Correct Answer: B

Rationale: Administering vaccines is a primary prevention strategy because it aims to prevent diseases before they occur by providing immunity against specific pathogens. Educating children on handwashing is important for preventing infections but falls under health promotion rather than primary prevention. Screening for early signs of disease and providing treatment for acute illnesses are considered secondary and tertiary prevention strategies, respectively, as they aim to detect and treat diseases that have already developed to prevent further complications.

Correct Answer: A

Rationale: Bone marrow puncture is not typically performed for analgesia purposes. It is primarily done for diagnostic or therapeutic reasons, such as obtaining a sample for testing, administering medications like antibiotics, providing anesthesia during the procedure, or treating conditions related to inflammation. Analgesia, which refers to pain relief, is not a direct therapeutic indication for bone marrow puncture.

Correct Answer: B

Rationale: Advocating for policies that promote health equity is a crucial action for community health nurses to address health disparities. While providing health education, conducting assessments, and offering free screenings are important interventions, advocating for policies that promote health equity can have a broader and more sustainable impact on reducing health disparities within communities.

Correct Answer: A

Rationale: Administering immunizations is a primary prevention strategy aimed at preventing diseases before they occur. By administering immunizations, the nurse helps individuals develop immunity against specific diseases, reducing the likelihood of them getting sick in the first place. This proactive approach aligns with primary prevention efforts to promote health and prevent illnesses.

Correct Answer: A

Rationale: A key component of the chronic care model involves implementing community health education programs. These programs are essential for supporting self-management among individuals with chronic conditions and have been shown to improve health outcomes by empowering patients with the knowledge and skills needed to manage their conditions effectively.