NSG 221 Community Health Final questions well answered

NSG 221 Community Health Final Analytic epidemiology - correct answer investigates the causes of disease by determine why a disease rate is lower in one population group than in another descriptive epidemiology - correct answer focuses on the amount and distribution of health and health problems in a population Web of causation - correct answer Epidemiologic model that strongly emphasizes the concept of multiple causation while de-emphasizing the role of agents in explaining illness. Surveillance - correct answer a mechanism for the ongoing collection of health information in a community Screening program - correct answer a secondary prevention activity that identifies risk factors and diseases in their earliest stages Host-Agent-Environment Model - correct answer All interact to cause disease or condition that harm the community; host is the human or animal who nourishes the disease-causing agent; environment is the external factors that contribute to the host's susceptibility or resistance. Rates - correct answer the frequency of occurrence of an event during a given time frame for a designated population Incidence rates - correct answer rates that describe the occurrence of new cases of disease or condition in a community over a period of time prevalence rate - correct answer Refers to the total number of individuals infected at any one time in a given population regardless of when the disease began Prevalence vs incidence rates - correct answer Prevalence = number of individuals experiencing a disease