肩关节脱位常见的血管损伤是（）。
A.肱动脉
B.腋动脉
C.旋肱前动脉
D.旋肱后动脉
E.肩胛下动脉
参考答案：B
The nurse is preparing a gastric lavage for a comatose victim of the car accident. Which of the following positions would be most appropriate for the client during this procedure
A．Trendelenburg's.
B．Lithotomy.
C．Lateral.
D．Supine.
下列选项中，不属于轮胎式摊铺机的优点的是（）
A.结构简单，造价较低
B.可自行驶转移工地
C.机动性和操作性能好
D.能有效保证摊铺平整度
