HSM 331 FINAL EXAM QUESTIONS AND ANSWERS (ALREADY GRADED A)
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HSM 331
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HSM 331
HSM 331 FINAL EXAM QUESTIONS AND ANSWERS (ALREADY GRADED A)HSM 331 FINAL EXAM QUESTIONS AND ANSWERS (ALREADY GRADED A)HSM 331 FINAL EXAM QUESTIONS AND ANSWERS (ALREADY GRADED A)
A representative sample of residents were telephoned and asked how much they exercise each week and whether they current...
a representative sample of residents were telephon
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HSM 331 FINAL EXAM QUESTIONS AND
ANSWERS (ALREADY GRADED A)
A representative sample of residents were telephoned and asked how much they
exercise each week and whether they currently have or have ever been diagnosed with
heart disease. What kind of study was this? - ANSWER-Cross-sectional
Occurrence of cancer was identified between April 1991 and July 2002 for 50,000
troops who served in the first Gulf War in 1990-1991 and 50,000 troops who served
elsewhere during the same period. What kind of study was this? - ANSWER-Cohort
People diagnosed with new-onset Lyme disease were asked how often they walk
through woods, use insect repellant, wear shorts and short-sleeve shirts, and engage in
other behaviors. Twice as many patients without Lyme disease from the same
physician's practice were asked the same questions, and the responses in the two
groups were compared. What kind of study was this? - ANSWER-Case-control
A study's subjects were children enrolled in a health maintenance organization. At the
age of two months, each child was randomly given one of two types of a new vaccine
against rotavirus infection. Parents were called by a nurse two weeks later and asked
whether the children had experienced any of a list of side effects. What kind of study
was this? - ANSWER-experimental
Which type of bias may occur when participants have hidden motives for not answering
a question truthfully? - ANSWER-Prevarication
Which of the following is a technique to reduce recall bias (a form of information bias)? -
ANSWER-Using the same data collection forms
Using memory aids
Standardizing interviewer training sessions
Which of the following is the most important feature in an experimental study? -
ANSWER-Use of blinding techniques and randomization of study subjects to reduce
bias
Cross-sectional studies allow for generating a hypothesis, whereas case-control studies
allow for testing one's hypothesis. - ANSWER-true
Cross-sectional studies and case-control studies provide incidence information. -
ANSWER-false
Which measure of association allows for the study of rare diseases? - ANSWER-Case-
control study
, In a pandemic flu outbreak, which of the following measures would be helpful in
containing the spread of the disease? - ANSWER-vaccination
Isolation
Quarantine
Surveillance
Which of the following factors is a vertex of the epidemiologic triangle? - ANSWER-
Environment
Agent
host
The case fatality rate is the same thing as the attack rate for a disease. - ANSWER-
false
A person with an inapparent infection ____________. - ANSWER-can transmit the
infection to others
Which of the following refers to the capability of an agent to enter a host, survive, and
multiply? - ANSWER-Infectivity
Which of the following refers to the capability of an agent to produce a toxin or poison? -
ANSWER-Toxigenicity
Which of the following describes a contaminated object capable of carrying an infection
to a person? - ANSWER-Indirect transmission
Which of the following surveillance measures would epidemiologists use to monitor the
progression of newly emerging infectious diseases? - ANSWER-Reportable/notifiable
disease system
Laboratory surveillance
Over-the-counter surveillance
Hospital/emergency room surveillance
Which of the following is an example of public health intervention? - ANSWER-
Controlling or eliminating an agent at the source of transmission
Protecting portals of entry
Increasing the host's defenses
Direct transmission includes which of the following? - ANSWER-Droplet spread
A community health assessment is useful in identifying key problems and assets in a
community. - ANSWER-true
A community health assessment can help to answer which of the following questions? -
ANSWER-Why do health issues exist in the community?
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