妊娠期子宫的变化，下列哪项判断是错误的
A．宫体逐渐变大变软，子宫增大以前后为最明显
B．子宫肌壁逐渐增厚直至孕末
C．妊娠晚期子宫大多有不同程度的右旋
D．子宫动脉由非孕时屈曲至妊娠足月时变直
E．足月妊娠时，子宫下段可伸展至7～10cm
参考答案：B
解析：[解题思路] 子宫肌壁厚度在非孕时约为1cm，至孕中期逐渐增厚达2.0～2.5cm，至孕末期又渐薄。
根据对话情景和内容，从对话后所给的选项中选出能填入每一空白处的最佳选项,选项中有两个为多余选项。
B: Good morning! 小题1: . A: I don’t feel very well. I coughed almost the whole night. B: Sorry to hear that. 小题2: . A: Since yesterday afternoon. B: Have you taken your temperature? A: Yes, I have. 小题3: . B: Nothing serious. 小题4: . Take the medicine, then have a good rest. You’ll be all right. A: 小题5: . B: Don’t worry. I can help you with your lessons this evening. A: Thank you. B: You’re welcome. |