The correct answers are:
A) needlestick from a needle containing infected blood.
C) fluid splash to the eye.
E) blood that comes in contact with non-intact skin
Approach: if you suspect someone may need a hand, walk up, greet them and identify yourself. Help them out.
I know this is scary....
They're acknowledging the fear that the patient has and are also communicating hope by being positive.
I'm not quite sure about that sorry...