First Subject: Circulatory System
Description
A blood specimen was collected into an evacuated tube containing an anticoagulant. What is the fluid portion of this blood specimen called?
a. fibrin
b. fibrinogen
c. plasma
d. serum
- If coagulation is prevented, the fluid portion of the blood specimen is called Plasma. A variety of substances function as anticoagulants in evacuated tubes and prevent coagulation of the specimen, yielding plasma.
