COMLEX Level 2 biostats + ethics|119 Final Exam Study Guide Questions Correctly Answered| A+ Guaranteed|
Bias introduced into a study when a clinician is aware of the patient's treatment type. - ️️Observational bias Bias introduced when screening detects a diseae earlier and thus lengthens the time from diagnosis to death. - ️️Lead-time bias If you want to know if geographical location affects infant mortality rate but most variation in infant mortality is predicted by socioeconomic status, then socioeconomic status is a _____. - ️️Confounding variable/factor The proportion of people who have the disease and test positive is known as the ___. - ️️sensitivity Sensitive tests have few false negatives and are used to rule ___ a disease. - ️️Out (i.e. PPD test) Chronic diseases such as SLE. Higher prevalence or incidence? - ️️Higher prevalence Epidemics such as influenza. Higher prevalence or incidence? - ️️Higher incidence Incidence or prevalence: Cross-sectional study. - ️️Prevalence Incidence or prevalence: Cohort study. - ️️Incidence and prevalence Incidence or prevalence: Case-control study. - ️️Neither.
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