Explain the agonist-to-antagonist spectrum of action of psychopharmacologic agents. Compnursingare and contrast the actions of g couple proteins and ion gated channels. Explain the role of epigenetics in pharmacologic action. Explain how this information may impact the way you prescribe medications to clients. Include a specific example of a situation or case with a client in which the psychiatric mental health nurse practitioner must be aware of the medication’s action.