Correct Answer: B

Rationale: The primary goal of public health is to prevent disease and disability by implementing measures to protect and improve the health of communities and populations. While achieving health equity, prolonging life, and promoting health are important aspects of public health, the central focus remains on preventing diseases and disabilities through various strategies such as vaccination programs, health education, and environmental regulations.

Correct Answer: D

Rationale: All the options listed - Assessment, Policy development, and Assurance - are core functions of public health. Assessment involves collecting and analyzing data to identify health problems, Policy development focuses on creating and implementing policies to address those problems, and Assurance ensures that necessary health services are provided to the community.

Correct Answer: A

Rationale: A health deficit refers to the lack or absence of something essential for maintaining good health, in this case, regular health check-ups. Not undergoing regular health check-ups can lead to undiagnosed health issues and prevent timely interventions, resulting in a health deficit.

Correct Answer: B

Rationale: In the field health service information system, the fundamental block is the Target Client List. This list serves as the foundation for organizing and managing health service information efficiently. It helps in identifying and tracking clients, ensuring that appropriate services are provided to them, and maintaining accurate records for effective service delivery.

Correct Answer: D

Rationale: These elements of choosing an organizational structure, identifying and recruiting members, defining mission, vision, and goals, and clarifying roles and responsibilities are part of the initial stage of community organizing, which is the design and initiation stage. During this phase, the framework and groundwork for the community organizing efforts are established, setting the direction and structure for the subsequent implementation and maintenance of the program.