Epidemiology Exam 1 Questions And Answers

Define Epidemiology - Answer- Epidemiology is the study of patterns of health and disease in populations and the factors that influence these patterns. Epidemiology involves describing the patterns of disease in relation to what three factors? - Answer- individuals, place, and time What are the six uses of epidemiology? - Answer- Investigation and control of a disease of unknown etiology Identification of the etiology & risk factors of a disease Determination of the origin of a disease of known etiology To study the natural history and prognosis of a disease Planning, monitoring & assessment of d'se control programs Assessment of the magnitude and impact of a disease What are the four types of epidemiology? - Answer- Descriptive, Analytical, Experimental, and Theoretical What questions does descriptive epidemiology answer? - Answer- Who, what, where, and when. What questions does analytical epidemiology answer? - Answer- Why and how. What is the purpose of experimental epidemiology? - Answer- Tests hypotheses formulated by descriptive and analytical epidemiology about disease patterns. What are the seven sub-disciplines of epidemiology? - Answer- Clinical, computational, genetic, field, participatory, molecular, and spatial/geographical What is a determinant of health/disease? - Answer- Any factor that when changed, produces a change in disease frequency or disease characteristics. What are the three types of disease determinants? Give an example of each. - Answer- Physical-natural disasters Biological-gender, sex, genetic predisposition Behavioral-hand washing What differentiates primary and secondary determinants? - Answer- Primary determinants have major effects on the individual or population (ie. the disease causing agent). Secondary determinants predispose or enable the disease to spread(ie. poor hygiene). What differentiates intrinsic and extrinsic determinants? - Answer- Intrinsic determinants are internal to th