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
All are true regarding hyper IgE syndrome except: 
Select and explain. 
A. Inheritance is as a single locus autosomal dominant trait with variable expression, B. Coarse facial features, C. Recurrent staphylococcal abscesses involving skin, lungs, D. High serum lgE with low igG, lgA and lgM
D: High serum lgE with low igG, lgA and lgM
Answer: D: High serum lgE with low igG, lgA and lgM 
Explanation: Hyper IgE syndrome or Job's syndrome:Broad nose, kyphoscoliosis, osteoporosis, and eczemaPrimary teeth erupt normally but do not deciduateRecurrent sinopulmonary and cutaneous infections which are less inflamed (cold abscesses)IgE level is increased but others like IgG, IgA, and IgM are normal(ref:Harrison's 17/e p384, 2061; 18/e p482)