CPH Exam 304 QUESTIONS WITH COMPLETE SOLUTIONS

The introduction of sewage into a stream is most likely to cause a measurable change in which of the following ways? increase in biochemical oxygen demand Which of the following is a priority air pollutant regulated by the National Ambient Air Quality Standards (NAAQS)? ozone A federal law is passed requiring labeling on food products. In subsequent years, the rate of obesity among adults decreases. Which of the following terms best describes the relationship between the law and the change in obesity rates? correlated When a public health issue emerges for which there is no "evidence base" to suggest a response strategy, which of the following actions on the part of a public health professional is most appropriate? Invest in data collection and community-based research to build a more thorough understanding of the issue Which of the following strategies is placed last in the hierarchy of controls for protecting the health of employees from workplace exposures? personal protective equipment (e.g., hearing protection) Which of the following United States federal laws prohibits a public health practitioner from sharing individually identifiable health information stored on public health department computer systems? Health Insurance Portability and Accountability Act Which of the following terms refers to the systematic method by which environmental exposure to a substance is quantified using information about the hazardous properties of the substance, human exposure to the substance, dose-response relationships, and risk characterization? risk assessment A group uses problem solving to reconcile underlying differences and create a win-win situation for the mutual benefit of all parties. This approach exemplifies which of the following styles of conflict management? collaborating Which of the following historical events raised awareness of the need for the protection of research subjects and resulted in the 1947 creation of the International Code of Ethics for research? Nazi human experimentation A study of national patterns of smoking prevalence finds that the prevalence of women smokers is higher in countries with higher national income per capita, but lower in countries experiencing rapid economic growth. Among men, the prevalence of smoking is lower in countries with higher national per capita income, but higher in countries experiencing rapid economic growth. This finding is an example of which of the following phenomena? interaction Which of the following is the most accurate source of denominator data for calculating disease rates in a defined population? United States Census A health behaviors survey conducted in a large urban area includes a question about whether a person is a smoker. The company conducting the survey decides to increase the size of its random sample of survey participants from 1,500 people to approximately 20,000 people. This change will most likely have which of the following effects? decreasing the variability of the estimate A multi-state regional coalition is in place to identify successful state-level strategies for enhancing health care and other community services for children with special health needs. The coalition membership currently includes health care professionals and representatives from state departments of public health, housing, education, Medicaid, and social services. There is one remaining open seat. Which of the following representatives is most appropriate to fill the open slot? a member of a parent advocacy group Which of the following is the formula for point prevalence of a disease? number of current cases / number of persons in the population Which of the following is the most important limitation in the u