Which of these neurotransmitters is not released at sympathetic neuroeffector junctions?

Epinephrine

Epinephrine is usually produced by the two kinds the adrenal glands and certain neurons.  It plays an important role in the fight-or-flight response by increasing blood flow and also to muscles, output of the heart, pupil dilation, and blood sugar.  

Where are the phrases

It might. it might because if you think about if they discovered if we came from (lets say something funny like aliens) and thy found cells that matched and they would have t do more research about it but would most probably change their theory.