Drug with membrane stabilizing activity is?: (A) Nadolol, (B) Atenolol, (C) Carvedilol, (D) Oxprenolol
Answer is D. ANSWER: (D) OxprenololREF: KDT 6 th edition page 140Membrane stabilizing activity (in propanolol, oxprenolol, acebutolol). This activity is claimed to contribute to the antiarrhythmic action, but appears to be significant only at high doses