Serum is blood plasma without_____________?
Correct answer: B. Fibrinogen
- A. Blood cells
- B. Fibrinogen
- C. Lymphocytes
- D. Plasma colloids
Explanation
Serum is the fluid left after blood has clotted, so fibrinogen has been converted to fibrin and removed with the clot. Serum still contains water, electrolytes, antibodies and many other plasma proteins.
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