<prompt> Adrenaline is added to Lignocaine injection for: March 2007Less bleeding at the siteHigher doses can be givenProlonged duration of actionAll of the above  <response>: Ans. D: All of the above Adrenaline is a local vasoconstrictor, so using adrenaline only with sho acting agents such as Lignocaine has advantages, like: Less bleeding at the site local infiltration. Less systemic absorption, and consequently lower toxicity and possibility of giving a higher dose. Prolonged duration of action. 