位于乙状结肠直肠连接部的是()位于降结肠乙状结肠交界处的是()位于脾曲的是() ["A．Payr～Strauss括约肌","B．Cannm括约肌","C．Bakki括约肌","D．Rossi括约肌","E．Mouttier括约肌"]
左下腹小肠是()中段回肠是()右中下腹小肠是()盆腔内小肠是() ["A．第6组小肠","B．第5组小肠","C．第4组小肠","D．第3组小肠","E．第2组小肠"]
临产18小时，宫口开大2cm()宫口开大8cm，超过2小时无进展()临产10小时，宫口开大2cm()官口开全1小时20分钟，产程无进展() ["A．正常产程","B．潜伏期延长","C．活跃期延长","D．活跃期停滞","E．第二产程停滞"]
食管上段为()食管中段为()食管下段为() ["A．内层环行肌","B．外层纵行肌","C．平滑肌","D．横纹肌","E．横纹肌与平滑肌混合"]
完全性肺静脉畸形引流可见于()大动脉炎可见于()动脉导管未闭可见于() ["A．漏斗征","B．主动脉球征","C．主动脉球缩征","D．降主动脉内收征","E．“8”字形心脏"]
可观察到肠系膜上动脉压迹的是()可观察到胰头病变的是()
