NBME CBSE: PUBLIC HEALTH SCIENCES PT. 1 [EXAM QUESTIONS AND ANSWERS GRADED A] REAL EXAM

NBME CBSE: PUBLIC HEALTH SCIENCES PT. 1 [EXAM QUESTIONS AND ANSWERS GRADED A] REAL EXAM What is a case series? - CORRECT ANSWER Description of clinical findings/symptoms for several patients with the same diagnosis, treatment, or outcome. What is a cross-sectional study? - CORRECT ANSWER Assesses the frequency of disease and risk-related factors in the present. What is a case-control study? - CORRECT ANSWER Retrospectively compares a group of people with a disease to a group without the disease to determine if odds of prior exposure/risk factor differ. What is a cohort study? - CORRECT ANSWER Compares a group of people with a given exposure/risk factor to a group without exposure to determine if the exposure/risk factor is associated with later development of disease. What is a twin concordance study? - CORRECT ANSWER Compares the frequency with which both monozygotic twins vs both dizygotic twins develop the same disease to measure heritability and influence of environmental factors. What is an adoption study? - CORRECT ANSWER Compares behavioral traits/genetics in siblings raised by biological vs adoptive parents to measure heritability and influence of environmental factors. What is an ecological study? - CORRECT ANSWER Compares the frequency of disease and risk-related factors across populations to measure population data (not applicable to individuals). What is a clinic therapeutic trial? - CORRECT ANSWER An experimental study involving humans that compares the benefits of two or more interventions. What are the criteria for a high-quality clinical trial? - CORRECT ANSWER Randomized, controlled, and double-blinded What is a crossover clinical trial? - CORRECT ANSWER Compares the effect of multiple treatment