Principles of Epidemiology Quiz Module 2, Exams of Epidemiology

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SNHU IHP330 Principles of

Epidemiology Quiz Module 2

Southern New Hampshire University

A risk factor is a behavior, environmental exposure, or inherent human characteristic that is associated with an important health condition. Question options: False One risk factor is typically cause of a disease. Question options: True This type of transmission occurs when an agent is transferred or carried by some intermediate item, organism, means, or process to a susceptible host, resulting in disease. Question options: Airborne transmission Vehicle-borne transmission Indirect transmission True False Direct transmission

An object such as a piece of clothing, a door handle, or a utensil that can harbor an infectious agent, and is capable of being a means of transmission, is: Question options: Vector Carrier Use the following information to answer your quiz question. The Behavioral Risk Factor Surveillance System is an annual survey conducted by the Centers for Disease Control and Prevention. This data is available by state. According to BRFSS for a certain state, there were 3, respondents with arthritis and 5,259 without. Of those with arthritis, 1,175 reported fair/poor health and 1, reported their health as excellent/very good. Of those without arthritis, 771 reported their health as fair/poor, and 4,488 reported excellent/very good health. What is the prevalence of arthritis in this sample? Express as a percentage. Question options: (1947 / 3,122) x 100 = 62.4% (771 / 5,259) x 100 = 14.7% Reservoir Fomite [3122 / (3,122 + 5,259)] x 100 = 37.3%

[771 / (3,122 + 4,488)] x 100 = 10.1% Use the following information to answer your quiz question. The Behavioral Risk Factor Surveillance System is an annual survey conducted by the Centers for Disease Control and Prevention. This data is available by state. According to BRFSS for a certain state, there were 3, respondents with arthritis and 5,259 without. Of those with arthritis, 1,175 reported fair/poor health and 1, reported their health as excellent/very good. Of those without arthritis, 771 reported their health as fair/poor, and 4,488 reported excellent/very good health. What is the prevalence fair or poor health among those with arthritis? Question options: (1,175 / 5,259) x 100 = 22.3% (4,488 / 5,259) x 100 = 85.3% Use the following information to answer your quiz question. (771 / 1,947) x 100 = 39.6% (1,175 / 3,122) x 100 = 37.6%

The Behavioral Risk Factor Surveillance System is an annual survey conducted by the Centers for Disease Control and Prevention. This data is available by state. According to BRFSS for a certain state, there were 3, respondents with arthritis and 5,259 without. Of those with arthritis, 1,175 reported fair/poor health and 1, reported their health as excellent/very good. Of those without arthritis, 771 reported their health as fair/poor, and 4,488 reported excellent/very good health. What is the prevalence of fair/poor health among those without arthritis? Question options: (1,947 / 5,259) x 100 = 37.0% (771 / 3,122) x 100 = 24.7% (1,175 / 3,122) x 100 = 37.6% (771 / 5,259) x 100 = 14.6%

Use the following information to answer your quiz question. The Behavioral Risk Factor Surveillance System is an annual survey conducted by the Centers for Disease Control and Prevention. This data is available by state. According to BRFSS for a certain state, there were 3, respondents with arthritis and 5,259 without. Of those with arthritis, 1,175 reported fair/poor health and 1, reported their health as excellent/very good. Of those without arthritis, 771 reported their health as fair/poor, and 4,488 reported excellent/very good health. What does this information tell you about arthritis and health status? Question options: People with arthritis report fair/poor health at a higher percentage than those without arthritis. People without arthritis report excellent/very good health status at a higher rate than those with arthri If disease duration is long, prevalence is usually higher than incidence. Question options: False People with arthritis report fair/poor health at a percentage equal to those without arthritis. Both A and B True

If the coefficient of determination is r2 = 0.27, then 27% of the variation within the dependent variable is accounted for by the independent variable. Question options: True If disease duration is short, prevalence and incidence are approximately the same. Question options: True A spot map displays both the location and the number or rate of health-related states or events. Question options: False What is useful for measuring diseases that are difficult to pinpoint when an individual becomes a case, and for describing the magnitude of a public health problem? Question options: False False True

Malaria Incidence rate Secondary attack rate Mortality rate Point prevalence proportion Which of the following is infectious but not communicable? Question options: Influenza Cold HIV/AIDS What rate is defined as new cases occurring within a short period, divided by the total population at risk at the beginning of that period, and multiplied by 100? Question options: Person-time rate Incidence density rate Mortality rate Person-time rate

Which of the following is a chronic disease? Question options: Tetanus Salmonellosis What is the habitat (living or nonliving) in or on which an infectious agent lives, grows, and multiplies, and on which it depends for its survival in nature? Question options: Carrier Vector Influenza Heart Disease Vehicl e Reservoir

Researchers control for age (as an independent variable) in order to make comparisons between populations with different . Question options: attributable risks mortality rates What measure of dispersion is used to construct confidence intervals for the mean and evaluate research hypotheses? Question options: Interquartile range Variance What displays data in quartiles, and shows the median, minimum, and maximum of data? Question options: Bar charts age adjustment age distributions Range Standard deviation

Stem and leaf plot Histogram Box plot