Is the key difference is in the units on the x-axis? Creating graphs of the number of dog bites by week and neighborhood. In general, before you create a graph to display data, you should put the data into a table? A case report form devised for an outbreak investigation usually includes which of the following types of information? Once a case definition for an outbreak investigation has been established, it should not be changed? In clinical medicine, while screening procedures, diagnostic tests and evaluation of therapeutic interventions may be performed as part of research protocols, often they are not. C. Etiology . NO. You may refer to the lesson text whenever you are unsure of the answer. Provide timely information on disease patterns and trends to those who need to know it. The International Health Regulations (2005) require countries to maintain an integrated, national system for public health surveillance and response, and set out the core capabilities that countries are required to achieve. B, C, D. Public health surveillance includes collection (B), analysis (C), and dissemination (D) of public health information to help guide public health decision making and action, but it does not include individual clinical diagnosis, nor does it include the actual public health actions that are developed based on the information. Epidemiology . Comparing numbers and rates of illness in a community, rates are preferred for: When analyzing surveillance data by age, which of the following age groups is preferred? Which of the following describes the rationale for this action? Click here to access selected Diseases by types of surveillance; An ongoing, systematic collection, analysis and interpretation of health-related data essential to the planning, implementation, and evaluation of public health practice. Which of the following shapes of a population pyramid is most consistent with a young population? (Circle the TWO that are the same.). In epidemiology, the measure of central location generally preferred for summarizing skewed data such as incubation periods is the: The measure of central location generally preferred for additional statistical analysis is the: Which of the following are considered measures of spread? A spot map must reflect numbers; an area map must reflect rates. The physician should notify the . A case definition during an outbreak investigation should specify: Ideally, a case definition is 100% accurate in identifying who does and does not have the disease in question, but in reality few case definitions achieve this ideal? YES. All of the following are activities that fall under completing the clinical picture of disease except: ... Public health surveillance involves all of the following except: All of the above (collection, analysis, interpretation, dissemination) Referring to rothman's pies, the different component causes may include which of the following? A frequency polygon differs from a line graph because a frequency polygon: -Displays a frequency distribution; a line graph plots data points. A table in a report or manuscript should include: Table with labels and title but without the data. Common uses and applications of public health surveillance include which of the following? Among the uses of surveillance are detecting individual cases of diseases of public health importance (e.g., malaria), supporting planning (e.g., priority setting), monitoring trends and patterns of health-related conditions (e.g., elevated blood lead levels), and supporting evaluation of prevention and control measures (e.g., a vaccination requirement). Why should an investigator who has no clinical background nonetheless talk to a patient or two as an early step in the outbreak investigation? Testing for norovirus is not readily available in any nearby island, and the test takes several days even where available. This guidance document applies to activities that are conducted or supported by HHS. The primary reason for preparing and distributing periodic surveillance summaries is which of the following? The one best action to take is to ... ensure that all persons with a responsibility to report understand the requirements and reasons for reporting and how reports will be used. A “public health authority” is an agency or authority of the United States government, a State, a territory, a political subdivision of a State or territory, or Indian tribe that is responsible for public health matters as part of its official mandate, as well as a person or entity acting under a grant of authority from, or under a contract with, a public health agency. -Data summarization (descriptive epidemiology). NO. Defining public health policy, evaluating interventions, and planning national programs are all purposes of surveillance, not features. The term public health surveillance includes data collection, analysis, interpretation, and dissemination to help guide health officials and programs in directing and conducting disease control and prevention activities. Informed consent is not the norm in public health surveillance. Possible explanations for a case that occurs substantially later than the other cases in an outbreak include: A spot map is particularly useful for displaying: -Geographic location of exposure of each case-patient. The key feature of an analytic (epidemiologic) study is: Disease control measures can be directed at the. A study in which children are randomly assigned to receive either a newly formulated vaccine or the currently available vaccine, and are followed to monitor for side effects and effectiveness of each vaccine, is an example of which type of study? The epidemiologic triad of disease causation refers to: A reservoir of an infectious agent can be: Indirect transmission includes which of the following? Standardized reports Human case reports should be standardized so that whenever possible the same information is recorded for each case. Because the notifiable disease surveillance is supposed to identify individual cases of disease of public health importance, underreporting of even a single case of, for example, hepatitis A in a food handler, can result in an outbreak that should have been prevented. A state health department decides to strengthen its notifiable disease reporting. Environmental monitoring data can provide information