Violation
All of the following are alpha-adrenergic receptor blockers EXCEPT one. Which one is the exception?
Propranolol (Inderal)
Doxazosin (Cardura)
Phenoxybenzamine hydrochloride (Dibenzyline)
Phentolanine hydrochloride (Regitine)
Prazosin (Minipress)
Terazosrn (Hytrin)