A.8~10cm
B.11~12cm
C.16cm
D.20cm
E.25cm
[单选题]小儿1岁时食管长度大约为A.10cmB.11~12cmC.14cmD.16cmE.20~25cm
[单选题]直肠长度为A.8~10cmB.9~12cmC.12~15cmD.10~13cmE.14~16cm
[单选题]输卵管长:A.6~10cmB.7~12cmC.8~14cmD.9~16cmE.10~18cm
[单选题]新生儿食管长度是A.16cmB.14cmC.12cmD.10cmE.6cm
[单选题]正常足月妊娠脐带的平均长度是A.10cmB.20cmC.50cmD.75cmE.90cm
[单选题]脐带过短是指脐带长度少于多少A.10cmB.20cmC.30cmD.40cmE.50cm
[单选题]正常骨盆入口平面前后径平均值是A.10cmB.11cmC.12cmD.13cmE.13.5cm
[单选题]正常成人的咽部长度为 ( )A.8cmB.10cmC.12cmD.13cmE.16cm
[单选题]4岁小儿经口气管内插管,估计气管导管长度为A.10cmB.11cmC.12cmD.13cmE.14cm
[单选题]从门齿到食道入口的长度越为()。A.8cmB.10cmC.12cmD.15cmE.18cm