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REHS Epidemiology And Communicable Disease Exam With Correct Questions And Answers 2024
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REHS Epidemiology And Communicable Disease Exam With Correct Questions And Answers 2024
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REHS Epidemiology And CommunicableDisease Exam With Correct Questions
And Answers 2024
A Cohert Study is characterized by: - CORRECT ANSWERS-Group of exposed
individuals who can easily be identified
Allows for comparison of risk by what was and was not eaten
ex: wedding
A Case-Control Study is characterized by: - CORRECT ANSWERS-Exposed group that
is very large or not easily identified
Compares ill with non-ill to determine the likelihood of having eaten a specific food
ID's possible causes of disease by seeing how two groups differ w/r/to some exposure
factor
When do we generally determine a disease outbreak to be over? - CORRECT
ANSWERS-2 incubation periods after last reported infection
Define primary prevention. Give some examples. - CORRECT ANSWERS-Prevent
illness or injury from occurring at all
ex: Vaccines, PPE, fluoride in water, vitamin fortified foods, smoking cessation,
educational campaigns against accidents
Define secondary prevention. Give an example. - CORRECT ANSWERS-Seeks to
minimize severity of illness or injury. This occurs during the pathogenesis phase.
ex: screening programs fro cancer and diabetes
Define Tertiary prevention. Give an example. - CORRECT ANSWERS-Seeks to
minimize disability through medical care and rehabilitation services
ex: physical therapy for stroke patients, halfway houses for alcohol abuse recovery,
fitness programs for heart attack patients
Vaccines are considered
A. Primary prevention
B. Secondary prevention
C. Tertiary prevention - CORRECT ANSWERS-A. Primary prevention because they are
trying to prevent disease all together
, What is the difference between Active Primary prevention and Passive Primary
prevention? - CORRECT ANSWERS-Active - necessitate behavior change on part of
subject
ex: vaccination and wearing protective devices
Passive - doesn't require behavior change
ex: fluoride in drinking water, vitamin fortified milk and bread
An outbreak is defined as ____________________ - CORRECT ANSWERS-incident
with 2 or more people sick from same illness from the same source
Define endemic. What are the two different types of endemics? Define those. -
CORRECT ANSWERS-Level of disease regularly found within a population or in a
certain area
1. Sporadic endemic - few cases/year
2. Hyperendemic - ex: Lyme disease
How is an epidemic usually defined? - CORRECT ANSWERS-2x endemic level
(generally)
The arithmetic mean is also known as the ____________ - CORRECT ANSWERS-50th
percentile or 2nd Quartile
The 25th percentile is equal to the _____ Quartile. The 75th percentile is equal to the
_____ Quartile.. - CORRECT ANSWERS-25th percentile = 1st Quartile
75th percentile - 3rd Quartile
The mean, median, and mode are all equal in what type of distribution? - CORRECT
ANSWERS-Normal distribution
In a log normal distribution, which of the following is the best measure of central
tendency?
A. Mean
B. Median
C. Mode - CORRECT ANSWERS-B. Median
How do you determine the median? - CORRECT ANSWERS-Median = (n+1)/2
Most epidemiological data is _________ - CORRECT ANSWERS-Log normal, ie
skewed distribution
Skewed distribution is also known as _________ - CORRECT ANSWERS-Log normal
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