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What type of study design should be used to investigate an exposure that is relatively uncommon...

What type of study design should be used to investigate an exposure that is relatively uncommon but a source of exposed individuals is available?

A. Time-series study B. Panel study C. Longitudinal cohort study D. Prospective cohort study

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Answer #1

Answer: D. Prospective cohort study.

( The prospective cohort study design should be used to investigate an exposure that is relatively uncommon but a source of exposed individuals is available. It provides examination of the multiple exposures as well as multiple outcomes. )

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