视神经孔后前轴位摄片，矢状面与台面呈() ["A．33°","B．43°","C．53°","D．63°","E．73°"]
“钡餐检查”前，一般不需要() ["A．了解病史，带上以往检查资料 ","B．清洁灌肠 ","C．不给予影响消化道功能的药物 ","D．检查前1周内不吃高密度食物、药物","E．禁食、禁水12小时"]
疑有消化道穿孔，而立位片又未见游离气体，进一步检查时应避免以下哪种检查() ["A．胃内注入少量气体后再摄立位片","B．口服碘剂检查 ","C．半小时后再复查 ","D．左侧卧数分钟后，再立位检查","E．口服稀钡检查"]
十二指肠球部溃疡龛影的显示，首选以下哪项() ["A．压迫像","B．双重像","C．充气像 ","D．卧位充盈像 ","E．立位充盈像"]
TIPS手术
角质促成剂
