林林弟弟，9个月。因发热、咳嗽、气促3天，加重1天后入院，体温39．5℃，脉搏150次／min，呼吸50次／min，口周发绀，两肺可闻及中细湿啰音，诊断为"肺炎"

应立即采取的护理措施是（）。

A.取舒适的平卧位

B.调节适宜的病室湿度

C.进行物理降温

D.进行超声雾化吸入

E.翻身、拍背、吸痰

The function of the bypass valve on the self-contained breathing apparatus is to（）.

A.control the pressure of the oxygen as it enters the body

B.allow the wearer to manually give himself oxygen

C.release excess heat which would otherwise cause the bottle to explode

D.allow exhaled gases to pass outside the bottle