Correct Answer: C

Rationale: The correct answer is C. Exclusive breastfeeding provides complete nutrition for the first 6 months of an infant's life. It is recommended by health experts as the ideal way to provide infants with the nutrients they need for healthy growth and development. Breast milk contains all the necessary nutrients in the right proportions, making it the perfect food for babies during the first half-year of life.

Correct Answer: B

Rationale: A previous allergic reaction to the vaccine is a contraindication for the administration of live vaccines. This is because individuals who have had a previous allergic reaction to a vaccine are at higher risk of developing a severe allergic reaction with subsequent doses. It is crucial to identify and avoid administering live vaccines to individuals with a history of allergic reactions to prevent potential adverse events.

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.

Correct Answer: D

Rationale: A comprehensive antenatal care program should encompass various components to ensure the well-being of the pregnant individual and the fetus. Weight monitoring helps track healthy weight gain during pregnancy, blood pressure measurement is crucial for detecting and managing conditions like preeclampsia, and nutritional counseling supports proper nutrition and healthy development. Including all these components in antenatal care ensures a holistic approach to monitoring and promoting the health of both the mother and the baby.

Correct Answer: C

Rationale: The infant mortality rate is a crucial indicator used to assess the health status of a population. It reflects the number of deaths among infants under one year of age per 1,000 live births. A high infant mortality rate is often indicative of inadequate healthcare services, poor sanitation, and other factors that impact the overall health of a population. Therefore, monitoring and improving the infant mortality rate is essential for evaluating and addressing the health needs of a community.