on risk and vital statistics is mortality or birth outcomes. By reviewing the data in the table, you can anticipate the range of values that must be covered by the axes of a graph. NO. . Public health surveillance provides and interprets data to facilitate the prevention and control of disease. NO. The primary use of the standard error of the mean is in calculating the: In the definition of epidemiology, "distribution" refers to: In the definition of epidemiology, "determinants" generally includes: John Snow's investigation of cholera is considered a model for epidemiologic field investigations because it included a: Public health surveillance includes which of the following activities: -Soliciting case reports of persons with symptoms compatible with SARS from local hospitals. Which of the following may be useful in generating hypotheses in an outbreak setting? Vital statistics are important sources of data on which of the following? The primary purpose of any visual is to communicate information clearly. A method to monitor occurrences of public health problems. Public health surveillance is the cornerstone of public health practice. Education . Hospitals, nursing homes, the military, and other institutions have long conducted surveillance of their populations. B, C, D. Soliciting case reports of persons with symptoms compatible with SARs from local hospitals. Public health surveillance is the epidemiological foundation for modern public health. For example, for case finding purposes, a case definition might include categories such as confirmed, probable, and possible, to try to include as many cases as possible. -data on birth, death, marriage, and divorce. Outbreak with KNOWN causative agent, source, and mode of transmission. . One week, a state health department received substantially more case reports of a disease in one county than had been reported during the previous 2 weeks. It is the context in which these activities are performed, not the fact they are done, that allows for this determination. One week, a state health department received substantially more case reports of a disease in one county than had been reported during the previous 2 weeks. Surveillance data are crucially important to inform policy changes, guide new program interventions, sharpen public communications, and help agencies assess research investments. The list of diseases that a physician must report to the local health department is typically compiled by the . -Generally preferred for chronic diseases without clear date of onset, The proportionate reduction in disease among vaccinees. Has half the observations below it & half above it. Evaluating and improving surveillance should address which of the following? Routine public health surveillance systems are required in order to (Morgan and Pinner, 2009): Quantify the burden of disease by specific population (e.g. The primary reason for preparing and distributing periodic surveillance summaries is which of the following? Lesson 5: Public Health Surveillance Self-Assessment Quiz Now that you have read Lesson 5 and have completed the exercises, you should be ready to take the self-assessment quiz. ongoing, systematic collection, analysis, and interpretation of health-related data essential to the planning, implementation, and evaluation of public health practice, closely integrated with the timely dissemination of these data to those responsible for prevention and control. For example, health-care providers might treat patients on the basis of clinical features without laboratory confirmation, whereas a surveillance case definition might require confirmation, or vice versa. Public health surveillance contributes data and information to assess and characterize the burden and distribution of adverse health events, prioritize public health actions, monitor the impact of control measures, and identify emerging health conditions that may have a significant impact upon population health. To achieve this purpose, surveillance for a disease or … A case definition for surveillance should be clear, understandable, acceptable, and implementable by those who are required to apply it. Initiating surveillance for a public health problem or adding a disease to the notifiable disease list is justified for which of the following reasons? Common uses and applications of public health surveillance include which of the following? . This will result in Public health surveillance can be described primarily as which of the following? NO. a.) _____ is the cause or set of causes of a disease and/ or condition . 3-D columns, bars, and pies may have pizzazz, but they rarely help communicate information, and sometimes they mislead. Public health is a science that is aimed at protecting and improving the health of individuals, communities and greater populations, which may be as small as a neighborhood or as big as a region of the world. Protecting and promoting the public's health is our primary mission, even if it interferes with our ability to conduct research. To avoid skipping a critical step, investigators should conduct the steps of an outbreak investigation in the precise order? For surveillance to be effective, it needs to have the fullest picture possible of population health. 1. When does disease control and prevention efforts take priority over investigation efforts? 5. A 100% component bar chart shows the same data as a stacked bar chart. Compared with a scatter diagram, a dot plot: Differ because a scatter diagram plots two continuous variables; a dot plot plots ONE continuous and ONE categorical variable. . NO. D. Viruses . Before calculating a standard deviation, one should ensure that: -The data are somewhat normally distributed. When these data undergo timely and systematic analysis, interpretation, and dissemination with the intent of influencing public health decision-making and action, they become surveillance data. A nurse is conducting disease surveillance. When creating a bar chart, the decision to use vertical or horizontal bars is usually based on: Which looks better, such as whether the label fits below the bar. Surveillance is undertaken to inform disease prevention and control measures A propagated epidemic is usually the result of what type of exposure? Data collected through which of the following methods is commonly