Nursing Pharmacology: Alpha-2 Agonists for Hypertension Treatment Nursing Pharmacology: Identifying Centrally Acting Alpha-2 Agonists for Hypertension Treatment Which medication listed below is NOT classified as a centrally acting alpha-2 agonist used for the treatment of hypertension? A. Clonidine B. Guanfacine C. Methyldopa D. Terazosin Δ