Correct Answer: A

Rationale: Since each rural health midwife is typically assigned a population of about 5,000, with the municipality's total population being 20,000, the existing 3 midwives can cover the current population adequately. Therefore, the RHU would not need any more midwife positions, making option A, '1', the correct answer.

Correct Answer: A

Rationale: During the investigation of an epidemic, establishing the epidemic involves comparing the current frequency of the disease with the typical frequency for that time of year in the community. This comparison helps determine whether an epidemic is occurring by assessing if the number of cases exceeds the expected baseline, as well as establishing the link between the cases of the disease.

Correct Answer: B

Rationale: Conducting a home visit provides an opportunity to conduct a firsthand appraisal of the home situation. This allows healthcare professionals to observe the living conditions, identify potential health hazards, and tailor care plans to the individual's environment. It helps in gaining a better understanding of the patient's lifestyle, social support, and resources available at home, leading to more personalized and effective care.

Correct Answer: B

Rationale: Efficiency is the correct answer because it assesses whether the desired outcomes were achieved with the least amount of resources expended. In the context of Ligtas Tigdas, evaluating efficiency would involve determining if the program goals were met in a cost-effective manner, optimizing the use of resources to achieve the best results.

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.