膀胱外翻术后减少切口裂开的最有效手段是()
A.切口分层缝合
B.减张缝合
C.应用血供好的皮瓣修复缺损
D.术后良好制动
E.围术期应用抗菌药物预防感染
参考答案:C
—Is there anything I can do for you?
—There seems to have been a technical problem—______,that’s what they told me.
A.somewhat
B.somehow
C.someway
D.anyway
通过观察直接动脉测压波形可获得的信息是()
A.左心室收缩的相对强度
B.估计每搏量
C.估计体循环阻力
D.心率
E.以上都是