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: 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: Tertiary prevention focuses on managing and improving the quality of life for individuals who already have a disease or condition. Physical rehabilitation programs fall under tertiary prevention as they aim to enhance functioning and reduce disability caused by ongoing illness or injury, thus aligning with the goal of tertiary prevention.

Correct Answer: C

Rationale: The correct answer is C: To prevent bleeding disorders. Newborns are born with low levels of Vitamin K, which is essential for blood clotting. Administering Vitamin K helps prevent bleeding disorders in newborns.

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.