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: Surgery
The amount of vasoconstrictor in 1 ml of 2% Lignocaine solution with 1:2,00,000 adrenaline is: 
Select and explain. 
A. 0.5 mg, B. 0.05 mg, C. 0.005 mg, D. 0.0005 mg
C: 0.005 mg
Answer: C: 0.005 mg 
Explanation: None