Epidemiology Final Exam| 137 questions| with complete solutions

How should you report a calculated period prevalence = 0.0074 for multiple sclerosis? The data were collected over 3 years. Report the 3-year period prevalence. correct answer: The prevalence of multiple sclerosis over 3 years was 0.74%. Epidemiology is the study of the [1________________] and [2_________________] of disease, health, disability, and injuries in [3________________]. correct answer: 1. distribution 2. determinants 3. populations Temperatures below 20°C (68°F) effectively inhibit the growth cycle of Plasmodium falciparum which causes severe malaria, thus preventing its transmission. This characteristic is an example of: correct answer: environmental aspect True or False? In order to determine the item(s) which are responsible for a food borne outbreak, look for the items with the smallest attack rate differences correct answer: false The spreading of a disease beyond what is normal that affects multiple countries and a large number of people is called what? correct answer: pandemic HyperRAB® is rabies immune globulin (human) which is given immediately following suspected exposure to a rabid animal. This is an example of ________ _______ immunity correct answer: passive artificial Colorectal cancer and lung cancer death rates are examples of: correct answer: cause specific death rates A recent study found that Swaziland has the highest prevalence rate of persons living with HIV in the world at 27.4%. This rate has held steady over many years. For this country, HIV is considered to be correct answer: endemic What is one factor that would keep prevalence the same even with increased incidence? correct answer: high case fatality The risk of acquiring a given disease during a time period is best determined by correct answer: The incidence rate (cumulative incidence) for that disease during that time period. Using health-related data that precede diagnosis and signal a sufficient probability of a case or an outbreak to warrant further public health response is called correct answer: syndromic surveillance Which of the following reasons might account for place variation in disease? correct answer: -Concentration of racial/ethnic groups in particular areas -Genetic and environmental interactions -Influence of climate