发生于视神经外的肌锥内肿瘤，最常见的是（）
A.横纹肌肉瘤
B.视神经鞘瘤
C.海绵状血管瘤
D.淋巴瘤
E.视神经脑膜瘤
参考答案：C
The nurse is caring for a client admitted to the hospital with a bowel obstruction. The nurse should wear sterile gloves when （）.
A．inserting an indwelling urinary catheter.
B．giving a back rub on intact skin.
C．changing an oxygen system.
D．inserting an IV catheter.
选煤厂通用作业中，如何进行交接设备检查和记录？
