Registered Nurse (RN) First Assist (RNFA) - CVOR/Surgical Services - Anderson Hospital Summary of Primary Function/General Purpose of Position: A Registered Nurse First Assistant (RNFA) position who has acquired additional knowledge, technical skills, and judgement through structured, organized instruction, supervised practice, and through a current CAAHEP accredited program for surgical assisting, approved by the ABSA, NSAA, or NBSTSA.