Correct Answer: D

Rationale: The classic definition of public health is focused on the science and art of preventing disease, prolonging life, and promoting health through organized community efforts. This definition emphasizes the importance of community-based interventions to improve public health outcomes such as sanitation, disease control, and health education. Public health aims to address the health needs of populations rather than just individuals, highlighting the collective approach to enhancing the well-being of communities.

Correct Answer: B

Rationale: The correct answer is B - Tertiary level of care. Tertiary level of care is the highest level of care and serves as a referral center for primary health facilities, handling complex cases and providing specialized services that primary care facilities may not offer.

Correct Answer: D

Rationale: James' illness can be classified as 'No pneumonia' because there are no general danger signs present, and his breathing rate is normal, indicating the absence of pneumonia.

Correct Answer: B

Rationale: PD 996 is the legislation that is known as Primary Health Care. It is essential for healthcare providers and students to understand the correct reference for Primary Health Care to ensure proper compliance and understanding of related regulations.

Correct Answer: B

Rationale: The correct answer is B. Community health nurses play a crucial role in conducting health education and community organizing activities within the community. They focus on promoting health, preventing diseases, and improving the overall well-being of the community members by organizing educational programs and initiatives. While they may be involved in coordinating care to some extent, their primary focus lies in health education and community outreach.