All of the following are the actions of beta blockers in heart failure except:: (A) Decrease mortality, (B) Antagonism of vasoconstriction, (C) Prevent pathological remodeling, (D) Prevent cardiac arrhythmias
Answer is B. Ans. B. Antagonism of vasoconstrictionBeta blockers actually cause vasoconstriction via antagonizing the vasodilation caused by beta 2 receptor. Rest all are the pharmacological actions of beta blockers.