A Nurse Is Explaining Public Health Informatics to a Nursing

A nurse is explaining public health informatics to a nursing student. Which of the following statements by the nurse is correct?

A) "Public health informatics is the use of information and information technology to improve public health practice and outcomes."
B) "Public health informatics is the use of nursing informatics in public health for disease surveillance."
C) "Public health informatics helps identify the policies, standards, and guidelines for public health administrators."
D) "Public health informatics is used as a database for nursing research priorities in the public sector."