A Positive Antibody Titer Indicates

Question

A positive antibody titer indicates
A) previous exposure to an antigen.
B) active infection.
C) latent disease.
D) a healthy individual.

Accepted Answer

A positive antibody titer indicates that the individual has been previously exposed to an antigen and has mounted an immune response against it. This does not necessarily mean they have active infection or latent disease, but it does mean they have some level of immunity to the antigen.