Which of the Following Would Make Up the Professional Ethics

Which of the following would make up the professional ethics of the profession of radiologic sciences?
1) State licensing board for x-ray machine operators
2) Radiography department social events
3) ARRT Code of Ethics
4) State motor vehicle rules and regulations
5) Collective bargaining rules of behavior

A) 1 and 3 only
B) 3 and 5 only
C) 1,2,4,and 5 only
D) 1 and 5 only