服务有什么特点？
参考答案：服务具有无形性、不可分离性、易逝性、异质性等四大特点。
The nurse is assessing a 15-year-old female who is being admitted for treatment of anorexia nervos
a. Which of the following clinical manifestation is the nurse most likely to find from the clientA. Tachycardia.B. Coarse hair growth.C. Parotid gland tenderness.D. Warm, flushed extremities.
呕吐频繁可见于（）
A.高位梗阻
B.结肠梗阻
C.绞窄性肠梗阻
D.麻痹性肠梗阻
E.不完全性肠梗阻
