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HLTH 503 Final Exam True or False? John Snow is credited with developing the smallpox vaccination. True or False? Socrates popularized the notion that the environment is associated with human disease. True or False? Most of the time, epidemiologic researchers confront a problem that has a clear etiologic basis. True or False? An important risk…
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A screening examination was performed on 250 persons for Factor X, which is found in disease Y. A definitive diagnosis for disease Y among the 250 persons had been obtained previously. The results are charted below: A new blood test has been developed to screen for disease Z. Researchers establish 50 units as a cut…
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The death rate per 100,000 for lung cancer is 7 among non-smokers and 71 among smokers. The death rate per 100,000 for coronary thrombosis is 422 among non- smokers and 599 among smokers. The prevalence of smoking in the population is 55%. The relative risk of dying for a smoker compared to a non-smoker is:…
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HLTH 503 Quiz 4: Experimental Studies As an epidemiologist you are going to investigate the effect of a drug suspected of causing malformations in newborn infants when the drug in question is taken by pregnant women during the course of their pregnancies. As your sample you will use the next 200 single births occurring in…
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HLTH 503 Quiz: Data Sources Morbidity surveys of the general population: True or False? A registry is a centralized database of information about a disease. Choose the correct answer. Clinical data sources include: Before utilizing data for an epidemiologic study, the researcher must first consider the: Which of the following data sources is most likely…
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HLTH 503 Quiz 2: Ratios, Proportions, and Rates True or False? The incidence rate of a disease is defined as the number of new cases of the disease over a time period divided by the total population (at risk) during the same time period times a multiplier (e.g. 100,000). True or False? Certain diseases can…
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HLTH 503 Quiz 1: Components of Epidemiology True or False? Molecular epidemiology applies the techniques of molecular biology to epidemiologic studies. True or False? The 1918 Influenza Pandemic is also known as “the Mother of All Pandemics.” True or False? The study of diseases linked to harmful physical energy, such as ionizing radiation, would be…