不属于物理镇痛的电疗法是（）。
A.直流电及药物离子导入疗法
B.交流电及药物离子导入疗法
C.低频电疗法
D.中频电疗法
E.高频电疗法
参考答案：B
The nurse is providing care for a client with multiple myeloma, a disorder characterized by episodes of remissions and exacerbations. Which of the following resources can best help the client adapt to the disease
A. The client’s family.B. Support group.C. Pastoral care.D. Hospice car
主冷液氧中乙炔和碳氢化合物含量偏高时如何操作使其含量降低？
