Correct Answer: C

Rationale: Achieving optimal health for a community involves multiple factors and indicators. For a public health nurse to begin achieving this goal, it is essential that all relevant indicators are present, not just one or a few. While choices A, B, and D are important components of promoting community health, optimal health for a community encompasses a comprehensive approach where all indicators are considered and addressed. Therefore, the correct answer is C.

Correct Answer: B

Rationale: The correct answer is B: 'Involving community members in the research process.' Community-based participatory research emphasizes the active involvement of community members in all aspects of the research process, from identifying research questions to interpreting and disseminating results. Choice A is incorrect because community-based participatory research typically takes place in real-world settings, not in laboratories. Choice C is incorrect because community-based participatory research values a mix of quantitative and qualitative data. Choice D is incorrect because community input is essential in this research approach.

Correct Answer: C

Rationale: Health activities are structured to enhance communities' autonomy and influence over their health and well-being, aiming to empower them to make informed choices and take control of their health. Choice A is incorrect as health activities encompass a broader scope beyond just preventing exposure to germs. Choice B is incorrect because spiritual factors are crucial components that should not be disregarded in healthcare. Choice D is incorrect as health activities are not solely about the community health nurse being in charge, but about empowering the community as a whole.

Correct Answer: B

Rationale: In the management of acute respiratory infection in a child, it is essential to address various aspects of care. Providing safe remedies to relieve symptoms like sore throat and cough (Choice A) helps in managing discomfort. Advising the mother to monitor for signs of pneumonia (Choice C) is crucial for early detection and intervention if complications arise. Ensuring proper nutrition (Choice D) is important for the child's overall health and immune function during illness. Therefore, all the listed interventions are appropriate in managing acute respiratory infection, making Choice B the correct answer. Choices A, C, and D are incorrect on their own as they address only specific aspects of care and not the comprehensive management of acute respiratory infection.

Correct Answer: D

Rationale: Physical inactivity is a modifiable risk factor for chronic diseases because individuals have control over their level of physical activity. By increasing physical activity, the risk of chronic diseases can be reduced. Choices A, B, and C are not modifiable risk factors: Age is a non-modifiable factor, gender is a biological characteristic, and genetic predisposition is inherent and cannot be altered.