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: Physiology
The anticoagulant of choice used in the blood bank is: 
Select and explain. 
A. Calcium oxalate, B. Heparin solution, C. Acid citrate dextrose solution, D. Sodium fluoride
C: Acid citrate dextrose solution
Answer: C: Acid citrate dextrose solution 
Explanation: None