What Happens When Antibodies Encounter a Foreign Blood Protein

Question

What happens when antibodies encounter a foreign blood protein?
A)Nothing in particular happens.
B)Antibodies attach to the blood protein and cause clumping of the blood.
C)Foreign blood protein lyses the antibody.
D)Antibodies phagocytize the foreign antigen.

Accepted Answer

Antibodies recognize and bind to foreign antigens, such as blood proteins from a different blood type, leading to agglutination or clumping of the blood.