This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anaesthesia
What is the maximum dose of lignocaine which can be given with adrenaline for ocular blocks? 
Select and explain. 
A. 2 mg/kg, B. 3 mg/kg, C. 5 mg/kg, D. 7mg/kg
D: 7mg/kg
Answer: D: 7mg/kg 
Explanation: In the injectable form, maximum dose of lignocaine which can be given alone is 5mg/kg. When combined with epinephrine 1: 200,000, maximum dose which can be used is 7mg/kg. Maximum dose of topical lidocaine is 4.5mg/kg upto 300mg.