used for surveillance? The case definition used for surveillance of a health problem should be the same as the case definition used for clinical (treatment) purposes. Learn vocabulary, terms, and more with flashcards, games, and other study tools. So rather than using different colors of the same intensity, INCREASING shades of the SAME color or family of colors should be used. No increase was reported in neighboring counties. Underreporting is not a problem for detecting outbreaks of notifiable diseases because the proportion of cases reported tends to remain relatively stable over time? NO. Public health surveillance is the epidemiological foundation for modern public health. Common methods of identifying additional cases (expanding surveillance) as part of an outbreak investigation include: -Advising the public through newspapers, TV, radio, and the health department's website to contact the local health department. A key feature of a cross-sectional study is that: -It usually provides information on prevalence rather than incidence. Public health surveillance. Vital statistics are usually thought of as an archive of births, deaths, marriages, and divorces. Syndromic surveillance is the analysis of medical data to detect or anticipate disease outbreaks.According to a CDC definition, "the term 'syndromic surveillance' applies to surveillance using health-related data that precede diagnosis and signal a sufficient probability of a case or an outbreak to warrant further public health response. To eradicate a disease before it starts b. Recommended methods for creating categories for continuous variables include: -Basing the categories on the mean and standard deviation. Data collected through which of the following methods is commonly used for surveillance? Recommendation for public health action Public health surveillance includes which of the following activities: Diagnosing whether a case of encephalitis is actually due to West Nile virus infection Soliciting case reports of persons with symptoms compatible with SARs from local hospitals Underreporting is a SERIOUS problem for surveillance that relies on notifications. Public health surveillance is one approach used by public health professionals to gather evidence to inform public health policies and actions. . Given the area under a normal curve, which two of the following ranges are the same? -From the 2.5th percentile to the 97.5th percentile. Fulfilling our mission to protect the public’s health, CDC invests heavily in supporting surveillance expertise inside and outside the … a. Among the uses of surveillance are detecting individual cases of diseases of public health importance (e.g., malaria), supporting planning (e.g., priority setting), monitoring trends and patterns of health-related conditions (e.g., elevated blood lead levels), and supporting evaluation of prevention and control measures (e.g., a vaccination requirement). There is no standard way of organizing the ethics of clinicalpractice, public health and biomedical science. A cohort study differs from a case-control study in that: Subjects are enrolled or categorized on the basis of their exposure status in a cohort study but not in a case-control study. The shading on an area map may represent numbers, proportions, rates, or other measures. Is this true? Which of the following are frequency measures? -Describing the demographic characteristics of persons with acute aflatoxin poisoning in District A. Surveillance data resulting from the continuous monitoring of the occurrence of a disease or condition underlie what public health actions are taken and reflect whether these actions are effective. are still significant gaps and deficiencies in health monitoring and surveillance for emergency response workers (including police, fire, and emergency medical personnel, as well as public health personnel and cleanup/repair/ restoration/recovery workers). When does investigation efforts take priority over disease control and prevention efforts? Which of the following activities will most likely be implemented? Assuming you are the epidemiologist called on to board the ship and investigate this possible outbreak, your case definition should include, at a minimum: Clinical criteria, plus specification of time, place, and person. activities, surveillance personnel should brief local health workers on plague diagnosis, treatment, prevention and control and explain the activities of the plague surveillance programme (1). Later on, in the analytic phase, the case definition may be restricted to the confirmed cases. Is this true? Regardless of the size of the populations they serve, public health professionals, work to prevent health problems from occurring or reoccurring, and mitigate the effects when problems do occur. It is intended to help entities determine whether a planned activity constitutes a -Detecting individual persons with malaria so that they can receive prompt & appropriate treatment. -Outbreak with known causative agent, but UNKNOWN source & mode of transmission. ensure that all persons with a responsibility to report understand the requirements and reasons for reporting and how reports will be used. Notifiable disease surveillance targets occurrence or death from any of the diseases on the list. The measure of central location most commonly used with the interquartile range is the: The measure of central location most commonly used with the standard deviation is the: The algebraic relationship between the variance and standard deviation is that: The standard deviation is the square root of the variance. Epidemiology is the study of _____ and _____ of health related status or events in specified populations . In practice, the order can be different. This course covers basic epidemiology principles, concepts, and procedures useful in the surveillance and investigation of health-related states or events. Module 10: Public Health Surveillance System 85 • Obtain complete and accurate reports of all reportable diseases and events from all public and private health facilities required to notify cases. Analyze data by time, place, and person. -To assess public health status, to define public health priorities, o evaluate programs, and to stimulate research. The most important public health reason for investigating an outbreak is disease