因声源与观察者之间的相对运动,被观测到的声波频率相对声源率发生了变化叫什么效应()。
A.多普勒
B.佛莱森
C.佛劳霍夫
D.折射
E.主观效应
参考答案:A
A client has been diagnosed with type A hepatitis. What special precautions should the nurse take when caring for this client()
A. Put on a mask and gown before entering the client’s room.
B. Wear gloves and a gown when removing the client’s bedpan.
C. Prevent the droplet spread of the organism.
D. Use caution when bringing food to the client.
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