Correct Answer: D

Rationale: In person-to-person propagated epidemics, there is typically a gradual build-up of cases before the epidemic becomes easily noticeable. This slow onset allows for the disease to spread from one individual to another, leading to a progressive increase in cases over time.

Correct Answer: D

Rationale: Dr. Margaret Shetland emphasized that the philosophy of public health nursing is rooted in the belief in the worth and dignity of every individual. This principle underscores the core values of public health nursing, focusing on respect for human life and the promotion of health for all individuals, regardless of their background or circumstances.

Correct Answer: B

Rationale: In community-based practice, healthcare providers deliver care to individuals in their natural environments, such as homes, schools, and workplaces. Conducting community diagnosis allows nurses to assess the specific needs and problems within the community, enabling them to tailor their services effectively and address the identified health concerns.

Correct Answer: C

Rationale: During an epidemic, nurses play a crucial role in participating in epidemiologic investigations to identify the source of the outbreak. By investigating the source of the epidemic, nurses can help in understanding what caused the outbreak and how it can be controlled and prevented in the future. This function is essential in managing and responding effectively to epidemics.

Correct Answer: B

Rationale: Analytical epidemiology focuses on studying factors or determinants that affect the patterns of disease occurrence and distribution in a community. In this scenario, the nurse is analyzing various factors contributing to the high mortality rate due to heart diseases, which aligns with the principles of analytical epidemiology.