下述各项哪些是经鼻插管的禁忌证() ["A.腭裂","B.上颌窦癌","C.上颌骨骨折合并颅底骨折","D.下颌骨骨折","E.鼻道畸形"]
为确保控制性降压时成年病人的安全,平均动脉压应不低于()。 ["50mmHg","55mmHg","60mmHg","65mmHg","70mmHg"]
下列哪种白细胞介素可刺激T细胞生长,被称为T细胞生长因子() ["IL-1","IL-2","IL-3","IL-4","IL-5"]
以下哪项疾病最容易发生肾脏损害() ["幼年类风湿性关节炎","川崎病","风湿热","过敏性紫癜","皮肌炎"]
0.5%普鲁卡因(不含肾上腺素)行局部浸润麻醉时,一次最大剂量为()。 ["100ml","140ml","160ml","200ml","250ml"]
口外支抗矫治器组成包括()和()等。