治疗哮喘缓解期肺气虚弱证的首选方剂是（）. ["六味地黄汤","玉屏风散","百合固金汤","定喘汤","四君子汤"]
唯一能通过胎盘的Ig是（）. ["IgG","IgM","SIgA","IgE","IgD"]
用药后不会出现畸形胎儿的时间是在受精后（） ["10天之后","15天之内","15天之后","20天之内","28天之内"]
医疗机构对确定药品召回的药品的处置方式是（） ["就地封存","就地销毁","暂停调配","退回批发企业","统一退回药库"]
瘤胃切开术腹壁切口（） ["脐中线切口","白线旁切口","侧腹壁正切口","侧腹壁斜切口","耻骨前切口"]
感染性结石的性质是（）。腹部平片不显影的结石是（）。
