔✔Simple random sampling is the use of random process to select a
sample that has the least amount of bias. Stratified sampling is when a a stratum, or
subgroup of the population is oversampled to ensure sufficient number of individuals
from that stratum are included
✔✔How many % of people in a sample lie within +/- 2 standard deviations from the
mean? - ✔✔94.5%