Which of the Following Behaviors Serves as an Example of the Nurse

Which of the following behaviors serves as an example of the nurse directly upholding the American Nurses Association's (ANA's) Code of Ethics for Nurses?

A) The nursing union develops a safe patient-to-nurse ratio.
B) The nurse joins a professional specialty organization.
C) The nurse maintains sterile technique during procedures.
D) The nurse develops a plan of care for a community-wide illness.