<prompt> Which of the following is the most beta-1 selective antagonist?AcebutololAtenololMetoprololBisoprolol  <response>: Ans: D Bisoprolol Ref: Goodman Gill mans The Pharmacological Basis of Therapeutics. 2011, 12th Edition, McGraw-Hill, Burton LL P 328Explanation:Bisoprolol is highly selective beta-1 selective antagonist among the given drugsHowever nehivolol has higher beta-1 selective antagonist than bisoprololBeta-1 selective antagonist includeAcebutololAtenololBetaxololBisoprololCeliprololEsmololMetoprololNebivolol 