STUDY GUIDE 2026 | VERIFIED ANSWERS |
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Vaccination data on vaccinations such as diphtheria and tetanus, pertussis, polio,
and measles are collected through the use of which survey? -
ANSWER National Immunization Survey
The Centers for Disease Control and Prevention's (CDC) Morbidity and Mortality
Weekly Report (MMWR) defines which type of disease as "one for which regular,
frequent, and timely information regarding individual cases is considered
necessary for the prevention and control of the disease." - ANSWER notifiable
disease
Which survey includes both a home interview and health tests done in a mobile
examination center? - ANSWER National Health and Nutrition Examination
Survey
Which of the following is a telephone survey of adults in each state? -
ANSWER Behavioral Risk Factor Surveillance Survey
What survey would be most useful in examining alcohol consumption in the
United States by adults? - ANSWER National Health and Nutrition Examination
Survey
, Which of the following, mandated by the National Health Survey Act of 1956, is
currently the principal source of information on the health of the civilian non-
institutionalized population of the United States? - ANSWER National Health
Interview Survey
The main disadvantage of using which type of controls is the difficulty in
determining appropriate illnesses for inclusion? - ANSWER Hospital and clinic
controls
The exposed group can also be referred to as which of the following? -
ANSWER Index group
Observational studies take advantage of the fact that people expose themselves to
noxious or healthy substances through their personal habits. - ANSWER True
Which type of study evaluates an association using the population rather than the
individual as the unit of analysis? - ANSWER Ecological study
The high degree if validity in which type of study stems mainly from the
investigator's ability to randomize subjects to either the treatment group or the
comparison group and thereby control for distortions produced by confounding
variables? - ANSWER Experimental study
Which type of studies typically take a snapshot of a population at a single point in
time and therefore usually measures the disease prevalence, exposure prevalence,
or relationship between the two? - ANSWER Cross-sectional study
,Which type of observational study examines one or more health effects/outcomes
of exposure to a single agent? - ANSWER Cohort study
Which of the following is a method of sampling a population in which researchers
identify and enroll cases of disease and a sample of the source population that gave
rise to the cases? - ANSWER Case-control study
Consider a cohort of 2,000 people, of whom 800 are smokers and 1,200 are non-
smokers. The entire cohort is observed for 20 years, and 100 participants develop
lung cancer, of who 90 are smokers and 10 are not.
Which is the correct interpretation for relative risk? - ANSWER Smokers are
"x" times as likely to develop lung cancer as compared to non-smokers
Although there are several advantages to using the general population as a
comparison group, which of the following is the main disadvantage? -
ANSWER Healthy worker effect
British investigators conducted a study to compare measles-mumps-rubella
(MMR) vaccine history among 1,294 children with pervasive development
disorder (e.g., autism and Asperger's syndrome) and 4,469 children without such
disorders. (They found no association.) This is an example of which type(s) of
study? - ANSWER Case-control
Prospective cohort studies make use of historical data. - ANSWER False
, A cohort study must have at least how many points of measurement? -
ANSWER Two
Cohort studies are good for studying rare exposures but are not as efficient as
case-control studies for studying rare outcomes. - ANSWER True
Lung Cancer
No Lung Cancer
Smokers
90
40
Nonsmokers
10
60
Total
100
100
A study is conducted looking at a group of smokers and a group of nonsmokers to
compare their rates of developing lung cancer. The 2 x 2 table shows the
distribution of the disease for these groups. Using the data given above, calculate
the numeric value of this measure of association. The numeric value is... -
ANSWER 13.5
A cohort study of coffee drinking and anxiety was conducted at a university
campus. There were a total of 30,000 freshmen who participated. 10,000 were