Correct Answer: B

Rationale: Critical theory differs from other nursing theories like the Health Belief Model or Orem's self-care deficit theory by focusing on oppression and enabling group action. Unlike these nursing theories that may concentrate more on individual beliefs, critical theory aims to address broader societal issues and promote collective action for social change.

Correct Answer: B

Rationale: Public health nursing surveillance involves the systematic collection, analysis, and interpretation of health-related data for the purpose of preventing and controlling diseases. By gathering data, public health nurses can identify trends, risks, and patterns to implement interventions aimed at preventing illnesses in communities. This process is essential for early detection, timely response, and effective prevention strategies.

Correct Answer: D

Rationale: Epidemiology is the study of the distribution and determinants of health-related states within a population. In this scenario, the nurse is investigating the distribution pattern of breast cancer and its associated risk factors, which aligns with the principles of epidemiology.

Correct Answer: A

Rationale: The most easily postponed task among the options provided is reviewing the most recent hospital patient data collected by the local college of nursing. This task focuses on data collection and analysis, which can be delayed without immediate impact on decision-making related to new clinic options, community-wide screening program evaluation, or legislative testimony on health and safety bills.

Correct Answer: B

Rationale: Advocating for policy changes is an effective way for health professionals to address social determinants of health. By influencing policies related to housing, education, employment, and healthcare access, health professionals can create systemic changes that benefit entire communities and address the root causes of health disparities.