Correct Answer: B

Rationale: The correct answer is B. Providing technical guidance to the midwife is a key supervisory function of the public health nurse. This guidance helps the midwife in delivering care to clients effectively, especially in adhering to management guidelines such as those in Integrated Management of Childhood Illness. While options A, C, and D involve various aspects of support and collaboration, providing technical guidance aligns directly with the supervisory role of ensuring quality and consistency in the care provided by midwives.

Correct Answer: A

Rationale: Isolating a child with measles is considered a primary prevention measure. Primary prevention aims to prevent the disease from occurring by intervening before exposure to the causative agent. Isolating the child helps to contain the spread of the disease and protect those who are not already sick. This strategy falls under the realm of specific disease prevention, which is a key aspect of primary prevention.

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.

Correct Answer: B

Rationale: In the context of family nursing, when a family member like the youngest child is diagnosed with mental retardation, it represents a health deficit. A health deficit occurs when a family member fails to develop as expected, as in the case of mental retardation. This classification helps nurses identify and address the specific health needs of the family.

Correct Answer: B

Rationale: Cyclical variation best describes the periodic fluctuation in the number of Dengue fever cases in the community, typically increasing towards the end of the rainy season and then decreasing during drier periods. This pattern suggests a recurring cycle rather than a sudden outbreak (epidemic), random occurrence (sporadic), or gradual long-term change (secular occurrence).