Question

select the correct answer.
which of the following is an example of public health?
a. giving cold medicine to a student with a cold in the school’s office
b. testing a city’s water supply to remove any lead and impurities
c. operating on a patient who had a ruptured appendix

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Explanation:

Public health focuses on population - level health. Option B (testing a city’s water supply to remove any life - risk impurities) targets the health of a city's population (water - related health for all), while A is individual student care and C is individual patient care (clinical, not public health).

Answer:

B. testing a city’s water supply to remove any life - risk impurities