This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Medicine
[{'content': 'All are true about Wiskott-Aldrich syndrome except \nSelect and explain. \nA. Bloody diarrhea during infancy, B. Low IgM and elevated lgE, C. Large size platelets, D. Atopic dermatitis', 'role': 'user'}, {'content': "Answer: C \nExplanation: Wiscott-Aldrich syndrome:X-linked diseaseSmall sized platelets with bleeding manifestations Infections, eczema, and lymphoreticular malignancyLow serum IgM; normal serum IgG and IgA; IgE is frequently increased(ref:Harrison's 18/e p2702; 17/e p384, 2060)", 'role': 'assistant'}]