Answer:
Sight. You can't see behind you to protect yourself but you can hear behind you
Explanation:
The provides rules and guidelines for the medical buisnesses. so A is your answer
Assertive people would have all of these attributed except having respect for others - C.
Although even this answer perhaps couldn't be considered true because assertive people can have a positive attitude and respect towards other people it's just that in their case they respect themselves more and have a more positive view of themselves as well.
Answer:
eat less, exercise, take a great poop