Which of the following is a Opsonin?
Ref. Robbins Pathology. 9th edition. Page. 78
 
Examples of opsonins include:

Antibodies:
	
IgG and IgA


Components of the complement system:
	
C3b, C4b, and iC3b


Mannose Binding Lectin (MBL)
Membrane Attack Complex (MAC)
C3a
C3b
C5a
LTC4