孩子感冒发烧,有经验的妈妈经常会将耳朵贴在孩子的后背,听了又听,来判断气管是否发炎感染,这是利用了声音可由[ ]
A.固体传播
B.液体传播
C.气体传播
D.真空传播
答案:A
In caring for the client with hepatitis B, which of the following situations would most likely expose the nurse to the virus
A. Contact with fecal material.B. A blood splash into the nurse’s eyes.C. Disposing of syringes and needles without recapping.D. Touching the client’s arm with ungloved hands while taking blood pressur
附着式升降脚手架首次安装完毕检查时,属于一般项目的是()
A.架体构造尺寸
B.防坠落装置
C.保护措施