This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anesthesia, Subject name: Pharmacology
Maximum dose of lignocaine given with adrenaline for infiltration anesthesia is 
Select and explain. 
A. 3 my /kg, B. 5mg/kg, C. 7mg/kg, D. 10 mg/kg
C: 7mg/kg
Answer: C: 7mg/kg 
Explanation: Refer Goodman Gilman 12/e p576 For normal healthy adults, the individual maximum recommended dose of lignocaine HCI with epinephrine should not exceed 7mg/kg of body weight and in general it is recommended that the maximum total dose not exceed 500mg When used without epinephrine the maximum individual dose should not exceed 4.5 mg/kg of body weight and in general it is recommended that the maximum total dose not exceed 300mg