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Social & Preventive Medicine Practice MCQs

Browse 12,254 high-yield clinical questions in Social & Preventive Medicine. Includes detailed explanations, options, and topic tags.

#454 General

The incidence rates of Clostridium difficile are measured in both hospitals and nursing homes throughout a particular county. Those with low rates of infection were marked as having an effective nosocomial infection prevention strategy, while those with high rates were marked as having an ineffective strategy If the Department of Health Services wishes to determine whether hospitals or nursing homes have a more effective nosocomial infection prevention strategy, which of the following would be most appropriate?

#471 General

A pharmaceutical company develops a new antihypertensive drug. Samples of 24 hypertensive patients, randomly selected from a large population of hypertensive people, are randomly divided into 2 groups of 12. One group is given the new drug over a period of 1 month; the other group is given a placebo according to the same schedule. Neither the patients nor the treating physicians are aware of which patients are in which group. At the end of the month, measurements are made of the patient’s blood pressures. This study

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