Correct Answer: D

Rationale: To describe the sex composition of the population, both the sex ratio and sex proportion can be utilized. The sex ratio provides a numerical comparison of the number of males to females in a population, while the sex proportion expresses the relative number or percentage of males and females in a given population. On the other hand, a population pyramid is a graphical representation that shows the age and sex distribution of a population. Therefore, any of these tools may be used to analyze and present the sex composition of a population.

Correct Answer: C

Rationale: The principle of freedom of choice in family planning programs emphasizes providing couples with adequate information about the different methods available. This enables them to make informed decisions based on their preferences and needs. By ensuring couples have access to comprehensive information, they can freely choose the family planning method that best suits their circumstances, promoting autonomy and informed decision-making.

Correct Answer: D

Rationale: Lagundi is a medical herb commonly used to alleviate symptoms of fever, headache, and cough. Sambong is known for its diuretic properties, Tsaang gubat is used to relieve diarrhea, and Akapulko is valued for its antifungal properties, making Lagundi the correct choice for addressing fever, headache, and cough symptoms.

Correct Answer: B

Rationale: The vastus lateralis muscle (located in the thigh) is the recommended site for the administration of the DPT vaccine in infants and young children. This muscle is preferred due to its large muscle mass and lower risk of nerve or blood vessel injury, making it a safe and effective site for vaccine administration.

Correct Answer: A

Rationale: The correct answer is 'A: Tally report.' A tally report is completed monthly or quarterly by the Rural Health Unit (RHU) personnel and then sent to the Provincial Health Office for further processing and analysis.