This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General physiology, Subject name: Physiology
Serum does not contain 
Select and explain. 
A. Fibrinogen, B. Cerruloplasmin, C. Albumin, D. Globulin
A: Fibrinogen
Answer: A: Fibrinogen 
Explanation: Serum has essentially the same composition as plasma, except that its fibrinogen and clotting factors II, V, and VIII (Table 32-5). (Ref: Ganong's review of medical physiology 23rd Edition page no.530)