以下哪项不是高血钾的原因() ["肾衰竭","非去极化肌松剂","输血","酸中毒","β受体阻滞剂"]
背拉力指数的计算公式是:背拉力指数=() ["拉力(kg)/体重(kg)×100%","[拉力(kg)+体重(kg)]/2×100%","[体重(kg)-拉力(kg)]/2×100%","[体重(kg)-拉力(kg)]/3×100%","[体重(kg)-拉力(kg)]×100%"]
患者有膝关节扭伤及绞锁史,最可能的诊断是() ["A.胫骨结节撕脱","B.股骨远端骨折","C.半月板损伤","D.内侧副韧带撕裂","E.前十字韧带撕裂"]
下列方法中可诱导免疫耐受的是() ["胸腺内注射供者抗原","阻断共刺激通道","应用免疫抑制剂","诱导调节性T细胞","阻断T细胞迁移"]
若是果蝇种群中,XB的基因频率为90%,Xb的基因频率为10%,雌雄果蝇数相等,理论上XbXb、XbY的基因型比例依次为() ["1%、2%","0.5%、5%","10%、10%","5%、0.5%"]
风机管路系统是指风机装置中除风机以外的全部管路及附件、()、排出装置的总和。