<prompt> 3 ml of LA solution contains 2 lignocaine with 1:100000 epinephrine how many milligrams of each are present in the solution?6mg lidocaine, 0.3mg epinephrine60 mg lidocaine, 0.03 mg epinephrine6 mg lidocaine, 0.03 mg epinephrine600 mg lidocaine, 0.3 mg epinephrine  <response>: Learn the following facts, and you can solve all numerical of LA. per cent--cent means 100 means g100ml, so 2 lignocaine means 2g100ml, or 2000mg100ml of solution 20mgml.1 cartridge contains around 2 ml solution. Thus, 3 ml contains 60mg lidocaine. 1 in 1 lakh adrenaline means 1g in 1 lakh ml or 1000mg Adr in 1,00,000 ml solution 1000100000 0.01mgmlThus, 3ml contains 0.03mg adrenaline.To know:Safe dose of LA with or without Adr 7mgkg body weight.Safe dose of Adr in healthy patient 0.2 mgSafe dose of Adr in cardiac patient 0.04 mg 