下列不是单克隆免疫球蛋白增高的常见原因的是（）
A.多发性骨髓瘤
B.原发性巨球蛋白血症
C.重链病
D.自身免疫性疾病
E.淋巴瘤
参考答案：D
The nurse is evaluating the effectiveness of airway suctioning. Which of the following outcome criteria is most appropriate
A. Respirations unlabored.B. Decreased mucus production.C. Hollow sound on chest percussion.D. Breath sounds clear on auscultation.
北朝贾思勰提出了“食为政首”的理念指什么？
