A Child Suspected of Having an Inherited Humoral Immunodeficiency Disease

Multiple Choice

A child suspected of having an inherited humoral immunodeficiency disease is given diphtheria/tetanus vaccine.Two weeks after the immunization,his level of antibody to the specific antigens is measured.Which result is expected for this patient if he does have this deficiency?

A) increased levels of specific antibody
B) no change in the level of specific antibody
C) an increase in IgG-specific antibody but not IgM-specific antibody
D) increased levels of nonspecific antibody