This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Unknown
[{'content': 'All are features of Wiskott Aldrich syndrome, EXCEPT: \nSelect and explain. \nA. Decreased IgM level, B. Elevated IgE level, C. Decreased IgA level, D. Decreased ratio of CD4 and CD8 cells', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' decreased IgA level Remember the Immunoglobulin level in Wiskott Aldrich syndrome IgM *- Decreased* IgA & IgG - Remains normal* IgE - Increased* Both B&T 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*", 'role': 'assistant'}]