This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Preoperative assessment and monitoring in anaesthesia, Subject name: Anaesthesia
Vasponstricator L.A. is 
Select and explain. 
A. Cocaine, B. Procaine, C. Lidocaine, D. Chlorprocain
A: Cocaine
Answer: A: Cocaine 
Explanation: All local anaesthetics are vasodilators except cociane which is a vasoconstrictor