血管升压素主要作用于() ["A.髓袢升支","B.近球小管","C.髓袢降支","D.远曲小管和集合管","E.输尿管"]
肝肾综合征患者血液动力学的特点是() ["肾脏血流量减少","动脉血压下降","肾脏血管阻力增加","体循环血管阻力升高","肾脏血流无变化"]
肾小管分泌H+能力加强,有助于重吸收的物质是() ["HCO-3","H20","NH3","Cl-","K+"]
男性,70岁,排尿困难10余年,一直按前列腺增生治疗。近1个月来出现终末血尿。直肠指诊:前列腺有不规则硬结节,高度怀疑前列腺癌。为明确诊断,需做下列哪项检查() ["膀胱镜检查","经会阴前列腺穿刺活检","经直肠前列腺超声检查","经腹超声引导下前列腺活检","血清前列腺特异性抗原(PSA.检查"]
能很快降低呼吸性酸中毒时CO浓度关键治疗是() ["用呼吸兴奋剂","避免使用镇静剂","供氧","改善通气和换气障碍,解除呼吸道阻塞","治疗原发病"]
感染了传染病病原体但无明显临床症状而排出病原体者称携带病原体3个月以内者称