高频闭锁距离保护
参考答案:
利用距离保护的启动元件和距离方向元件控制收发信机发出高频闭锁信号,闭锁两侧保护的原理构成的高频保护。
When caring for a client during the second stage of labor, which action would be least appropriate
A. Assisting the client with pushing.B. Ensuring the client’s legs are positioned appropriately.C. Allowing the client clear liquids.D. Monitoring the fetal heart rat
子宫的解剖,下列哪一项是错误的()
A.子宫壁由浆膜层、肌层构成
B.子宫壁由浆膜层、肌层、内膜构成
C.子宫动脉主干沿途发出弓状动脉
D.绝经后妇女子宫内膜厚度一般不超过4mm
E.子宫位于骨盆中央,呈倒置的梨形