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.

Correct Answer: B

Rationale: A community needs assessment is conducted to identify and prioritize the health needs of a community. It helps in planning appropriate interventions and allocating resources to address the most pressing health concerns of the community. This process is essential for developing effective public health programs and initiatives tailored to the specific needs of the population.

Correct Answer: B

Rationale: The WHO's Health For All strategy focuses on achieving a level of health that allows individuals to lead socially and economically productive lives, emphasizing overall well-being beyond just physical health. This approach aims for a holistic improvement in health outcomes rather than just providing free healthcare or focusing solely on increasing healthcare infrastructure or workforce.

Correct Answer: D

Rationale: Folic acid is a crucial nutrient required for preventing neural tube defects during pregnancy. It plays a vital role in the development of the neural tube in the fetus, reducing the risk of defects such as spina bifida and anencephaly. It is recommended that women of childbearing age consume adequate amounts of folic acid, either through diet or supplements, to support a healthy pregnancy and prevent these serious birth defects.

Correct Answer: B

Rationale: Physical inactivity is a major risk factor for cardiovascular diseases as it contributes to a sedentary lifestyle, leading to obesity, high blood pressure, and other cardiovascular issues. Regular physical activity helps maintain a healthy heart and reduces the risk of developing cardiovascular diseases.