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1 | | Considering that circulating blood is not normally released from the body,
describe how blood-borne microorganisms might exit? |
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2 | | Why is it important to include a placebo in a scientific study to assess
the effectiveness of a drug? |
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3 | | Explain why we have relatively accurate data on the number of cases of
measles in the United States but not on the number of cases of the common cold. |
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4 | | What political and social factors might lead to a decrease in childhood
immunizations? |
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5 | | The rate of nosocomial infections is often relatively high in emergency
room settings. Explain why this might be so. |
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