1. A Child is having repeated pneumonia, multiple abscesses in his skin. Culture every time yields staphylococcus Aureus. Which of the following is likely to be deficient in this child? a. IgG b. IgM c. NADPH oxidase d. Myeloperoxidase 2.

A child is having recurrent otitis media, pneumonia and pyogenic meningitis. Bacterial, Viral and Fungal agents were etiological agents over a span of time. Which disease the child is unlikely to? a. Isolated IgA Deficiency b. Di-George Syndrome c. Severe Combined Immunodeficiency d. Wiskott Aldrich Syndrome