Correct Answer: D

Rationale: Advocating for legislative changes is a policy-level intervention that can bring about significant improvements in community health. This involves influencing laws and regulations to create a healthier environment for the community as a whole, impacting a larger population than individual-level interventions. Implementing new treatment protocols, educating individuals about healthy behaviors, and establishing community health clinics are important interventions but are more focused on the individual or community level rather than policy-level changes.

Correct Answer: B

Rationale: A key objective of community health nursing is to improve the quality of life for individuals and families by promoting health and preventing disease. Community health nurses focus on preventive care, health promotion, and education to enhance the overall well-being of the community they serve.

Correct Answer: B

Rationale: A fundamental goal of public health is to address and eliminate health disparities among different populations, aiming to ensure that everyone has equal access to resources and opportunities for good health outcomes.

Correct Answer: D

Rationale: Tracheostomy is a surgical procedure where an incision is made in the windpipe to help with breathing. Acute respiratory failure, which can occur due to various reasons such as upper airway obstruction, is a common indication for tracheostomy. While drainage of pleural effusion, hemorrhage, and infections may require medical intervention, they are not direct indications for a tracheostomy like acute respiratory failure.

Correct Answer: A

Rationale: When a patient starts shivering uncontrollably after surgery, the priority nursing intervention is to apply warm blankets and continue oxygen as prescribed. Shivering can be a sign of hypothermia, and maintaining the patient's body temperature is crucial for their recovery. This intervention helps prevent further heat loss and supports the patient's comfort and safety. While monitoring temperature, paging the doctor, and adjusting the room temperature may be necessary, addressing the immediate need for warmth and oxygen is the priority in this situation.