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
A patient selected for surgery was induced with Thiopentone iv through one of anti cubital vein complains of severe pain of whole hand. The next line of management 
Select and explain. 
A. Give IV propofol through same needle, B. IV ketamine through same needle, C. IV lignocaine through same needle, D. Leave it done
C: IV lignocaine through same needle
Answer: C: IV lignocaine through same needle 
Explanation: C i.e. IV lignocaine through same needle