Correct Answer: A

Rationale: Hepatitis A is a waterborne disease caused by a virus that can be transmitted through contaminated water or food. Ingestion of even microscopic amounts of fecal matter from an infected person can lead to infection. It is important to practice good hygiene and ensure water sources are clean to prevent the spread of Hepatitis A.

Correct Answer: B

Rationale: When a child is found to have a fever on the day of immunization, it is recommended to delay the immunization until the fever subsides. This is important to ensure the child's safety and the vaccine's effectiveness. Administering the vaccine with a fever can potentially worsen the child's condition and reduce the vaccine's ability to generate an appropriate immune response.

Correct Answer: B

Rationale: The primary benefit of administering Vitamin A to children is to boost the immune system. Vitamin A supplementation is crucial for maintaining a strong immune system and preventing complications such as blindness in children.

Correct Answer: B

Rationale: Vaccination is a preventive measure used in public health to protect against infectious diseases by stimulating the immune system to develop immunity without causing the disease. It helps prevent the spread of infectious diseases within communities and is a cost-effective way to reduce the burden of illnesses.

Correct Answer: C

Rationale: Ensuring skilled attendance at birth is a crucial component of the Safe Motherhood Initiative aimed at reducing maternal and neonatal mortality rates. By having skilled professionals attend births, complications can be identified early and appropriate care provided promptly, contributing to improved maternal and neonatal health outcomes.