NR503 Final Exam Questions and 100% Correct Answers | Grade A+

a global epidemic of disease that spreads to more than one continent Ans: Pandemic the occurrence of disease in excess of what would normally be expected in a community, location, or time of year. May last a matter of days, weeks, or years Ans: Outbreak The separation and restriction of people who were exposed to contagious disease to see whether they become ill Ans: Quarantine seperation of sick people from those who are not ill Ans: Isolation the use of epidemiology to assess short- and long- term health effects of disasters. Predict consequences of of future disasters. Brings together various topic areas of epidemiology including acute, communicable disease, environmental health, occupational health, chronic disease, injury, mental health, and behavioral health Ans: Disaster epidemiology Antigenic Drift & Antigentic Shift Ans: What causes new strains/outbreaks of disease SMALL CHANGES (mutations) in the genes of a virus that can lead to surface protein changes -happen continually over time as virus replicates -Why people can get a virus (flu) more than once and why vaccines have to be updated Ans: Antigenic Drift Abrupt, MAJOR CHANGES in a virus, resulting in new surface proteins that may affect humans -happens less than the drift -example: virus from an animal population now gains the ability to infect humans Ans: Antigenic Shift undergo both antigenic drift and shift the only flu viruses known to cause PANDEMICS Ans: Type A viruses change only by the more gradual process of antigenic shift Ans: Type B viruses CDC will request the public and healthcare provides to decrease the spread of disease through isolation, closing schools, and distance -GOALS: maximize safety, meet basics of care, plan & education in place for infection control Ans: Preparation and Actions for fu