Which Action by the Nurse Is Most Effective to Prevent

Which action by the nurse is most effective to prevent becoming exposed to the human immune deficiency virus (HIV) ?

A) Always use Standard Precautions with all clients in the workplace.
B) Place clients who are HIV positive in Contact Precautions.
C) Wash hands before and after contact with clients who are HIV positive.
D) Convert parenteral medications to an oral form for clients who are HIV positive.