Correct Answer: A

Rationale: Community health nursing practiced in the public sector is specifically termed public health nursing. This specialty focuses on promoting and protecting the health of populations within a community, emphasizing preventive healthcare measures and education.

Correct Answer: C

Rationale: Tertiary prevention aims to manage and improve the quality of life of individuals already diagnosed with a disease. Physical therapy, which focuses on rehabilitation and restoring function after an injury or illness, is a prime example of tertiary prevention. It helps individuals regain mobility and independence, thereby reducing the impact of the disease and preventing further complications.

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: B

Rationale: Epidemiology is defined as the study of the distribution and determinants of health-related states or events in specified populations, as well as the application of this study to control health problems. This field focuses on identifying patterns and causes of health and disease in order to develop strategies for prevention and control.

Correct Answer: C

Rationale: In the scenario described, the presence of chest indrawing and stridor indicates respiratory distress, which requires immediate attention. Giving the first dose of antibiotics and referring urgently is the correct course of action to ensure prompt and appropriate management of the child's condition.