BPSC – Combined Competitive Examination · ప్రశ్న 141
Which class of immunoglobulin is the first to be produced in response to an infection?
సమాధానం చూపించు & వివరణ
సమాధానం: (C) IgM
వివరణ
IgM appears first after exposure; IgG follows and gives long-term protection.
- (A) తప్పు
Wrong: IgG dominates later (secondary) responses.
- (B) తప్పు
Wrong: IgA protects mucosal surfaces.
- (C) సరైనది
Correct: IgM (a pentamer) is the first antibody made in a primary response.
- (D) తప్పు
Wrong: IgE is involved in allergy and parasites.