A.一般霧化時(shí)間15-20min B.水深須浸沒(méi)罐底部之透聲膜 C.水槽和霧化罐可加溫水或熱水,水槽無(wú)水時(shí)不可開(kāi)機(jī) D.指導(dǎo)患者有痰要吐出,必要時(shí)協(xié)助排痰
A.5s B.10s C.15s D.20s
A.3-4h B.4-6h C.6-8h D.8-10h