Plasma Contributes Approximately ________ of Whole Blood Volume

Question

Plasma contributes approximately ________ of whole blood volume.
A) 2%
B) 15%
C) 25%
D) 55%
E) 75%

Accepted Answer

Plasma contributes approximately 55% of whole blood volume. This means that out of every 100 mL of whole blood, 55 mL is plasma. The remaining 45 mL is made up of formed elements, such as red blood cells, white blood cells, and platelets.