This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anaesthesia
Maximum dose of lignocaine with adrenaline (in mg/kg) 
Select and explain. 
A. 4, B. 5, C. 7, D. 10
C: 7
Answer: C: 7 
Explanation: Maximum safe dose of plain lidocaine - 300 mg (4.5 mg/kg)Maximum safe dose of lidocaine with epinephrine- 500 mg (7mg/kg)(Refer: Morgan and Mikhail's Clinical Anaesthesiology, 5th edition, pg no. 754, 856)