Use the following information as background for the next few questions. Immunodeficiencies can be genetic in origin, and two examples are Bruton's agammaglobulinemia, an X-linked disorder, and DiGeorge syndrome, caused by a deletion from chromosome 22. Bruton's disorder results in underdeveloped B cells, whereas DiGeorge syndrome results in a missing or seriously underdeveloped thymus. -Select the description that likely indicates a child with Bruton's disease.
A) baby girl Denise, with low level of antibody response to streptococcal infection B) baby boy John, with immature T cells, missing CD4 receptors C) baby boy Jeff, with no plasma cells following infection by bacterial pneumonia D) baby girl Susan, with no evidence of a thymus gland E) baby boy Matt, with very low circulating antigens