This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Arterial Disorders, Subject name: Surgery
Before surgery what is not done - 
Select and explain. 
A. Shaving, B. Draping, C. Control of blood glucose, D. Anticoagulation
D: Anticoagulation
Answer: D: Anticoagulation 
Explanation: Ans. is 'd' i.e., Anti coagulation