Half life of IgG is: (A) 1-5 days, (B) 2-8 days, (C) 6 days, (D) 20-23 days
Answer is D. Half-life of different immunoglobulins –
IgG - About 22 to 25 days
IgA - About 6 to 8 days
IgM - About 5 days
IgE - About 2 to 8 days
IgD - About 3 days