A community health nurse is preparing an in-service for staff to define the conditions of causation in epidemiology studies. Which of the following descriptions should the nurse use to define a cessation of exposure to establish causation?
"When the exposure is decreased or eliminated, the risk of disease declines or is eliminated."
"The exposure must come before the disease develops.
"A relationship is biologically possible, and it makes sense."
"Increased exposure increases the risk of developing the disease."
The Correct Answer is A
Choice A: "When the Exposure is Decreased or Eliminated, the Risk of Disease Declines or is Eliminated."
This statement accurately describes the concept of cessation of exposure in establishing causation. According to the Bradford Hill criteria, if a factor is truly causal, reducing or eliminating exposure to that factor should lead to a decrease in the incidence of the disease. This principle helps to confirm the causal relationship between the exposure and the disease.
Choice B: "The Exposure Must Come Before the Disease Develops."
This statement refers to the temporal relationship criterion in the Bradford Hill criteria, which states that for an exposure to be considered causal, it must precede the onset of the disease. While this is an important aspect of establishing causation, it does not specifically address the concept of cessation of exposure.
Choice C: "A Relationship is Biologically Possible, and it Makes Sense."
This statement pertains to the biological plausibility criterion, which suggests that the observed association between an exposure and a disease should be consistent with existing biological and medical knowledge. While biological plausibility is crucial for establishing causation, it does not directly relate to the cessation of exposure.
Choice D: "Increased Exposure Increases the Risk of Developing the Disease."
This statement describes the dose-response relationship, another criterion in the Bradford Hill framework. It indicates that a greater level of exposure to a risk factor should correspond to a higher risk of developing the disease. Although this is an important aspect of causation, it does not specifically address the cessation of exposure.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A: The Workplace Procedures and Protocols Manual
Reviewing the workplace procedures and protocols manual can provide valuable context about the standard operating procedures and safety measures in place at the factory. However, this information alone does not directly address the specifics of the employee's injury claim. It is more useful for understanding the general safety environment rather than investigating a specific incident.
Choice B: The Occupational Safety and Health Act
The Occupational Safety and Health Act (OSHA) provides guidelines and regulations for workplace safety. While it is important for ensuring compliance with safety standards, it does not contain specific information about individual employee injury claims. The nurse should be familiar with OSHA regulations but needs more detailed information about the specific incident to conduct a thorough investigation.
Choice C: The Client's Medical Record or Chart
This is the correct choice. The client's medical record or chart contains detailed information about the employee's health status, medical history, and the specifics of the injury. Reviewing this information is crucial for understanding the nature and extent of the injury, any pre-existing conditions, and the treatment provided. This data is essential for accurately assessing the validity of the injury claim and determining any potential workplace-related factors.
Choice D: The Client's Attendance Record at Health and Safety Seminars
While the client's attendance record at health and safety seminars can indicate their level of training and awareness of safety protocols, it does not provide direct information about the injury itself. This record can be useful for understanding the employee's knowledge of safety practices but is not sufficient for investigating the specifics of the injury claim.
Correct Answer is C
Explanation
Choice A: "For Best Results, Collaboration in the Community Should Be Limited to a Smaller Number of Groups Sharing Common Backgrounds and Interests."
This statement is incorrect. Effective collaboration in community health involves bringing together diverse groups with different backgrounds and interests. This diversity enriches the collaborative process by incorporating a wide range of perspectives, experiences, and expertise, which can lead to more comprehensive and effective solutions to community health issues.
Choice B: "I Will Act Only in a Subservient Role, Taking Direction from Community Leaders in Collaborative Efforts."
This statement is also incorrect. While it is important to respect and work with community leaders, effective collaboration requires active participation and contribution from all team members, including the public health nurse. Collaboration is a partnership where all members share responsibility and contribute their knowledge and skills to achieve common goals.
Choice C: "Collaboration Allows Key Stakeholders to Share Differing Viewpoints."
This is the correct statement. Collaboration in community health is about bringing together key stakeholders to share their differing viewpoints and expertise. This inclusive approach ensures that all relevant perspectives are considered, leading to more holistic and effective strategies for addressing community health issues.
Choice D: "I Will Encourage Subpopulations to Develop Unique Goals to Meet Their Unique Needs."
While it is important to recognize and address the unique needs of subpopulations, this statement does not fully capture the essence of collaboration. Effective collaboration involves integrating the goals and needs of various subpopulations into a cohesive strategy that benefits the entire community. Encouraging subpopulations to develop unique goals is part of the process, but it should be done within the context of a collaborative effort.
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