This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immunology, Subject name: Microbiology
Acute phase reaction in acute inflammation are - 
Select and explain. 
A. Albumin, B. Rfibrinogen, C. Haptoglobulin, D. Gammaglobulin
A: Albumin
Answer: A: Albumin 
Explanation: Infection or injury leads to a sudden increase in the plasma concentration of ceain proteins called acute-phase proteins. Acute phase reaction of acute inflammation albumin. REF:Textbook of microbiology, Ananthanarayan a, d Paniker. Page no.: 81