which nutrient is most critical for preventing neural tube defects during pregnancy
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1. Which nutrient is most critical for preventing neural tube defects during pregnancy?

Correct answer: C

Rationale: Folic acid is the most critical nutrient for preventing neural tube defects during pregnancy. Neural tube defects are serious birth defects of the brain and spinal cord. Adequate intake of folic acid before and during early pregnancy can significantly reduce the risk of these defects. Iron, calcium, and vitamin D are important nutrients during pregnancy for other reasons, such as supporting the increased demands on the body for blood production, bone health, and calcium absorption, respectively.

2. At what age is the first dose of the MMR vaccine typically administered to a child?

Correct answer: C

Rationale: The first dose of the MMR vaccine is typically administered to a child at 12 months of age to provide protection against measles, mumps, and rubella. Administering the vaccine at this age ensures that the child's immune system is developed enough to generate a protective response to the vaccine.

3. Civil registries are important sources of data. Which law requires registration of births within 30 days from the occurrence of the birth?

Correct answer: A

Rationale: Presidential Decree (P.D.) 651 amended Republic Act (R.A.) 3753, specifically requiring the registration of births within 30 days from their occurrence. This amendment emphasizes the timely and accurate recording of vital statistics, which is crucial for legal and administrative purposes.

4. When educating a mother about the benefits of breastfeeding, what should be included?

Correct answer: B

Rationale: Breastfeeding provides passive immunity to the infant by transferring antibodies from the mother to protect the infant from infections and illnesses. This is one of the key benefits of breastfeeding, as it helps boost the baby's immune system during the early stages of life.

5. What is the legal basis of the Primary Health Care approach in the Philippines?

Correct answer: B

Rationale: The correct answer is B, the Letter of Instruction No. 949. This instruction was issued by then President Ferdinand Marcos, directing the Ministry of Health (now the Department of Health) to utilize the Primary Health Care approach in planning and implementing health programs. This legal basis established the foundation for implementing Primary Health Care in the Philippines, aligning with the global Alma Ata Declaration's principles.

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