PHC 4101 Quiz 2 @ UF (A+ Graded)

Epidemiology correct answers study of the distribution and determinants of health-related states or events in specified populations and the application of this study to the control of health problems 5 main rubrics of epidemiology research correct answers quantity location causes mechanisms prevention & control methods for defining a disease correct answers lab results symptoms figure out who is a "case" CDC Nationally Notifiable Disease Surveillance System (NNDSS) Probable cases vs. Confirmed cases Count correct answers # of individuals who meet the case definition Proportion correct answers number of individuals who meet the case definition (numerator) / numerator + the study population at risk who do not meet the case definition expressed as fraction or percentage Ratio correct answers fraction of one number divided by another *Numbers not related and not dependent on time rate correct answers individuals who meet the case definition / individuals in study population who do or do not meet the case definition, but potentially could Measures of disease frequency (2) correct answers Incidence & Prevalence Prevalence correct answers # of existing cases of disease occurring in a population during a specified period of time / total population (X 100) point prevalence correct answers proportion of the population with the disease at a defined point in time # of persons ill on that date / population on that date (X100) period prevalence correct answers proportion of the population with the disease at a ANY point during a specified time period # of persons ill at any point during that time period / population during that time period (X100)