下列亚急性细菌性心内膜炎的抗生素治疗中,不对的是() ["早期应用","小剂量,长程治疗","加用小剂量氨基糖苷类抗生素,以发挥协同杀菌作用","急性者应用针对金葡菌、链球菌和革兰阴性杆菌的广谱抗菌治疗","亚急性者采用针对包括肠球菌在内的链球菌的抗生素"]
慢性肾衰竭急性发作与急性肾衰竭比较,重要的差别是() ["水肿、少尿、血尿","氮质血症","代谢性酸中毒","生长发育落后、明显贫血和肾性骨病","电解质紊乱"]
脊髓交感中枢位于:() ["C5-8侧角","C8-T1侧角","C8-T12侧角","C8-L2侧角","T2-L3侧角"]
关于肌无力综合征说法正确的是() ["约2/3的患者伴癌肿,多见小细胞肺癌","眼外肌不受累","神经症状早于肿瘤症状","常发生口干,少汗,便秘和阳痿等自主神经症状","抗胆碱酯酶药无效"]
不属于术后必需紧急施行透析的指征是() ["因容量负荷过重而引起的心力衰竭","未能纠正的严重酸中毒","经治疗无效的高钾血症","经治疗无效的低钠血症致脑水肿","血肌酐60μmol/L,血尿素氮23mmol/L"]
磁场具有抗____和促进____的双重作用。