<prompt> Which of the following drugs can be admistered by subcutaneous nerveAlbuterolTerbutalineMetaproterenolPirbuterol  <response>: Refer Katzung 12e p344 All four drugs I. e, salbutomol, terbutaline, metaproterenol, pirbuterol are available as metered dose inhaler Salbutomol and terbutaline are also available in tablet forms Only terbutaline is available as subcutaneous injection 