If you are anything like me, grasping the nervous system didn't come naturally.Sympathetic vs Parasympathetic, CNS vs PNS . . . it was all pretty confusing to me.This week's cheatsheet helps to clarify the nervous system and nervous system pharmacology.One thing that really helped me keep it all straight was understanding epinephrine . . . another name for epinephrine is adrenaline.The sympathetic nervous system uses adrenergic receptors . . . adrenergic sounds so much like adrenaline and we all know that adrenaline makes us excited and anxious.By using this little trick I am able to keep it straight that our Fight-or-Flight (Sympathetic Nervous) system uses adrenergic receptors.Today's cheatsheet will help to illustrate that and provide you with some guidance on pharmacology.