Correct Answer: B

Rationale: The correct benefit of providing Vitamin A supplements to children is reducing the risk of severe measles. Vitamin A supplementation is known to lower the risk of severe measles and its associated complications, making it an important intervention in regions where measles is prevalent.

Correct Answer: C

Rationale: Vaccination is the most effective method for preventing the spread of infectious diseases as it helps in developing immunity against specific pathogens, reducing the likelihood of infection and transmission within a population. Antibiotics are used to treat infections, not prevent their spread. Quarantine limits the contact of infected individuals but does not provide long-term prevention. Nutritional supplementation can support overall health but is not a primary method for preventing infectious diseases.

Correct Answer: C

Rationale: Poliomyelitis is the correct answer as it is one of the diseases targeted for eradication through the Expanded Program on Immunization (EPI). The EPI aims to control and eliminate vaccine-preventable diseases globally, with a specific focus on polio due to its severe consequences and the feasibility of eradication through vaccination campaigns.

Correct Answer: A

Rationale: The correct answer is A, Hepatitis B. The Hepatitis B vaccine is usually administered to newborns within the first 24 hours of birth to provide protection against Hepatitis B infection. This early vaccination helps prevent transmission of the virus from infected mothers to their babies during childbirth, reducing the risk of chronic liver disease and liver cancer later in life.

Correct Answer: B

Rationale: The Expanded Program on Immunization (EPI) is designed to ensure that all children receive routine immunizations to prevent common infectious diseases. It focuses on providing vaccinations to children to build immunity against various preventable diseases, thus contributing to public health by reducing the spread of infectious illnesses.