<prompt> Diagnosis of x linked agammaglobulinamia should be suspected ifAbsent tonsils and no palpable lymph nodes on physical examinationFemale sexHigh iso hemagglutinin titersLow CD3  <response>: Ref Robbins 9e p240-241 Classically, this disease is characterized by the following: Absent or markedly decreased numbers of B cells in the circulation, with depressed serum levels of all classes of immunoglobulins. The numbers of pre-B cells in the bone marrow may be normal or reduced. Underdeveloped or rudimentary germinal centers in peripheral lymphoid tissues, including lymph nodes, Peyer patches, the appendix, and tonsils Absence of plasma cells throughout the body Normal T cell-mediated responses 