every pre ganglionic involvement with both sympathetic and parasympathetic are controlled by Acth. But post ganglionic involvement of sympathetic is innervated by epinephrine where as the parasypathetic post ganglionic is innervated by acetycholine. Think of post ganglionic as effector, which is true, epineprine helps to activae sympathetic functions at the effector or post ganglionic ( Increase heart rate, blood pressure, shunting of blod away from the digestive organs and increase blood flow to the big muscles,e.t.c)
I think Chocolate bear diagram should help
adrenaline, norepineprine , epinephrine ----are all catcheloamines, they do the same function, dont let the names intimidate you, some just acts as neurotransmitters