Cph Exam Questions & Detailed Solutions

The introduction of sewage into a stream is most likely to cause a measurable change in which of the following ways? {Ans: } increase in biochemical oxygen demandWhich of the following is a priority air pollutant regulated by the National Ambient Air Quality Standards (NAAQS)? {Ans: } ozoneA 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? {Ans: } correlatedWhen 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? {Ans: } Invest in data collection and community-based research to build a more thorough understanding of the issueWhich of the following strategies is placed last in the hierarchy of controls for protecting the health of employees from workplace exposures? {Ans: } 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? {Ans: } Health Insurance Portability and Accountability