以下除哪种造影外，都能了解胆管结构() ["A．PTC ","B．IVU ","C．ERCP ","D．术中胆道造影","E．T型管造影"]
将局麻药注入蛛网膜下腔，作用于脊神经根而使相应部位产生麻醉的方法称为________。
疑似“胆总管结石”，应首选() ["A．ERCP ","B．低张十二指肠造影 ","C．肠系膜上动脉造影 ","D．口服胆囊造影 ","E．腹部平片"]
特异性感染是指________、________、________等所引起的感染。
疑有“急性膀胱炎”时，应避免以下哪种检查() ["A．逆行插管膀胱造影 ","B．尿常规检查 ","C．骨盆区平片","D．CT","E．顺行膀胱造影"]
乳头溢液应做________、________、________、________、_______检查。
