STUDY SHEET 2026 QUESTIONS WITH
DETAILED SOLUTIONS
◉Case Control Studies. Answer: Retrospective study, looks at odds,
subject to recall bias, OR assess the results
◉Prevalence Survey (cross-sectional). Answer: looks at prevalence
of disease and risk factors at a moment in time
◉Relative Risk. Answer: Only calculated for prospective studies
RR other 1.0 is significant
◉Odds Ratio. Answer: Only calculated for retrospective studies
◉Berkson Bias. Answer: Hospitalized patients are used for study
rather than general populations.
Solved by random selection