CONTROL & PREVENTION. Public health surveillance includes which of the following activities: A. Which of the following requires more than one variable? B. -If the problem is new and systematically collected data are needed to characterize the disease and its impact on the public. -Is likely to include only (or mostly) true cases. These data do not become surveillance data until they are analyzed, interpreted, and disseminated with the intent of influencing public health decision-making or action? Factors that influence a health department's decision whether or not to conduct a field investigation in response to one or more cases of disease include: If a particular outbreak presents an unusual opportunity to learn more about the disease and its epidemiology by conducting a study, but early disease control measures would interfere with the study, one should conduct the study quickly, then implement control measures immediately afterwards? Descriptive epidemiology is essential for "characterizing the outbreak" by time, place, and person, but has little bearing on the analytic epidemiology? On an arithmetic-scale line graph, the x-axis and y-axis each should: -Have labels for the tick marks and each axis. Syndromic surveillance based on symptoms, signs, or other characteristics of a disease, rather than specific clinical or laboratory diagnostic criteria: Can watch for disease before a patient seeks care from a health-care provider. Provide timely information on disease patterns & trends to those who need to know it. When possible, control measures are initiated at the same time the field investigation begins, or even earlier. Criteria for prioritizing health problems for surveillance include which of the following? NO. Case definitions can change during the course of an outbreak. Shading should be consistent with frequency. They accomplish this task through educational programs, the creation and implementation of policies, It is designed for federal, state, and local government health professionals and private sector health professionals who are responsible for disease surveillance or investigation. The measure of spread most affected by one extreme value is the: The interquartile range covers what proportion of a distribution? The one best action to take is to . Monitoring, surveillance and investigation of health threats are vital capabilities for an effective health system. Epidemiology, as defined in this lesson, would include which of the following activities? NO. To display different rates on an area map using different colors, select different colors that have the same intensity, so as NOT to bias the audience? No increase was reported in neighboring counties. 2. The hallmark feature of an analytic epidemiologic study is: A number of passengers on a cruise ship from Puerto Rico to the Panama Canal have recently developed a gastrointestinal illness compatible with norovirus (formerly called Norwalk-like virus). A nurse is applying the Minnesota Model of Public Health Interventions: Applications for Public Health Nursing Practice steps of surveillance.Which of the following describes the initial action that the nurse would take? 3. A case definition is a decision making tool. YES. NO. Criteria for prioritizing health problems for surveillance include which of the following? . Tables and graphs are important tools for which tasks of an epidemiologist? • Periodically review the official list of priority surveillance diseases and events about once every five years and revise as necessary. Possible explanations for this increase include which of the following? The spots on a spot map usually reflect one or more cases, i.e., numbers. The difference between a stacked bar chart and a 100% component bar chart is that the bars of a 100% component bar chart are all pulled to the top of the y-axis (100%). These distinctivefields are often presented as focal areas that fall under the broader,umbrella term of bioethics, but sometimes bioethics is presented asthe equivalent of medical ethics or in contrast to . Is statistically closest to all of the values in the distribution. This quiz is designed to help you assess how well you have learned the content of this lesson. Disease control measures are generally directed at which of the following? Start studying Chapter 24: Public Health Surveillance and Outbreak Investigation. It provides criteria for classifying illness as a "case" or "not a case." In an oral presentation, three-dimensional pie charts and three-dimensional columns in bar charts are desirable because they add visual interest to a slide? A physician working in an emergency room in Town A, USA, has just examined a tourist from Southeast Asia with watery diarrhea. -Soliciting case reports of persons with symptoms compatible with SARS from local hospitals -Creating graphs of the number of dog bites by week and neighborhood -Writing a report on trends in seat … Plotted curve usually begins in the upper left corner: Plotted curve usually begins in the lower left corner: A scatter diagram is the graph of choice for plotting: -Anabolic steroid levels measured in both blood and urine among a group of athletes. Public Health Surveillance Activity: There is no formal regulatory definition for public health surveillance activities. Current public health surveillance targets which of the following? A. Diagnosing whether a case of encephalitis is actually due to West Nile virus infection B. In frequency distributions, observations with missing values should be excluded? Routine analysis of notifiable disease surveillance data at the state health department might include looking at the number of cases of a disease reported this week . Descriptive epidemiology is essential NOT only for characterizing the pattern and distribution of the outbreak, but also for generating TESTABLE hypotheses about the source, mode of transmission, and risk factors for illness. Health-care providers might be important sources of surveillance data used by public health officials, and they should receive feedback to close the surveillance loop as a courtesy; however, the results almost NEVER have any relevance to patient care provided by those health-care providers? Possible explanations for this increase include which of the following? 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