<prompt> All are features of Wiskott Aldrich syndrome, EXCEPT:Decreased IgM levelElevated IgE levelDecreased IgA levelDecreased ratio of CD4 and CD8 cells  <response>: Ans. is c decreased IgA level Remember the Immunoglobulin level in Wiskott Aldrich syndrome IgM - Decreased IgA IgG - Remains normal IgE - Increased Both BT lymphocytes are normal in the beginning but in later stages, T cell deficiency occur Other important facts about Wiskott Aldrich syndrome It is an x-linked disease It is characterized by: Eczema Thrombocytopenia Repeated infections 