新生儿复苏时室温应维持在() ["24℃","28℃","30℃","32℃","34℃"]
男性尿道最狭窄处是()。 ["尿道内口","尿道外口","尿道膜部","尿道前列腺部","尿道球部"]
如胆囊收缩功能良好,在服脂肪餐后多少时间内胆囊收缩至原大小的1/3()。 ["半小时","1小时","2小时","3小时","4小时"]
腹部CT扫描前关于口服对比剂的准备正确的是() ["常用3%泛影葡胺","扫描前50分钟口服该浓度对比剂500ml","检查前再口服300~500ml","观察肾及肾上腺则要提前60分钟口服","腹膜后腔检查则应提前3小时口服"]
防止仰卧位低血压综合征,以下措施中不恰当的是() ["预防性输液500ml","垫高产妇右髋部,使之左侧20°~30°","产妇取头高足低位","常规开放上肢静脉","产妇取左侧倾斜30°体位"]
促肾上腺皮质激素细胞(垂体前叶)()旁核(下丘脑)()甲状旁腺主细胞分泌()甲状腺滤泡旁细胞(C细胞)()视上核(下丘脑)()