A Child Suspected of Having an Inherited Humoral Immunodeficiency Disease

question 19

Multiple Choice

A child suspected of having an inherited humoral immunodeficiency disease is given a 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

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