<prompt> Anti-Adrenergic drug which crosses the bloodbrain barrier minimally is -PropranololAtenololOxprenololAlprenolol  <response>: Ans. is b i.e., Atenolol Atenolol is a lipid insoluble 13-blocker. Lipid insolubile drugs have following features ? o Do not cross Blood Brain Barrier and therefore produce no CNS effects. o Have good renal excretion o Have no membrane stabilizing activity o Are incompletely absorbed orally o Are long acting o Are effective in narrow dose range 