What Is the Ratio of Anticoagulant to Whole Blood in a Unit

Multiple Choice

What is the ratio of anticoagulant to whole blood in a unit of whole blood?

A) 8 mL of anticoagulant-preservative for every 100 mL of whole blood collected
B) 14 mL of anticoagulant-preservative for every 100 mL of whole blood collected
C) 22 mL of anticoagulant-preservative for every 100 mL of whole blood collected
D) 30 mL of anticoagulant-preservative for every 100 mL of whole blood collected