Clonidine is an adrenergic agonist that is used to treat hypertension. What is the rationale for this use?
-Clonidine stimulates release of dobutamine from nerve axons
-Clonidine blocks release of dobutamine from nerve axons
-Clonidine stimulates release of norepinephrine from nerve axons
-Clonidine blocks release of norepinephrine from nerve axons
