试题详情

使用止血带止血时,应注意(  )

A 扎止血带时间不宜>2h,每30min松带一次,间歇30s~lmin

B 扎止血带时间不宜>1h,每30min松带一次,间歇30s~lmin

C 扎止血带时间不宜>lh,每30min松带一次,间歇30min~lh

D 扎止血带时间不宜>30min,每1h松带一次,间歇30s~lmin

E 扎止血带时间不宜>2h,每1h松带一次,间歇30s~lmin