A study that uses information on current health status, personal characteristics, and potential risk factors or exposures all at once is called:
A) Cross-sectional
B) Ecological
C) Case-control
D) Cohort
Correct Answer:
Verified
Q19: The measure of the frequency of a
Q20: The patterns of health events of populations
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Q22: The type of epidemiologic study that is
Q23: Data that are collected through vital records,
Q25: An outbreak of a gastrointestinal illness from
Q26: Immunization for measles is an example of:
A)
Q27: Screening for hearing defects is an example
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Q29: The proportion of persons with a positive
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