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Which phrase completes the standard definition of epidemiology as the study of the distribution and determinants of health-related states or events in specified populations?
Aand the application of this study to control health problems
Band the treatment of individual patients who report illness
Cand the laboratory naming of every causative organism found
Dand the delivery of clinical services to hospitalised persons
Answer & Solution
Correct answer: A. and the application of this study to control health problems
1. Epidemiology studies how health events are distributed and what determines them, in populations rather than in one person.
2. The definition does not stop at study: it closes with applying what the study finds to the control of health problems.
3. Treating individual patients is clinical practice, and laboratory naming of organisms is microbiology, so neither closes the definition.
4. Delivering hospital services is health service provision, which epidemiology informs but does not define.
_Source: CDC Principles of Epidemiology in Public Health Practice, 3rd Edition, section Summary of Lesson 1_
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