Correct Answer: A

Rationale: Antenatal care plays a crucial role in the early detection and management of pregnancy complications, allowing healthcare providers to intervene promptly and improve outcomes for both the mother and the baby. Monitoring for potential issues during antenatal care visits can help identify problems such as gestational hypertension, gestational diabetes, or fetal growth restrictions early on, enabling timely interventions to prevent complications.

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: 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: B

Rationale: The recommended time for introducing solid foods into an infant's diet is around 6 months of age. Introducing solids too early can increase the risk of food allergies and digestive issues, while waiting too long may lead to nutritional deficiencies. By around 6 months, most infants have the necessary physical and developmental skills to start eating solid foods alongside breast milk or formula.

Correct Answer: B

Rationale: A population pyramid is a graphical illustration that shows the age and sex composition of a population. It displays the percentage or number of individuals in different age groups and gender categories. This tool helps in understanding the demographic structure of a population, including aspects such as birth rates, death rates, life expectancy, and dependency ratios.