問題詳情
43.Which of the following statements about Bruton's X-linked agammaglobulinemia ar
(A) A primary immunodeficiency disease
(B) Recurrent infections with pyogenic bacteria during infancy
(C) B-cell maturation largely arrested at the pro-B-cell stage
(D) Profound B-cell deficiency
參考答案
答案:99
統計:A:0,B:1,C:0,D:0,E:0
難度:計算中