<prompt> Shorest acting beta blocker ?EsmololNodalolAcebutololSotalol  <response>: Ans. is a i.e., Esmolol Nodalol is longest acting b-blocker. Esmolol is shoest acting b-blocker. Acebutolol possesses all activities i.e., cardioselectivity, paial agonist activity, membrane stablizing activity and lipid insolubility. 